/* ============================================================
   学术检测服务平台 · 全站共享样式
   视觉体系：学术蓝(#075bf9) + 深藏蓝(#053a8f) + 暖金点缀(#f0a020) 学术权威风
   字体：Noto Serif SC(标题) + Noto Sans SC(正文)
   ============================================================ */

/* ===== Reset & Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;color:#2c3e50;background:#fff;line-height:1.7;font-size:16.5px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:all .25s}
ul,ol{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:inherit;font-size:inherit;color:inherit}
input,textarea,select{font-family:inherit}
h1,h2,h3,h4,h5{font-family:inherit;font-weight:700;line-height:1.35;}
:root{
  --navy:#053a8f;--navy2:#075bf9;--blue:#075bf9;--blue2:#3f7dff;--blue-l:#e8f1ff;
  --gold:#f0a020;--gold2:#e0900e;--gold-l:#fef3e2;
  --text:#1f2d40;--text-gray:#5a6b7f;--text-light:#8a97a8;
  --border:#dbe7fb;--bg:#f5f8ff;--bg-card:#edf3ff;
  --radius:8px;--shadow:0 3px 14px rgba(7,91,249,.08);--shadow-lg:0 10px 34px rgba(7,91,249,.14);
  --t:.3s cubic-bezier(.4,0,.2,1);
}
.container{max-width:1440px;margin:0 auto;padding:0 24px}

/* ===== Topbar ===== */
.topbar{background:#2172f9;color:rgba(255,255,255,.72);font-size:14px;padding:7px 0}
.topbar .container{display:flex;justify-content:space-between;align-items:center}
.topbar-left{display:flex;align-items:center;gap:6px}.topbar-left img, .topbar-left svg{width:13px; height:13px}
.topbar-right{display:flex;gap:18px}
.topbar-right a:hover{color:var(--gold)}

/* ===== Header ===== */
.header{background:rgb(50 125 250);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:1000}
.header .container{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:12px}
.logo-mark{width:42px;height:42px;background:linear-gradient(135deg,var(--navy),var(--navy2));border-radius:9px;display:flex;align-items:center;justify-content:center;position:relative}.logo-mark img, .logo-mark svg{width:24px; height:24px}
.logo-text .logo-name{font-size:20.5px;color:#393a3d;font-weight:900;letter-spacing:.5px}
.logo-text p{font-size:12px;color:var(--text-light);letter-spacing:2px;text-transform:uppercase}
.nav{display:flex;align-items:center;gap:2px}
.nav-item>a{padding:10px 14px;font-size:16px;color:#fff;font-weight:500;border-radius:6px;display:block;position:relative}
.nav-item>a:hover,.nav-item.active>a{color:var(--blue);background:var(--blue-l)}
.nav-item.active>a::after{content:'';position:absolute;bottom:-1px;left:50%;transform:translateX(-50%);width:24px;height:2px;background:var(--blue);border-radius:2px}
.header-actions{display:flex;gap:10px;align-items:center}
.btn-outline{padding:8px 20px;border:1.5px solid #fff;color:#fff;border-radius:6px;font-size:15px;font-weight:500}
.btn-outline:hover{border-color:var(--blue);color:var(--blue)}
.btn-primary{padding:8px 22px;background:linear-gradient(135deg, #fe4d6d, #e97b1a);color:#fff;border-radius:6px;font-size:15px;font-weight:500;box-shadow:0 2px 8px rgba(15,44,92,.2)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 14px rgba(15,44,92,.3)}
/* 移动端汉堡菜单 */
.nav-toggle{display:none;width:40px;height:40px;border-radius:6px;align-items:center;justify-content:center;flex-direction:column;gap:5px;background:var(--bg);cursor:pointer}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--navy);border-radius:2px;transition:all .25s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-nav{display:none;position:fixed;top:72px;left:0;right:0;bottom:0;background:#fff;z-index:999;overflow-y:auto;padding:16px 24px 40px}
.mobile-nav.open{display:block}
.mobile-nav .mn-item{display:block;padding:15px 6px;font-size:17.5px;color:var(--text);font-weight:500;border-bottom:1px solid var(--bg)}
.mobile-nav .mn-item.active{color:var(--blue)}
.mobile-nav .mn-item:hover{color:var(--blue)}

/* ===== Hero（首页大屏） ===== */
.hero{position:relative;background:linear-gradient(160deg,#052c78 0%,var(--navy) 45%,#0842a8 75%,var(--navy2) 100%);padding:72px 0 96px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,42,110,.65),rgba(5,42,110,.50) 55%,rgba(5,42,110,.70)),url('../images/home.jpg') no-repeat center bottom / cover;opacity:.95;pointer-events:none;z-index:0}
.hero::before{content:'';position:absolute;top:-200px;right:-100px;width:600px;height:600px;background:radial-gradient(circle,rgba(63,125,255,.10),transparent 65%);border-radius:50%;z-index:0}
.hero::after{content:'';position:absolute;bottom:-150px;left:-100px;width:500px;height:500px;background:radial-gradient(circle,rgba(63,125,255,.12),transparent 65%);border-radius:50%;z-index:0}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:48px 48px;pointer-events:none;z-index:1}
.hero-content{position:relative;z-index:2;text-align:center;max-width:1280px;margin:0 auto}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 18px;background:rgba(63,125,255,.14);border:1px solid rgba(63,125,255,.35);border-radius:20px;font-size:15px;color:#bcd7ff;margin-bottom:24px}.hero-badge img, .hero-badge svg{width:14px; height:14px}
.hero h1,.hero h2{font-size:44px;color:#fff;font-weight:900;margin-bottom:16px;letter-spacing:1px;line-height:1.3}
.hero h2 em{font-style:normal;color:#bcd7ff}
.hero-sub{font-size:17.5px;color:rgba(255,255,255,.6);margin-bottom:36px;line-height:1.8}
.hero-search{background:#fff;border-radius:12px;padding:8px;max-width:720px;margin:0 auto;box-shadow:0 20px 60px rgba(0,0,0,.3);display:flex;align-items:center;position:relative;z-index:20}
.hero-search-box{position:relative;flex:1;display:flex;align-items:center;min-width:0}
.hero-search-box .search-ico{width:20px;height:20px;fill:var(--text-light);margin-left:14px;flex-shrink:0}
.hero-search input{flex:1;min-width:0;padding:14px 14px;border:none;font-size:16.5px;outline:none;background:transparent}
.hero-search input::placeholder{color:var(--text-light)}
.hero-search-btn{padding:14px 32px;background:linear-gradient(135deg,var(--gold),var(--gold2));color:#fff;font-size:16.5px;font-weight:600;border-radius:7px;display:flex;align-items:center;gap:8px;transition:all .25s;white-space:nowrap;flex-shrink:0}
.hero-search-btn:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(63,125,255,.4)}.hero-search-btn img, .hero-search-btn svg{width:18px; height:18px}
/* 智能搜索建议 */
.search-suggest{position:absolute;top:calc(100% + 12px);left:-8px;right:-8px;background:#fff;border-radius:12px;box-shadow:0 18px 48px rgba(7,91,249,.18);overflow:hidden;display:none;z-index:100;text-align:left;max-height:360px;overflow-y:auto}
.search-suggest.show{display:block}
.suggest-group{padding:8px 16px;font-size:14px;color:var(--text-light);background:var(--bg);font-weight:600;letter-spacing:.5px}
.suggest-item{display:flex;align-items:center;gap:10px;padding:10px 16px;font-size:15.5px;color:var(--text);cursor:pointer;transition:background .15s}
.suggest-item:hover,.suggest-item.active{background:var(--blue-l)}
.suggest-item .s-ico{width:30px;height:30px;border-radius:8px;background:var(--blue-l);display:flex;align-items:center;justify-content:center;flex-shrink:0}.suggest-item .s-ico img, .suggest-item .s-ico svg, .s-ico svg{width:16px; height:16px}
.suggest-item .s-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.suggest-item .s-tag{margin-left:auto;font-size:12.5px;color:var(--blue);background:var(--blue-l);padding:2px 10px;border-radius:10px;flex-shrink:0;white-space:nowrap}
.suggest-empty{padding:24px;text-align:center;color:var(--text-light);font-size:15px}
.hero-tags{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tag{padding:6px 16px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.30);border-radius:20px;font-size:15.5px;color:#fff;cursor:pointer;transition:all .25s}
.hero-tag:hover{background:rgba(63,125,255,.16);border-color:rgba(63,125,255,.45);color:#bcd7ff}

/* ===== 页面头部（栏目页/列表页/详情页通用） ===== */
.page-hero{position:relative;background:linear-gradient(160deg,#052c78 0%,var(--navy) 45%,#0842a8 75%,var(--navy2) 100%);padding:52px 0 60px;overflow:hidden}
/* 各栏目页 hero 主题底图 */
.ph-check{background:linear-gradient(165deg,rgba(5,42,110,.90) 0%,rgba(5,42,110,.72) 45%,rgba(5,42,110,.48) 100%),url('../images/check.jpg') no-repeat center bottom / cover}
.ph-aigc{background:linear-gradient(165deg,rgba(5,42,110,.90) 0%,rgba(5,42,110,.72) 45%,rgba(5,42,110,.48) 100%),url('../images/aigc.jpg') no-repeat center bottom / cover}
.ph-air{background:linear-gradient(165deg,rgba(5,42,110,.90) 0%,rgba(5,42,110,.72) 45%,rgba(5,42,110,.48) 100%),url('../images/ai-review.jpg') no-repeat center bottom / cover}
.ph-english{background:linear-gradient(165deg,rgba(5,42,110,.90) 0%,rgba(5,42,110,.72) 45%,rgba(5,42,110,.48) 100%),url('../images/english.jpg') no-repeat center bottom / cover}
.ph-journal{background:linear-gradient(165deg,rgba(5,42,110,.90) 0%,rgba(5,42,110,.72) 45%,rgba(5,42,110,.48) 100%),url('../images/journal.jpg') no-repeat center bottom / cover}
.ph-reduce{background:linear-gradient(165deg,rgba(5,42,110,.90) 0%,rgba(5,42,110,.72) 45%,rgba(5,42,110,.48) 100%),url('../images/reduce.jpg') no-repeat center bottom / cover} .ph-report{background:linear-gradient(165deg,rgba(5,42,110,.90) 0%,rgba(5,42,110,.72) 45%,rgba(5,42,110,.48) 100%),url('../images/report.jpg') no-repeat center bottom / cover} .ph-verify{background:linear-gradient(165deg,rgba(5,42,110,.90) 0%,rgba(5,42,110,.72) 45%,rgba(5,42,110,.48) 100%),url('../images/verify.jpg') no-repeat center bottom / cover}
.page-hero::before{content:'';position:absolute;top:-160px;right:-80px;width:480px;height:480px;background:radial-gradient(circle,rgba(63,125,255,.12),transparent 65%);border-radius:50%}
.page-hero::after{content:'';position:absolute;bottom:-120px;left:-80px;width:420px;height:420px;background:radial-gradient(circle,rgba(63,125,255,.14),transparent 65%);border-radius:50%}
.page-hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:48px 48px;pointer-events:none}
.page-hero .container{position:relative;z-index:2;text-align:center}
.crumb{display:flex;align-items:center;justify-content:center;gap:8px;font-size:15px;color:rgba(255,255,255,.82);margin-bottom:18px;flex-wrap:wrap}
.crumb a{color:rgba(255,255,255,.6)}
.crumb a:hover{color:#bcd7ff}
.crumb .sep{color:rgba(255,255,255,.28)}
.crumb .cur{color:#bcd7ff}
.page-hero h1{font-size:36px;color:#fff;font-weight:900;letter-spacing:1px;margin-bottom:14px;line-height:1.35;text-shadow:0 2px 14px rgba(5,20,60,.45)}
.page-hero p.sub{font-size:16.5px;color:rgba(255,255,255,.9);max-width:860px;margin:0 auto;line-height:1.9}
.page-hero .hero-tags{margin-top:22px;justify-content:center}

/* ===== Stats ===== */
.stats-bar{background:#f0f3fd;border-bottom:1px solid var(--border);padding:6px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-item{text-align:center;padding:8px 16px;position:relative}
.stat-item:not(:last-child)::after{content:'';position:absolute;right:0;top:50%;transform:translateY(-50%);width:1px;height:46px;background:var(--border)}
.stat-num{font-size:38px;font-weight:900;color:#ff8417;font-family:'Noto Serif SC',serif;line-height:1;margin-bottom:6px}
.stat-num span{font-size:19.5px;color:var(--gold);margin-left:2px}
.stat-label{font-size:15.5px;color:var(--text-gray)}

/* ===== Section ===== */
.section{padding:68px 0}
.section-title{text-align:center;margin-bottom:44px}
.section-title h2{font-size:32px;color:#1a1a1a;font-weight:900;letter-spacing:2px;margin-bottom:12px}
.section-title p{font-size:16.5px;color:var(--text-gray);max-width:680px;margin:0 auto;line-height:1.8}

/* ===== 板块一：赋能诚信学术（箭头横幅样式） ===== */
.integrity{background:#f7f9fc;padding:68px 0}
.integrity-head{text-align:center;margin-bottom:46px}
.integrity-head h2{font-size:32px;color:#272727;font-weight:900;letter-spacing:2px;margin-bottom:14px}
.integrity-head p{font-size:16px;color:var(--text-gray);max-width:780px;margin:0 auto;line-height:1.9}
.integrity-head p em{font-style:normal;color:var(--blue);font-weight:600}
.funeng-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.funeng-mod{background:#fff;border-radius:10px;box-shadow:0 2px 12px rgba(15,44,92,.05);transition:all var(--t)}
.funeng-mod:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.funeng-head{position:relative;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:15px 14px 15px 16px;border-radius:10px 10px 0 0}
.funeng-head::after{content:'';position:absolute;right:-15px;top:50%;transform:translateY(-50%);width:0;height:0;border-top:15px solid transparent;border-bottom:15px solid transparent;border-left:15px solid var(--head-arrow)}
.funeng-head h3{font-size:19.5px;color:#333;font-weight:700;font-family:'Noto Sans SC',sans-serif;white-space:nowrap;letter-spacing:.3px}
.funeng-ico{width:44px;height:44px;border:1.5px dashed #8db8ff;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;background:rgba(255,255,255,.55)}.funeng-ico img, .funeng-ico svg{width:22px; height:22px}
.funeng-links{display:grid;grid-template-columns:1fr 1fr;gap:2px 6px;padding:16px 14px 16px}
.funeng-links a{display:flex;align-items:center;gap:4px;padding:6px 2px;font-size:15.5px;color:#4a5568;border-radius:4px;transition:all .2s;white-space:nowrap}
.funeng-links a::before{content:'›';color:var(--blue);font-weight:700;font-size:16.5px;line-height:1;margin-right:1px;transition:transform .2s}
.funeng-links a:hover{color:var(--blue);transform:translateX(3px)}

/* ===== 板块二：场景专区 ===== */
.scene{background:#fff;position:relative;overflow:hidden}
.scene::before{content:'';position:absolute;inset:0;background:url('../images/3c54703058e94e20bf2b0bb4580ab30d.gif') no-repeat center bottom / cover;opacity:.55;pointer-events:none}
.scene .container{position:relative;z-index:1}
.scene-tabs{display:flex;justify-content:center;gap:6px;margin-bottom:28px;flex-wrap:wrap}
.scene-tab{padding:10px 26px;font-size:16.5px;color:var(--text-gray);border:1px solid transparent;border-radius:6px 6px 0 0;transition:all .25s;font-weight:500;white-space:nowrap;position:relative}
.scene-tab:hover{color:var(--blue)}
.scene-tab.active{color:#404347;background:var(--bg);border-color:var(--border);border-bottom-color:#fff;font-weight:600;position:relative;top:1px}
.scene-tab.active::after{content:'';position:absolute;top:-6px;left:50%;transform:translateX(-50%);width:26px;height:3px;background:var(--gold);border-radius:3px}
.scene-panel{display:none;animation:fadeUp .4s ease}
.scene-panel.active{display:block}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
.scene-card{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:34px 38px}
.scene-top{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:26px;padding-bottom:22px;border-bottom:1px solid var(--border)}
.scene-left h3{font-size:24px;color:#e14f15;font-weight:700;margin-bottom:10px}
.scene-left p{font-size:16px;color:var(--text-gray);line-height:2;max-width:720px}
.scene-badge{flex-shrink:0;display:flex;align-items:center;gap:6px;padding:7px 16px;background:var(--gold-l);color:var(--gold);border-radius:20px;font-size:15px;font-weight:600;white-space:nowrap}.scene-badge img, .scene-badge svg{width:14px; height:14px}
.scene-systems{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:22px}
.scene-sys{background:#fff;border:1px solid var(--border);border-radius:8px;padding:16px 14px;display:flex;align-items:center;gap:12px;transition:all .25s;cursor:pointer}
.scene-sys:hover{border-color:var(--blue);box-shadow:var(--shadow);transform:translateY(-2px)}
.scene-sys-ico{width:38px;height:38px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.scene-sys-ico img, .scene-sys-ico svg{width:19px; height:19px}
.scene-sys h5{font-size:16px;color:var(--text);font-weight:600;font-family:'Noto Sans SC',sans-serif}
.scene-sys p{font-size:14px;color:var(--text-light);margin-top:1px}
.scene-extra{display:flex;flex-wrap:wrap;gap:10px}
.scene-extra-tag{display:inline-flex;align-items:center;gap:6px;padding:7px 16px;background:#fff;border:1px solid var(--border);border-radius:20px;font-size:15px;color:var(--text-gray);cursor:pointer;transition:all .2s}.scene-extra-tag img, .scene-extra-tag svg{width:12px; height:12px}
.scene-extra-tag:hover{color:var(--blue);border-color:var(--blue);background:var(--blue-l)}
.scene-extra-tag:hover img, .scene-extra-tag:hover svg{filter:brightness(0) invert(36.3%) sepia(100%) saturate(1136.9%) hue-rotate(184.9deg) brightness(76.3%) contrast(95%)}

/* ===== 板块三：使用流程 ===== */
.process{background:var(--bg)}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.process-step{text-align:center;padding:0 22px;position:relative}
.process-step:not(:last-child)::after{content:'';position:absolute;top:34px;right:-6px;width:16px;height:2px;background:var(--border);z-index:1}
.process-num{width:68px;height:68px;border-radius:50%;background:#fff;border:2px solid var(--border);display:flex;align-items:center;justify-content:center;margin:0 auto 18px;font-size:26px;font-weight:900;color:var(--navy);font-family:'Noto Serif SC',serif;transition:all .3s;position:relative;z-index:2}
.process-step:hover .process-num{background:var(--navy);color:#fff;border-color:transparent;box-shadow:0 6px 20px rgba(15,44,92,.25)}
.process-step h4{font-size:17.5px;color:var(--navy);margin-bottom:6px;font-weight:600;font-family:'Noto Sans SC',sans-serif}
.process-step p{font-size:15.5px;color:var(--text-gray);line-height:1.7}

/* ===== 板块四：平台优势 ===== */
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.adv-card{text-align:center;padding:32px 22px;background:#fff;border:1px solid var(--border);border-radius:10px;transition:all .3s}
.adv-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
.adv-icon{width:58px;height:58px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 18px}.adv-icon img, .adv-icon svg{width:28px; height:28px}
.adv-card h4{font-size:17.5px;color:var(--navy);margin-bottom:8px;font-weight:600;font-family:'Noto Sans SC',sans-serif}
.adv-card p{font-size:15.5px;color:var(--text-gray);line-height:1.8}

/* ===== 板块五：知识中心 ===== */
.know{background:var(--bg)}
.know-tabs{display:flex;justify-content:center;gap:2px;margin-bottom:34px;flex-wrap:wrap;border-bottom:1px solid var(--border)}
.know-tab{padding:11px 26px;font-size:16.5px;color:var(--text-gray);font-weight:500;white-space:nowrap;position:relative;transition:color .25s;border-bottom:2px solid transparent;margin-bottom:-1px}
.know-tab:hover{color:var(--blue)}
.know-tab.active{color:var(--blue);font-weight:600;border-bottom-color:var(--blue)}
.know-panel{display:none;animation:fadeUp .4s ease}
.know-panel.active{display:block}
.know-layout{display:grid;grid-template-columns:1.7fr 1fr;gap:24px}
.know-list{background:#fff;border:1px solid var(--border);border-radius:10px;overflow:hidden;box-shadow:var(--shadow)}
.know-item{display:flex;gap:16px;padding:18px 22px;border-bottom:1px solid var(--bg);transition:all .25s;cursor:pointer;position:relative}
.know-item::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--blue);opacity:0;transition:opacity .25s}
.know-item:hover{background:var(--bg-card)}
.know-item:hover::before{opacity:1}
.know-item:hover .know-info h4{color:var(--blue)}
.know-item:last-child{border-bottom:none}
.know-num{font-size:26px;font-weight:900;color:var(--border);font-family:'Noto Serif SC',serif;line-height:1;flex-shrink:0;width:42px;text-align:center;padding-top:2px}
.know-item:nth-child(1) .know-num{color:var(--blue)}
.know-item:nth-child(2) .know-num{color:var(--blue2)}
.know-item:nth-child(3) .know-num{color:#8db8ff}
.know-info{flex:1;min-width:0}
.know-info h4{font-size:17.5px;color:var(--text);font-weight:600;margin-bottom:5px;font-family:'Noto Sans SC',sans-serif;line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color .2s}
.know-info p{font-size:15px;color:var(--text-light);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:6px}
.know-meta{display:flex;gap:16px;font-size:14px;color:var(--text-light)}
.know-meta span{display:flex;align-items:center;gap:5px}.know-meta img, .know-meta svg{width:12px; height:12px}
.know-more{display:flex;justify-content:center;padding:16px}
.know-more a{display:inline-flex;align-items:center;gap:6px;padding:9px 30px;font-size:15.5px;color:var(--blue);border:1px solid var(--blue);border-radius:20px;transition:all .25s}
.know-more a:hover{background:var(--blue);color:#fff}
.know-side{display:flex;flex-direction:column;gap:16px}
.know-hot{background:#fff;border:1px solid var(--border);border-radius:10px;padding:22px;box-shadow:var(--shadow)}
.know-hot h4{font-size:17.5px;color:var(--navy);margin-bottom:14px;font-weight:700;font-family:'Noto Sans SC',sans-serif;display:flex;align-items:center;gap:8px;padding-bottom:12px;border-bottom:2px solid var(--bg)}
.know-hot h4::before{content:'';width:4px;height:16px;background:var(--blue);border-radius:2px}
.hot-list li{display:flex;align-items:center;gap:10px;padding:10px 0;font-size:15.5px;color:var(--text-gray);cursor:pointer;transition:color .2s;border-bottom:1px dashed var(--bg)}
.hot-list li:last-child{border-bottom:none}
.hot-list li:hover{color:var(--blue)}
.hot-rank{width:22px;height:22px;border-radius:5px;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex-shrink:0}
.hot-rank.r1{background:var(--blue-l);color:var(--blue)}
.hot-rank.r2{background:#eaf2fd;color:var(--blue2)}
.hot-rank.r3{background:#f0f6ff;color:#8db8ff}
.hot-rank.rn{background:var(--bg);color:var(--text-light)}
.know-faq{background:#fff;border:1px solid var(--border);border-radius:10px;padding:22px;box-shadow:var(--shadow)}
.know-faq h4{font-size:17.5px;color:var(--navy);margin-bottom:4px;font-weight:700;font-family:'Noto Sans SC',sans-serif;display:flex;align-items:center;gap:8px;padding-bottom:12px;border-bottom:2px solid var(--bg)}
.know-faq h4::before{content:'';width:4px;height:16px;background:var(--blue);border-radius:2px}
.know-faq .faq-sub{font-size:14px;color:var(--text-light);margin-bottom:4px}
.faq-item{padding:11px 0;border-bottom:1px dashed var(--bg);cursor:pointer}
.faq-item:last-child{border-bottom:none}
.faq-item .faq-q{display:flex;align-items:flex-start;gap:8px;font-size:16px;color:var(--text);font-weight:600;line-height:1.55}
.faq-item .faq-q i{font-style:normal;color:var(--blue);font-weight:700;flex-shrink:0}
.faq-item .faq-q .faq-toggle{margin-left:auto;color:var(--text-light);font-size:12.5px;transition:transform .25s;flex-shrink:0}
.faq-item .faq-a{font-size:15px;color:var(--text-light);line-height:1.8;margin-top:6px;padding-left:21px;display:none}
.faq-item.open .faq-a{display:block}
.faq-item.open .faq-toggle{transform:rotate(180deg)}
.know-banner{background:linear-gradient(135deg,var(--navy),var(--navy2));border-radius:10px;padding:26px;color:#fff;position:relative;overflow:hidden}
.know-banner::before{content:'';position:absolute;top:-30px;right:-30px;width:120px;height:120px;background:radial-gradient(circle,rgba(63,125,255,.25),transparent 70%);border-radius:50%}
.know-banner::after{content:'';position:absolute;bottom:-40px;left:10px;width:150px;height:150px;background:radial-gradient(circle,rgba(63,125,255,.15),transparent 70%);border-radius:50%}
.know-banner h4{font-size:18.5px;color:#fff;margin-bottom:8px;position:relative;z-index:1;font-family:'Noto Sans SC',sans-serif;font-weight:600}
.know-banner p{font-size:15px;color:rgba(255,255,255,.75);margin-bottom:18px;position:relative;z-index:1;line-height:1.8}
.know-banner .btn-mini{display:inline-block;padding:8px 22px;background:linear-gradient(135deg,#075bf9,#3f7dff);color:#fff;border-radius:6px;font-size:15px;font-weight:500;position:relative;z-index:1;transition:all .25s}
.know-banner .btn-mini:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(7,91,249,.4)}

/* ===== CTA ===== */
.cta{background:linear-gradient(135deg,#0b2a6b 0%,#1450c8 100%);padding:56px 0;text-align:center;position:relative;overflow:hidden}
.cta::before{content:'';position:absolute;top:-80px;right:-80px;width:240px;height:240px;background:radial-gradient(circle,rgba(63,125,255,.14),transparent 70%);border-radius:50%}
.cta::after{content:'';position:absolute;bottom:-60px;left:-60px;width:200px;height:200px;background:radial-gradient(circle,rgba(47,111,189,.18),transparent 70%);border-radius:50%}
.cta h2{font-size:32px;color:#fff;margin-bottom:12px;position:relative;z-index:1;font-weight:900}
.cta p{font-size:16.5px;color:rgba(255,255,255,.62);margin-bottom:28px;position:relative;z-index:1}
.cta-btn{display:inline-flex;align-items:center;gap:8px;padding:14px 44px;background:linear-gradient(135deg,var(--gold),var(--gold2));color:#fff;border-radius:8px;font-size:17.5px;font-weight:600;transition:all .3s;position:relative;z-index:1;box-shadow:0 6px 24px rgba(240,160,32,.4)}
.cta-btn:hover{transform:translateY(-2px);box-shadow:0 10px 32px rgba(63,125,255,.5)}.cta-btn img, .cta-btn svg{width:18px; height:18px}

/* ===== Footer ===== */
.footer{background:#0a1a33;color:rgba(255,255,255,.82);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:40px}
.footer-brand h4{color:#fff;font-size:18.5px;margin-bottom:14px;font-family:'Noto Sans SC',sans-serif}
.footer-brand p{font-size:15px;line-height:1.9;margin-bottom:18px;color:rgba(255,255,255,.78)}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:15px;padding:5px 0;color:rgba(255,255,255,.82)}.footer-contact li img, .footer-contact li svg{width:14px; height:14px; flex-shrink:0}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:16px;font-family:'Noto Sans SC',sans-serif}
.footer-col ul li{padding:4px 0}
.footer-col ul li a{font-size:15px;color:rgba(255,255,255,.78)}
.footer-col ul li a:hover{color:var(--gold)}
.footer-qr{display:flex;gap:14px}
.qr-item{text-align:center}
.qr-box{width:80px;height:80px;background:#fff;border-radius:8px;padding:5px;margin-bottom:8px}.qr-box img, .qr-box svg{width:100%; height:100%}
.qr-item p{font-size:14px;color:rgba(255,255,255,.75)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center}
.footer-bottom p{font-size:14px;color:rgba(255,255,255,.70)}
.footer-bottom a{color:rgba(255,255,255,.70);margin:0 6px}
.footer-bottom a:hover{color:var(--gold)}

/* ===== Float Bar ===== */
.float-bar{position:fixed;right:20px;bottom:80px;z-index:999;display:flex;flex-direction:column}
.float-item{width:52px;height:52px;background:#fff;border:1px solid var(--border);display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;transition:all .25s;position:relative}
.float-item:first-child{border-radius:8px 8px 0 0}
.float-item:last-child{border-radius:0 0 8px 8px}
.float-item:hover{background:var(--navy);border-color:var(--navy)}.float-item:hover img, .float-item:hover svg{filter:brightness(0) invert(1)}
.float-item:hover .float-text{color:#fff}.float-item img, .float-item svg{width:20px; height:20px}
.float-text{font-size:12.5px;color:var(--text-light);margin-top:1px}
.float-tip{position:absolute;right:56px;top:50%;transform:translateY(-50%);background:var(--navy);color:#fff;font-size:14px;padding:7px 14px;border-radius:6px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .25s}
.float-item:hover .float-tip{opacity:1}
.back-top{opacity:0;pointer-events:none;transition:opacity .3s}
.back-top.show{opacity:1;pointer-events:auto}

/* ============================================================
   新页面扩展样式
   ============================================================ */

/* ===== 栏目页通用 ===== */
.pg-section{padding:64px 0}
.pg-section.alt{background:var(--bg)}
.pg-title{text-align:center;margin-bottom:42px}
.pg-title h2{font-size:30px;color:var(--navy);font-weight:900;letter-spacing:1.5px;margin-bottom:12px}
.pg-title p{font-size:16px;color:var(--text-gray);max-width:720px;margin:0 auto;line-height:1.9}
.pg-title h2 .line{display:inline-block;width:42px;height:3px;background:linear-gradient(90deg,var(--gold),var(--gold2));border-radius:3px;vertical-align:middle;margin:0 14px}

/* 双栏内容区（主内容+侧边栏） */
.page-main{display:grid;grid-template-columns:1fr 320px;gap:28px;align-items:start}
.page-main .side{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px}

/* ===== 侧边栏组件 ===== */
.side-box{background:#fff;border:1px solid var(--border);border-radius:10px;padding:22px;box-shadow:var(--shadow)}
.side-box h4{font-size:17.5px;color:var(--navy);margin-bottom:14px;font-weight:700;font-family:'Noto Sans SC',sans-serif;display:flex;align-items:center;gap:8px;padding-bottom:12px;border-bottom:2px solid var(--bg)}
.side-box h4::before{content:'';width:4px;height:16px;background:var(--blue);border-radius:2px}
.side-nav li a{display:flex;align-items:center;gap:8px;padding:10px 8px;font-size:15px;color:var(--text-gray);border-radius:6px;transition:all .2s}
.side-nav li a::before{content:'›';color:var(--blue);font-weight:700}
.side-nav li a:hover,.side-nav li a.active{color:var(--blue);background:var(--blue-l);padding-left:14px}
.side-cta{background:linear-gradient(135deg,var(--navy),var(--navy2));border-radius:10px;padding:24px;color:#fff;position:relative;overflow:hidden;border:none}
.side-cta::before{content:'';position:absolute;top:-30px;right:-30px;width:110px;height:110px;background:radial-gradient(circle,rgba(63,125,255,.28),transparent 70%);border-radius:50%}
.side-cta h4{color:#fff;border:none;padding:0;margin-bottom:8px;font-size:17.5px;position:relative;z-index:1}
.side-cta h4::before{display:none}
.side-cta p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.8;margin-bottom:16px;position:relative;z-index:1}
.side-cta .btn-mini{display:block;text-align:center;padding:10px;background:linear-gradient(135deg,var(--gold),var(--gold2));color:#fff;border-radius:6px;font-size:15px;font-weight:500;position:relative;z-index:1;transition:all .25s}
.side-cta .btn-mini:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(7,91,249,.4)}

/* ===== 相关问题推荐 ===== */
.qa-list{display:flex;flex-direction:column;gap:10px}
.qa-item{display:flex;align-items:flex-start;gap:10px;padding:12px;background:var(--bg-card);border:1px solid var(--border);border-radius:9px;transition:all .22s}
.qa-item:hover{background:#fff;border-color:var(--blue);transform:translateY(-1px);box-shadow:0 5px 14px rgba(5,60,190,.08)}
.qa-item .qa-i{flex-shrink:0;width:22px;height:22px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;margin-top:1px}
.qa-item .qa-t{font-size:15px;color:var(--text);line-height:1.65;font-weight:500}
.qa-item:hover .qa-t{color:var(--blue)}
/* ===== 热门服务 彩色卡片网格 ===== */
.svc-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.svc-card{display:flex;flex-direction:column;align-items:center;gap:7px;padding:16px 8px 13px;border-radius:11px;text-align:center;transition:all .22s;border:1px solid transparent}
.svc-card:hover{transform:translateY(-2px);box-shadow:0 7px 16px rgba(5,60,190,.10)}
.svc-ico{width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center}.svc-ico img, .svc-ico svg{width:22px; height:22px}
.svc-t{font-size:15px;color:#1b2b44;font-weight:600;line-height:1.2}
.svc-d{font-size:12.5px;color:#6b7a90;line-height:1.3}
.svc-card.c1{background:#dff6f1} .svc-card.c1 .svc-ico{background:#bfeee5}
.svc-card.c2{background:#e8f8ed} .svc-card.c2 .svc-ico{background:#d3f1dc}
.svc-card.c3{background:#efecfb} .svc-card.c3 .svc-ico{background:#e2dcf7}
.svc-card.c4{background:#e6f0ff} .svc-card.c4 .svc-ico{background:#d5e5ff}
.svc-card.c5{background:#e2f5ff} .svc-card.c5 .svc-ico{background:#cceeff}
.svc-card.c6{background:#fdeeee} .svc-card.c6 .svc-ico{background:#fadfdf}
/* ===== 系统对比表 ===== */
.sys-table-wrap{background:#fff;border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow);overflow-x:auto}
.sys-table{width:100%;border-collapse:collapse;min-width:720px}
.sys-table th{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;font-size:15px;font-weight:600;padding:14px 16px;text-align:left;white-space:nowrap;font-family:'Noto Sans SC',sans-serif}
.sys-table td{padding:14px 16px;font-size:15px;color:var(--text);border-bottom:1px solid var(--bg);vertical-align:top}
.sys-table tr:nth-child(even) td{background:#fafcff}
.sys-table tr:hover td{background:var(--blue-l)}
.sys-table td .tag{display:inline-block;padding:2px 10px;border-radius:10px;font-size:12.5px;background:var(--gold-l);color:var(--gold);margin-right:6px;white-space:nowrap}
.sys-table td .tag.green{background:#e6f6ee;color:#1d8a5f}
.sys-table td .tag.purple{background:#e8f0fe;color:#3f7dff}
.sys-table td .tag.cyan{background:#e3f6fa;color:#1d8aa5}
.sys-table td strong{color:var(--navy)}
.sys-table td .price{color:#e07b1f;font-weight:700;font-family:'Noto Serif SC',serif}

/* ===== 卡片网格（服务卡片） ===== */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.topic-card{background:#fff;border:1px solid var(--border);border-radius:10px;padding:28px 26px;transition:all .3s;position:relative;overflow:hidden}
.topic-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--gold),var(--gold2));opacity:0;transition:opacity .3s}
.topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:transparent}
.topic-card:hover::before{opacity:1}
.topic-card .tc-icon{width:52px;height:52px;display:flex;align-items:center;justify-content:center;margin-bottom:18px;overflow:hidden}.topic-card .tc-icon img{width:44px;height:44px;object-fit:contain;margin:0}.topic-card .tc-icon img, .topic-card .tc-icon svg, .tc-icon svg{width:26px; height:26px}
.topic-card h3{font-size:18.5px;color:var(--navy);margin-bottom:10px;font-family:'Noto Sans SC',sans-serif;font-weight:700}
.topic-card p{font-size:15px;color:var(--text-gray);line-height:1.8;margin-bottom:16px}
.topic-card ul{font-size:14px;color:var(--text-light)}
.topic-card ul li{padding:3px 0;display:flex;align-items:center;gap:6px}
.topic-card ul li::before{content:'✓';color:var(--blue);font-weight:700}

/* ===== 图文说明区 ===== */
.media-row{display:grid;grid-template-columns:1.15fr 1fr;gap:44px;align-items:center}
.media-row.reverse{grid-template-columns:1fr 1.15fr}
.media-txt h3{font-size:26px;color:var(--navy);margin-bottom:16px;font-weight:900}
.media-txt p{font-size:15.5px;color:var(--text-gray);line-height:2;margin-bottom:14px}
.media-txt ul{font-size:15.5px;color:var(--text-gray)}
.media-txt ul li{padding:6px 0;display:flex;gap:10px;line-height:1.7}
.media-txt ul li::before{content:'▸';color:var(--blue);font-weight:700;flex-shrink:0}
.media-vis{position:relative}
.media-vis .mv-card{background:linear-gradient(150deg,#053a8f,#075bf9 55%,#075bf9);border-radius:14px;padding:34px;color:#fff;position:relative;overflow:hidden;min-height:320px;display:flex;flex-direction:column;justify-content:center}
.media-vis .mv-card::before{content:'';position:absolute;top:-60px;right:-60px;width:220px;height:220px;background:radial-gradient(circle,rgba(63,125,255,.35),transparent 70%);border-radius:50%}
.media-vis .mv-card::after{content:'';position:absolute;bottom:-80px;left:-40px;width:220px;height:220px;background:radial-gradient(circle,rgba(47,111,189,.25),transparent 70%);border-radius:50%}
.mv-card .mv-num{font-size:54px;font-weight:900;color:#fff;font-family:'Noto Serif SC',serif;line-height:1;margin-bottom:10px;position:relative;z-index:1}
.mv-card .mv-num span{font-size:24px;color:#bcd7ff}
.mv-card .mv-label{font-size:15px;color:rgba(255,255,255,.65);margin-bottom:20px;position:relative;z-index:1}
.mv-card .mv-stat{display:flex;gap:28px;position:relative;z-index:1}
.mv-card .mv-stat b{display:block;font-size:22px;font-family:'Noto Serif SC',serif;color:#bcd7ff}
.mv-card .mv-stat span{font-size:12.5px;color:rgba(255,255,255,.82)}

/* ===== AI智评维度条 ===== */
.dim-bars{display:flex;flex-direction:column;gap:18px}
.dim-row .dim-top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px}
.dim-row .dim-top b{font-size:16px;color:var(--navy)}
.dim-row .dim-top span{font-size:15px;color:var(--blue);font-weight:700}
.dim-track{height:10px;background:var(--bg);border-radius:10px;overflow:hidden}
.dim-fill{height:100%;border-radius:10px;background:linear-gradient(90deg,var(--gold),var(--gold2));width:0;transition:width 1.2s ease}

/* ===== 价格/方案卡片 ===== */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.price-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:30px 28px;text-align:center;transition:all .3s;position:relative}
.price-card.feature{box-shadow:var(--shadow-lg);border-color:var(--blue);transform:translateY(-6px)}
.price-card.feature::before{content:'推荐';position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;font-size:12.5px;padding:3px 16px;border-radius:10px;white-space:nowrap}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.price-card h3{font-size:17.5px;color:var(--navy);margin-bottom:12px;font-family:'Noto Sans SC',sans-serif}
.price-card .pc-price{font-size:32px;font-weight:900;color:var(--navy);font-family:'Noto Serif SC',serif;margin-bottom:4px}
.price-card .pc-price span{font-size:15px;color:var(--text-light);font-weight:400}
.price-card .pc-note{font-size:13px;color:var(--text-light);margin-bottom:18px}
.price-card ul{font-size:15px;color:var(--text-gray);text-align:left;margin-bottom:20px}
.price-card ul li{padding:6px 0;display:flex;align-items:center;gap:8px}
.price-card ul li::before{content:'✓';color:var(--blue);font-weight:700;flex-shrink:0}
.price-card .pc-btn{display:block;text-align:center;padding:10px;border:1px solid var(--blue);color:var(--blue);border-radius:6px;font-size:15px;font-weight:600;transition:all .25s}
.price-card .pc-btn:hover{background:var(--blue);color:#fff}
.price-card.feature .pc-btn{background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;border:none}
.price-card.feature .pc-btn:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(63,125,255,.4)}

/* ===== 提示框 ===== */
.notice-box{display:flex;gap:14px;padding:20px 24px;border-radius:10px;background:var(--blue-l);border:1px solid rgba(31,99,201,.2);margin:18px 0}
.notice-box .nb-ico{width:34px;height:34px;border-radius:8px;background:linear-gradient(135deg,var(--blue),var(--blue2));display:flex;align-items:center;justify-content:center;flex-shrink:0}.notice-box .nb-ico img, .notice-box .nb-ico svg, .nb-ico svg{width:18px; height:18px}
.notice-box p{font-size:15px;color:var(--text);line-height:1.9}
.notice-box p b{color:var(--navy)}
.tip-box{display:flex;gap:14px;padding:18px 22px;border-radius:10px;background:#eef7f1;border:1px solid rgba(29,138,95,.22);margin:18px 0}
.tip-box .nb-ico{width:34px;height:34px;border-radius:8px;background:linear-gradient(135deg,#075bf9,#3f7dff);display:flex;align-items:center;justify-content:center;flex-shrink:0}.tip-box .nb-ico img, .tip-box .nb-ico svg, .nb-ico svg{width:18px; height:18px}
.tip-box p{font-size:15px;color:var(--text);line-height:1.9}

/* ===== 服务流程（大步骤） ===== */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.flow-card{background:#fff;border:1px solid var(--border);border-radius:10px;padding:26px 22px;text-align:center;position:relative;transition:all .3s}
.flow-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.flow-card .fl-num{width:44px;height:44px;border-radius:50%;background:var(--blue-l);color:var(--blue);font-size:18.5px;font-weight:900;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;font-family:'Noto Serif SC',serif}
.flow-card h4{font-size:16.5px;color:var(--navy);margin-bottom:8px;font-family:'Noto Sans SC',sans-serif}
.flow-card p{font-size:14px;color:var(--text-gray);line-height:1.8}

/* ===== 应用场景标签 ===== */
.scene-chips{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.scene-chip{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;background:#fff;border:1px solid var(--border);border-radius:24px;font-size:15px;color:var(--text-gray);cursor:pointer;transition:all .25s;font-weight:500}.scene-chip img, .scene-chip svg{width:15px; height:15px}
.scene-chip:hover{color:var(--blue);border-color:var(--blue);transform:translateY(-2px);box-shadow:var(--shadow)}

/* ===== 步骤列表（垂直） ===== */
.steps-list{display:flex;flex-direction:column;gap:14px}
.steps-item{display:flex;gap:18px;background:#fff;border:1px solid var(--border);border-radius:10px;padding:22px 24px;transition:all .25s}
.steps-item:hover{box-shadow:var(--shadow);border-color:var(--blue)}
.steps-item .st-num{width:42px;height:42px;border-radius:10px;background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;font-size:17.5px;font-weight:900;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-family:'Noto Serif SC',serif}
.steps-item h4{font-size:17.5px;color:var(--navy);margin-bottom:6px;font-family:'Noto Sans SC',sans-serif}
.steps-item p{font-size:15px;color:var(--text-gray);line-height:1.8}

/* ===== 文章列表页 ===== */
.art-cat{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.art-cat a{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;font-size:15px;color:var(--text-gray);border:1px solid var(--border);border-radius:20px;transition:all .25s}
.art-cat a.active,.art-cat a:hover{color:#fff;background:linear-gradient(135deg,var(--navy),var(--navy2));border-color:transparent}
.art-list-card{background:#fff;border:1px solid var(--border);border-radius:10px;overflow:hidden;box-shadow:var(--shadow);transition:all .25s;margin-bottom:16px}
.art-list-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.art-list-card a{display:flex;gap:20px;padding:22px 24px}
.art-list-card .alc-info{flex:1;min-width:0}
.art-list-card .alc-cat{display:inline-block;font-size:12.5px;color:var(--blue);background:var(--blue-l);padding:2px 12px;border-radius:10px;margin-bottom:8px}
.art-list-card h3{font-size:18.5px;color:var(--text);font-weight:700;font-family:'Noto Sans SC',sans-serif;margin-bottom:8px;line-height:1.5;transition:color .2s}
.art-list-card a:hover h3{color:var(--blue)}
.art-list-card p{font-size:15px;color:var(--text-light);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px}
.art-meta{display:flex;gap:18px;font-size:14px;color:var(--text-light)}
.art-meta span{display:flex;align-items:center;gap:5px}.art-meta img, .art-meta svg{width:13px; height:13px}
.alc-thumb{width:200px;height:126px;border-radius:8px;flex-shrink:0;overflow:hidden;position:relative}.alc-thumb img{width:100%; height:100%}

/* 分页 */
.pagination{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:30px}
.pagination a,.pagination span{min-width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:8px;font-size:15px;color:var(--text-gray);background:#fff;transition:all .2s;padding:0 6px}
.pagination a:hover{border-color:var(--blue);color:var(--blue)}
.pagination .cur{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;border-color:transparent}
.pagination .disabled{opacity:.45;pointer-events:none}
.pagination .gap{border:none}

/* ===== 文章详情页 ===== */
.article-wrap{background:#fff;border:1px solid var(--border);border-radius:10px;padding:38px 42px;box-shadow:var(--shadow)}
.article-head{border-bottom:1px solid var(--bg);padding-bottom:24px;margin-bottom:28px}
.article-head h1{font-size:28px;color:var(--navy);font-weight:900;line-height:1.5;margin-bottom:14px}
.article-head .art-meta{margin-bottom:12px}
.article-head .art-tags{display:flex;gap:8px;flex-wrap:wrap}
.article-head .art-tags a{font-size:14px;color:var(--blue);background:var(--blue-l);padding:3px 14px;border-radius:14px}
.article-head .art-tags a:hover{background:var(--blue);color:#fff}
.article-prose{font-size:16.5px;color:#33415a;line-height:2}
.article-prose h2{font-size:23px;color:var(--navy);font-weight:900;margin:36px 0 16px;padding-left:14px;border-left:4px solid var(--gold);line-height:1.5}
.article-prose h3{font-size:18.5px;color:var(--navy);font-weight:700;margin:28px 0 12px;font-family:'Noto Sans SC',sans-serif}
.article-prose p{margin-bottom:16px;text-align:justify}
.article-prose ul,.article-prose ol{margin:0 0 18px 6px}
.article-prose ul li,.article-prose ol li{padding:5px 0 5px 22px;position:relative}
.article-prose ul li::before{content:'';position:absolute;left:4px;top:16px;width:6px;height:6px;border-radius:50%;background:var(--blue)}
.article-prose ol{counter-reset:prose}
.article-prose ol li{counter-increment:prose}
.article-prose ol li::before{content:counter(prose) '.';position:absolute;left:0;top:5px;color:var(--blue);font-weight:700}
.article-prose table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px}
.article-prose table th{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;padding:12px 14px;text-align:left;font-weight:600}
.article-prose table td{padding:11px 14px;border:1px solid var(--border);vertical-align:top}
.article-prose table tr:nth-child(even) td{background:#fafcff}
.article-prose blockquote{margin:20px 0;padding:16px 22px;background:var(--bg-card);border-left:4px solid var(--blue);border-radius:0 8px 8px 0;color:var(--text-gray);font-size:15.5px}
.article-prose strong{color:var(--navy)}
.article-prose .prose-img{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:28px;text-align:center;color:var(--text-light);font-size:15px;margin:20px 0}
.article-foot{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--bg);padding-top:22px;margin-top:34px;flex-wrap:wrap;gap:12px}
.article-foot .af-links{display:flex;gap:14px;font-size:15px}
.article-foot .af-links a{color:var(--blue);display:inline-flex;align-items:center;gap:6px}
.article-foot .af-links a:hover{text-decoration:underline}
.article-foot .af-share{display:flex;gap:8px;font-size:14px;color:var(--text-light)}
.related-articles{margin-top:30px}
.related-articles h3{font-size:19.5px;color:var(--navy);margin-bottom:16px;font-family:'Noto Sans SC',sans-serif;display:flex;align-items:center;gap:8px}
.related-articles h3::before{content:'';width:4px;height:16px;background:var(--blue);border-radius:2px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.related-card{background:#fff;border:1px solid var(--border);border-radius:8px;padding:16px 18px;transition:all .25s}
.related-card:hover{border-color:var(--blue);box-shadow:var(--shadow);transform:translateY(-2px)}
.related-card a{display:block}
.related-card h4{font-size:15px;color:var(--text);font-weight:600;font-family:'Noto Sans SC',sans-serif;line-height:1.6;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s}
.related-card a:hover h4{color:var(--blue)}
.related-card span{font-size:13px;color:var(--text-light)}
/* 文章目录 */
.toc{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:20px 24px;margin-bottom:28px}
.toc h4{font-size:16.5px;color:var(--navy);margin-bottom:12px;font-family:'Noto Sans SC',sans-serif;display:flex;align-items:center;gap:8px}
.toc h4::before{content:'';width:4px;height:15px;background:var(--blue);border-radius:2px}
.toc ol{counter-reset:toc}
.toc ol li{padding:5px 0;counter-increment:toc}
.toc ol li a{font-size:15px;color:var(--text-gray);display:flex;gap:8px;transition:color .2s}
.toc ol li a::before{content:counter(toc,decimal-leading-zero);color:var(--blue);font-weight:700;font-size:14px;line-height:1.9}
.toc ol li a:hover{color:var(--blue)}

/* ===== 搜索页 ===== */
.search-main{background:#fff;border:1px solid var(--border);border-radius:10px;padding:30px 34px;box-shadow:var(--shadow)}
.search-summary{display:flex;align-items:baseline;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--bg);margin-bottom:20px;flex-wrap:wrap;gap:10px}
.search-summary h2{font-size:20.5px;color:var(--navy);font-weight:900;font-family:'Noto Sans SC',sans-serif}
.search-summary h2 em{font-style:normal;color:var(--blue)}
.search-summary .ss-num{font-size:15px;color:var(--text-light)}
.result-group{margin-bottom:26px}
.result-group>h3{font-size:17.5px;color:var(--navy);margin-bottom:14px;font-family:'Noto Sans SC',sans-serif;display:flex;align-items:center;gap:10px;padding-bottom:10px;border-bottom:2px solid var(--bg)}
.result-group>h3 .rg-badge{font-size:12.5px;background:var(--blue-l);color:var(--blue);padding:2px 12px;border-radius:12px}
.result-item{display:flex;gap:14px;padding:16px 18px;border-radius:8px;transition:background .2s;border-bottom:1px dashed var(--bg)}
.result-item:last-child{border-bottom:none}
.result-item:hover{background:var(--bg-card)}
.result-item .ri-ico{width:38px;height:38px;border-radius:9px;background:linear-gradient(135deg,var(--navy),var(--navy2));display:flex;align-items:center;justify-content:center;flex-shrink:0}.result-item .ri-ico img, .result-item .ri-ico svg, .ri-ico svg{width:19px; height:19px}
.result-item .ri-body{flex:1;min-width:0}
.result-item .ri-body h4{font-size:16.5px;color:var(--text);font-weight:600;font-family:'Noto Sans SC',sans-serif;margin-bottom:5px;line-height:1.5}
.result-item .ri-body h4 a:hover{color:var(--blue)}
.result-item .ri-body p{font-size:14px;color:var(--text-light);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.result-item .ri-tag{margin-left:auto;font-size:12.5px;color:var(--blue);background:var(--blue-l);padding:2px 12px;border-radius:10px;flex-shrink:0;height:fit-content}
.hl{color:#e07b1f;font-weight:700}
.search-empty{text-align:center;padding:50px 20px}
.search-empty .se-ico{width:72px;height:72px;border-radius:50%;background:var(--bg);display:flex;align-items:center;justify-content:center;margin:0 auto 20px}.search-empty .se-ico img, .search-empty .se-ico svg, .se-ico svg{width:36px; height:36px}
.search-empty h3{font-size:19.5px;color:var(--navy);margin-bottom:8px}
.search-empty p{font-size:15px;color:var(--text-gray);margin-bottom:20px}
.search-empty .se-tags{display:flex;justify-content:center;flex-wrap:wrap;gap:10px}
.search-empty .se-tags a{padding:7px 18px;background:var(--bg);border:1px solid var(--border);border-radius:18px;font-size:15px;color:var(--text-gray)}
.search-empty .se-tags a:hover{color:var(--blue);border-color:var(--blue);background:var(--blue-l)}
.popular-searches{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.popular-searches a{padding:7px 16px;background:#fff;border:1px solid var(--border);border-radius:18px;font-size:14px;color:var(--text-gray)}
.popular-searches a:hover{color:var(--blue);border-color:var(--blue)}

/* ===== 响应式 ===== */
@media(max-width:1200px){
  .funeng-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:1024px){
  .nav{display:none}
  .nav-toggle{display:flex}
  .scene-systems{grid-template-columns:repeat(2,1fr)}
  .adv-grid{grid-template-columns:repeat(2,1fr)}
  .know-layout{grid-template-columns:1fr}
  .process-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .process-step:not(:last-child)::after{display:none}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2)::after{display:none}
  .page-main{grid-template-columns:1fr}
  .page-main .side{position:static}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .price-grid{grid-template-columns:1fr;max-width:420px;margin:0 auto}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .media-row,.media-row.reverse{grid-template-columns:1fr;gap:28px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .alc-thumb{display:none}
}
@media(max-width:640px){
  .hero h2{font-size:30px}
  .hero-search{flex-direction:column;padding:12px}
  .hero-search input{width:100%;padding:12px;text-align:center}
  .hero-search-btn{width:100%;justify-content:center;border-radius:6px}
  .funeng-grid{grid-template-columns:1fr}
  .scene-systems{grid-template-columns:1fr}
  .scene-card{padding:22px 18px}
  .scene-top{flex-direction:column;align-items:flex-start;gap:14px}
  .adv-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .section,.pg-section{padding:48px 0}
  .integrity-head h2,.section-title h2,.pg-title h2{font-size:23.0px}
  .page-hero h1{font-size:27px}
  .card-grid{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .article-wrap{padding:24px 20px}
  .article-head h1{font-size:23px}
  .search-main{padding:22px 18px}
  .header .container{height:62px}
  .mobile-nav{top:62px}
  .logo-text .logo-name{font-size:17.5px}
  .logo-text p{font-size:9.0px}
}

/* ===== 检测系统入口区（entry） ===== */
.entry-sec{background:linear-gradient(180deg,var(--bg) 0%,#fff 100%);padding:56px 0 64px;border-bottom:1px solid var(--border)}
.entry-grid{display:flex;flex-wrap:wrap;gap:20px;justify-content:center}
.entry-card{width:calc((100% - 60px)/4);box-sizing:border-box;background:#fff;border:1px solid #e3ecfa;border-radius:12px;padding:16px 16px 20px;box-shadow:0 2px 10px rgba(7,91,249,.06);transition:all .3s ease;position:relative;overflow:hidden;display:block}
.entry-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--navy),var(--blue));opacity:0;transition:opacity .3s}
.entry-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(7,91,249,.13);border-color:var(--blue2)}
.entry-card:hover::before{opacity:1}
.entry-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.entry-logo{width:58px;height:58px;border-radius:12px;background:#fff;border:1px solid var(--border);box-shadow:0 1px 6px rgba(7,91,249,.06);display:flex;align-items:center;justify-content:center;overflow:hidden;flex-shrink:0}
.entry-logo img{width:100%;height:100%;object-fit:contain;padding:7px}
.entry-logo.entry-logo-text{background:linear-gradient(135deg,var(--navy),var(--navy2));border:none;color:#fff;font-family:'Noto Serif SC',serif;font-size:26px;font-weight:900}
.entry-card:nth-child(11) .entry-logo-text{background:linear-gradient(135deg,#0d5aa8,#2f8ce0)}
.entry-card:nth-child(12) .entry-logo-text{background:linear-gradient(135deg,#146b46,#2fa377)}
.entry-card h3{font-size:18.5px;color:var(--navy);font-weight:700;line-height:1.4;margin:0}
.entry-card:hover h3{color:var(--blue)}
.entry-card p{font-size:15.5px;color:var(--text-gray);line-height:1.8;text-align:left;margin:0}
.entry-note{display:flex;flex-wrap:wrap;justify-content:center;gap:18px;margin-top:28px}
.entry-note span{font-size:15px;color:var(--text-gray);display:inline-flex;align-items:center;gap:6px}.entry-note img, .entry-note svg{width:15px; height:15px; flex-shrink:0}
@media(max-width:1024px){.entry-card{width:calc((100% - 40px)/3)}}
@media(max-width:760px){.entry-card{width:calc((100% - 20px)/2)}}
@media(max-width:480px){.entry-card{width:100%}}
.ph-articles{background:linear-gradient(165deg,rgba(5,42,110,.90) 0%,rgba(5,42,110,.72) 45%,rgba(5,42,110,.48) 100%),url('../images/articles.jpg') no-repeat center bottom / cover}
.ph-search{background:linear-gradient(165deg,rgba(5,42,110,.90) 0%,rgba(5,42,110,.72) 45%,rgba(5,42,110,.48) 100%),url('../images/search.jpg') no-repeat center bottom / cover}

/* ===== 报告演示中心 ===== */
.report-hero-note{max-width:760px;margin:0 auto;text-align:center;color:rgba(255,255,255,.75);font-size:16.5px;line-height:1.9}
.rep-tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:28px}
.rep-tab{padding:8px 20px;border:1px solid var(--border);border-radius:20px;font-size:15px;color:var(--text-gray);background:#fff;cursor:pointer;transition:all .2s}
.rep-tab:hover,.rep-tab.active{color:#fff;background:linear-gradient(135deg,var(--navy),var(--navy2));border-color:var(--navy)}
.rep-panel{display:none}
.rep-panel.active{display:block;animation:fadeUp .4s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.rep-mock{background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);overflow:hidden;max-width:860px;margin:0 auto 20px;text-align:left}
.rep-mock-head{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;padding:18px 26px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.rep-mock-head h3{color:#fff;font-size:18.5px}
.rep-mock-head span{font-size:14px;opacity:.8}
.rep-mock-body{padding:26px}
.rep-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:22px}
.rep-sum-cell{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:14px 16px}
.rep-sum-cell .k{font-size:14px;color:var(--text-gray);margin-bottom:6px}
.rep-sum-cell .v{font-size:26px;font-weight:900;color:var(--navy)}
.rep-sum-cell .v.red{color:var(--gold)}
.rep-sum-cell .v.ok{color:#2e8b57}
.rep-mock h4{font-size:15.5px;color:var(--navy);margin:18px 0 10px;padding-left:10px;border-left:3px solid var(--gold)}
.rep-para{font-size:15px;line-height:2;color:var(--text)}
.rep-para .hl{background:#fdecea;color:#c0392b;padding:1px 3px;border-radius:3px}
.rep-para .ref{color:var(--text-light);font-size:14px}
.rep-src{font-size:14px;color:var(--text-gray);line-height:1.9}
.rep-download{text-align:center;margin-top:8px}
.rep-download .dl-btn{display:inline-flex;align-items:center;gap:8px;padding:12px 34px;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;font-size:16px;font-weight:600;border-radius:8px;box-shadow:0 5px 18px rgba(7,91,249,.28);transition:all .25s}
.rep-download .dl-btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(7,91,249,.4)}
.rep-download .dl-note{display:block;margin-top:10px;font-size:14px;color:var(--text-light)}

/* ===== 真伪验证页 ===== */
.verify-form-card{max-width:680px;margin:0 auto;background:#fff;border:1px solid var(--border);border-radius:14px;padding:34px 30px;box-shadow:var(--shadow);text-align:left}
.verify-form-card label{display:block;font-size:15px;color:var(--navy);font-weight:600;margin-bottom:8px}
.verify-form-row{display:flex;gap:12px;flex-wrap:wrap}
.verify-form-row input{flex:1;min-width:220px;padding:13px 16px;border:1.5px solid var(--border);border-radius:8px;font-size:16px;outline:none;transition:border .2s}
.verify-form-row input:focus{border-color:var(--blue)}
.verify-form-row button{padding:13px 30px;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;border-radius:8px;font-size:16px;font-weight:600;box-shadow:0 4px 14px rgba(7,91,249,.25);white-space:nowrap}
.verify-msg{margin-top:14px;font-size:15px;line-height:1.8;display:none;padding:12px 16px;border-radius:8px}
.verify-msg.show{display:block}
.verify-msg.ok{background:#eef9f0;color:#256029;border:1px solid #cdebd2}
.verify-msg.info{background:var(--blue-l);color:var(--navy);border:1px solid #bcd7ff}
.verify-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:vs}
.vs-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:26px 22px;position:relative;box-shadow:var(--shadow);counter-increment:vs}
.vs-card::before{content:counter(vs);position:absolute;top:-16px;left:22px;width:34px;height:34px;background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;font-size:16.5px;font-weight:700;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 3px 8px rgba(5,60,190,.25)}
.vs-card h3{font-size:17.5px;color:var(--navy);margin-bottom:10px}
.vs-card p{font-size:15px;color:var(--text-gray);line-height:1.8}
.warn-box{background:#fff8f5;border:1px solid #f2d3c8;border-radius:12px;padding:22px 24px;margin-top:26px}
.warn-box h4{color:var(--gold);font-size:16.5px;margin-bottom:10px}
.warn-box ul{list-style:none}
.warn-box li{font-size:15px;color:var(--text);padding:6px 0 6px 22px;position:relative;line-height:1.7}
.warn-box li::before{content:'!';position:absolute;left:2px;top:6px;width:16px;height:16px;background:var(--gold);color:#fff;border-radius:50%;font-size:12.5px;display:flex;align-items:center;justify-content:center}
@media(max-width:760px){.verify-steps{grid-template-columns:1fr}.verify-form-row{flex-direction:column}.verify-form-row button{width:100%}}

/* ===== 报告演示：16 系统截图预览（demo tabs + 大图 + 弹窗） ===== */
.rep-demo-tabs{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0 30px;justify-content:center}
.rep-demo-tabs a{display:inline-block;padding:9px 18px;border:1px solid var(--border);border-radius:20px;color:var(--text-gray);font-size:15px;background:#fff;transition:all .25s;cursor:pointer;text-decoration:none;white-space:nowrap}
.rep-demo-tabs a:hover{border-color:var(--blue);color:var(--blue)}
.rep-demo-tabs a.active{background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;border-color:transparent;font-weight:600;box-shadow:0 4px 12px rgba(7,91,249,.25)}
.report-preview{background:#fff;border:1px solid var(--border);border-radius:14px;padding:30px 24px 24px;box-shadow:var(--shadow);text-align:center;min-height:200px}
.report-main-img{max-width:100%;max-height:280vh;border-radius:8px;box-shadow:0 4px 20px rgba(0,0,0,.08);cursor:zoom-in;display:block;margin:0 auto}
.report-tips{font-size:15px;color:var(--text-light);margin-top:16px}
.img-modal{position:fixed;inset:0;background:rgba(10,20,40,.9);display:none;align-items:center;justify-content:center;z-index:9999;padding:50px 24px;cursor:zoom-out}
.img-modal.open{display:flex}
.modal-img{max-width:100%;max-height:90vh;object-fit:contain;border-radius:6px;box-shadow:0 8px 40px rgba(0,0,0,.5)}
.modal-close{position:fixed;top:16px;right:24px;font-size:38px;color:#fff;cursor:pointer;line-height:1;z-index:10000;width:46px;height:46px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(255,255,255,.14);transition:all .25s;user-select:none}
.modal-close:hover{background:rgba(255,255,255,.3)}
/* ===== 报告指标解读 4 卡片 ===== */
.guide-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:28px}
.guide-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:26px 20px 22px;text-align:center;transition:all .3s;position:relative;overflow:hidden;box-shadow:0 2px 10px rgba(7,91,249,.05)}
.guide-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--navy),var(--blue));opacity:.85}
.guide-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(7,91,249,.12)}
.guide-card .ico{width:54px;height:54px;border-radius:14px;background:var(--blue-l);display:flex;align-items:center;justify-content:center;margin:0 auto 14px}.guide-card .ico img, .guide-card .ico svg, .guide-card .ico svg{width:27px; height:27px}
.guide-card h3{font-size:16.5px;color:var(--navy);margin-bottom:9px}
.guide-card p{font-size:15px;color:var(--text-gray);line-height:1.85;text-align:left;margin:0}
@media(max-width:1024px){.guide-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.guide-grid{grid-template-columns:1fr}.rep-demo-tabs a{padding:8px 14px;font-size:15px}}

/* ===== 检测入口价格卡（价格 + 说明 + 按钮） ===== */
.entry-card{display:flex;flex-direction:column}
.entry-card .entry-price{margin:2px 0 10px;color:#f3a717;font-size:30px;font-weight:800;line-height:1;letter-spacing:.5px;font-family:'Noto Serif SC',serif}
.entry-card .entry-price em{font-style:normal;font-size:15px;font-weight:600;color:var(--text-gray);font-family:'Microsoft YaHei',sans-serif;letter-spacing:0;margin-left:3px}
.entry-card .entry-btn{margin-top:16px;display:block;text-align:center;padding:11px 0;background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;border-radius:8px;font-size:16.5px;font-weight:600;transition:all .25s;box-shadow:0 3px 10px rgba(7,91,249,.18)}
.entry-card:hover .entry-btn{box-shadow:0 8px 18px rgba(7,91,249,.32);transform:translateY(-1px)}

/* ===== 系统标签栏+详情面板（check页） ===== */
.sys-tabs-bar{background:#f7f8fa;border:1px solid #e8e8e8;border-radius:12px;padding:20px 24px 14px;margin-bottom:24px;position:relative}
.sys-tabs-title{font-size:15.5px;font-weight:600;color:#1f2d40;margin-bottom:12px}
.sys-tabs-list{display:flex;flex-wrap:wrap;gap:10px}
.sys-tab{display:inline-flex;align-items:center;gap:7px;padding:7px 16px;border-radius:20px;border:1.5px solid #e0e0e0;background:#fff;font-size:15px;color:#333;cursor:pointer;transition:all .2s}
.sys-tab:hover{border-color:var(--blue);color:var(--blue)}
.sys-tab.active{border-color:var(--blue);background:#eef4ff;color:var(--blue);font-weight:600}
.st-logo{width:22px;height:22px;border-radius:5px;display:inline-flex;align-items:center;justify-content:center;font-size:12.5px;font-weight:700;color:#fff;flex-shrink:0}
.st-logo.red{background:#D32F2F}
.st-logo.orange{background:#F57C00}
.st-logo.blue{background:#1565C0}
.st-logo.darkred{background:#4A148C}
.st-logo.dark{background:#37474F}
.st-logo.green{background:#E65100}
.st-logo.blue2{background:#E64A19}
.st-logo.sky{background:#0288D1}
.st-logo.purple{background:#5D4037}
.st-logo.gray{background:#78909C}
.st-logo.teal{background:#00897B}
.st-logo.ggreen{background:#1DB954}
.sys-tabs-note{text-align:right;font-size:14px;color:#999;margin-top:10px}

/* 详情面板 */
.sys-detail{display:none;animation:fadeIn .3s ease}
.sys-detail.active{display:block}
.sys-detail-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:24px 28px}
.sys-detail-head{display:flex;align-items:center;gap:16px;margin-bottom:20px;padding-bottom:18px;border-bottom:1px solid #f0f0f0}
.sd-logo{width:52px;height:52px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;color:#fff;flex-shrink:0}
.sd-logo.red{background:linear-gradient(135deg,#B71C1C,#E53935)}
.sd-logo.orange{background:linear-gradient(135deg,#E65100,#FB8C00)}
.sd-logo.blue{background:linear-gradient(135deg,#0D47A1,#1976D2)}
.sd-logo.darkred{background:linear-gradient(135deg,#311B92,#6A1B9A)}
.sd-logo.dark{background:linear-gradient(135deg,#263238,#455A64)}
.sd-logo.green{background:linear-gradient(135deg,#BF360C,#F57C00)}
.sd-logo.blue2{background:linear-gradient(135deg,#BF360C,#E64A19)}
.sd-logo.sky{background:linear-gradient(135deg,#01579B,#03A9F4)}
.sd-logo.purple{background:linear-gradient(135deg,#3E2723,#6D4C41)}
.sd-logo.gray{background:linear-gradient(135deg,#607d8b,#90a4ae)}
.sd-logo.teal{background:linear-gradient(135deg,#1565c0,#3f7dff)}
.sd-logo.ggreen{background:linear-gradient(135deg,#00C853,#1DB954)}
.sd-info h3{font-size:20.5px;color:#1f2d40;margin-bottom:4px}
.sd-info p{font-size:15.5px;color:var(--text-gray);line-height:1.6}
.sd-versions{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.sd-version{background:#fafbfc;border:1px solid #e8e8e8;border-radius:10px;padding:18px 20px;display:flex;flex-direction:column;transition:all .2s}
.sd-version:hover{border-color:var(--blue);box-shadow:0 4px 16px rgba(7,91,249,.1);transform:translateY(-2px)}
.sdv-name{font-size:16.5px;font-weight:700;color:#1f2d40;margin-bottom:4px}
.sdv-fit{font-size:15px;color:var(--text-gray);margin-bottom:12px}
.sdv-price{font-size:24px;font-weight:800;color:#e0900e;margin-bottom:14px}
.sdv-price span{font-size:15px;font-weight:500;color:var(--text-gray)}
.sdv-btn{margin-top:auto;display:block;text-align:center;padding:9px 0;background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;border-radius:6px;font-size:15.5px;font-weight:500}
.sd-version:hover .sdv-btn{box-shadow:0 4px 12px rgba(7,91,249,.3)}
@media(max-width:640px){
  .sys-detail-card{padding:16px}
  .sd-versions{grid-template-columns:1fr}
  .sys-tabs-note{text-align:left}
}

/* ===== 文章列表页 Tab切换 ===== */
.art-tabs{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:22px;border-bottom:2px solid var(--bg);padding-bottom:0}
.art-tab{padding:10px 16px;font-size:15.5px;color:var(--text-gray);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .2s;font-weight:500;background:none;border-top:none;border-left:none;border-right:none}
.art-tab:hover{color:var(--blue)}
.art-tab.active{color:var(--blue);border-bottom-color:var(--blue);font-weight:600}
.art-panel{display:none}
.art-panel.active{display:block;animation:fadeIn .3s ease}.st-logo.img{background:#37474f}.st-logo.ai{background:#6a1b9a}.st-logo.pb{background:#00695c}.st-logo.tr{background:#c62828}
.sd-logo.img{background:linear-gradient(135deg,#37474f,#546e7a)}
.sd-logo.ai{background:linear-gradient(135deg,#0b3d91,#075bf9)}
.sd-logo.pb{background:linear-gradient(135deg,#004d40,#00897b)}
.sd-logo.tr{background:linear-gradient(135deg,#b71c1c,#e53935)}

/* AI写论文功能区 */
.ai-features{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:10px;margin-top:18px;padding-top:18px;border-top:1px dashed var(--border)}
.ai-feature{font-size:15px;color:var(--text-gray);line-height:1.6}
.ai-feature b{color:#1f2d40;margin-right:6px}
@media(max-width:640px){.ai-features{grid-template-columns:1fr}}

/* ===== 知网风格卡片式系统入口（check页） ===== */
.ns-card{background:#fff;border-radius:16px;box-shadow:0 2px 20px rgba(7,91,249,.08);margin-bottom:24px;overflow:hidden;position:relative}
.ns-card-title{display:inline-block;background:linear-gradient(135deg,#075bf9,#42a5f5);color:#fff;font-size:17.5px;font-weight:700;padding:12px 32px;border-radius:0 0 12px 0;position:relative}
.ns-card-title::after{content:'';position:absolute;right:-20px;top:0;border-style:solid;border-width:0 0 38px 20px;border-color:transparent transparent #42a5f5 transparent}
.ns-card-body{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px;padding:28px 24px 24px}
.fn-item{display:flex;flex-direction:column;align-items:center;text-align:center;padding:20px 12px;border-radius:12px;transition:all .25s}
.fn-item:hover{background:#f4f8ff;transform:translateY(-3px)}
.fn-icon{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:19.5px;font-weight:700;margin-bottom:12px;box-shadow:0 4px 12px rgba(0,0,0,.12)}
.fn-name{font-size:16.5px;font-weight:700;color:#1f2d40;margin-bottom:6px}
.fn-desc{font-size:14px;color:var(--text-gray);line-height:1.5;margin-bottom:8px}
.fn-price{font-size:15px;font-weight:700;color:#e0900e}
@media(max-width:768px){
  .ns-card-body{grid-template-columns:repeat(2,1fr);padding:16px 12px}
  .ns-card-title{padding:10px 20px;font-size:16.5px}
}
@media(max-width:480px){
  .ns-card-body{grid-template-columns:1fr}
}

/* ===== 严格按知网个人查重服务页布局（check页） ===== */
.kn-section{background:linear-gradient(180deg,#0a3d91 0%,#1565c0 40%,#42a5f5 100%);padding:40px 0 60px}

/* 介绍卡片 */
.kn-intro{background:linear-gradient(135deg,#ffffff 0%,#f0f6ff 100%);border-radius:16px;display:flex;align-items:center;padding:32px 36px;margin-bottom:24px;box-shadow:0 8px 32px rgba(0,0,0,.12)}
.kn-intro-main{flex:1;padding-right:20px}
.kn-intro-tag{display:inline-block;background:linear-gradient(135deg,#5e35b1,#7b1fa2);color:#fff;font-size:19.5px;font-weight:700;padding:10px 28px;border-radius:8px;margin-bottom:16px;position:relative}
.kn-intro-tag::after{content:'';position:absolute;left:0;bottom:-10px;border-style:solid;border-width:10px 12px 0 0;border-color:#7b1fa2 transparent transparent transparent}
.kn-tag-purple{background:linear-gradient(135deg,#5e35b1,#9c27b0)}
.kn-intro-text{font-size:16px;color:#37474f;line-height:1.8;margin-bottom:18px;text-align:justify}
.kn-intro-tags{display:flex;flex-wrap:wrap;gap:12px}
.kn-intro-tags span{border:1.5px solid #7b1fa2;color:#5e35b1;font-size:15px;padding:8px 20px;border-radius:20px;background:#fff}
.kn-intro-visual{width:220px;flex-shrink:0;display:flex;align-items:center;justify-content:center}
.kn-intro-alt{flex-direction:row-reverse}
.kn-intro-alt .kn-intro-main{padding-right:0;padding-left:20px}

/* 功能卡片 */
.kn-card{background:#fff;border-radius:16px;margin-bottom:24px;overflow:hidden;box-shadow:0 8px 32px rgba(0,0,0,.12)}
.kn-card-title{background:linear-gradient(180deg,#075bf9,#42a5f5);color:#fff;text-align:center;font-size:19.5px;font-weight:700;padding:14px 0;position:relative}
.kn-card-title::before,.kn-card-title::after{content:'';position:absolute;top:0;width:0;height:0;border-style:solid}
.kn-card-title::before{left:0;border-width:28px 28px 0 0;border-color:#075bf9 transparent transparent transparent}
.kn-card-title::after{right:0;border-width:28px 0 0 28px;border-color:#075bf9 transparent transparent transparent}
.kn-card-body{display:flex;justify-content:space-around;align-items:flex-start;padding:36px 24px}
.kn-fn{display:flex;flex-direction:column;align-items:center;text-align:center;flex:1;padding:10px;transition:all .25s}
.kn-fn:hover{transform:translateY(-4px)}
.kn-fn-icon{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:19.5px;font-weight:700;margin-bottom:14px;box-shadow:0 4px 16px rgba(0,0,0,.15)}
.kn-fn h4{font-size:17.5px;font-weight:700;color:#1f2d40;margin-bottom:8px}
.kn-fn p{font-size:14px;color:#607d8b;line-height:1.5;max-width:160px}

/* 两列并排 */
.kn-row{display:flex;gap:24px;margin-bottom:24px}
.kn-card-half{flex:1;margin-bottom:0}
.kn-card-half .kn-card-body{flex-wrap:wrap;gap:16px}
.kn-card-half .kn-fn{flex:0 0 calc(50% - 8px)}

@media(max-width:900px){
  .kn-intro{flex-direction:column;padding:24px}
  .kn-intro-alt{flex-direction:column}
  .kn-intro-visual{width:160px;margin-top:16px}
  .kn-intro-main,.kn-intro-alt .kn-intro-main{padding:0}
  .kn-card-body{flex-wrap:wrap;gap:20px}
  .kn-fn{flex:0 0 calc(33% - 10px)}
  .kn-row{flex-direction:column}
}
@media(max-width:600px){
  .kn-fn{flex:0 0 calc(50% - 10px)}
  .kn-card-half .kn-fn{flex:0 0 100%}
  .kn-card-title{font-size:17.5px}
}

/* 场景快速引导条 */
.kn-quicktip{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;margin-bottom:24px;padding:14px 20px;background:rgba(255,255,255,.12);border-radius:12px;backdrop-filter:blur(4px)}
.kn-quicktip span{color:#e3f2fd;font-size:15.5px}
.kn-quicktip a{color:#fff;font-weight:700;text-decoration:underline;text-underline-offset:3px}
.kn-quicktip a:hover{color:#ffd54f}
@media(max-width:600px){
  .kn-quicktip{gap:12px;font-size:15px}
}

/* FAQ两列布局 */
.faq-two-col{display:grid;grid-template-columns:1fr 1fr;gap:0 32px}
.faq-col .faq-item{border-bottom:1px solid var(--border)}
@media(max-width:768px){
  .faq-two-col{grid-template-columns:1fr}
}

/* footer深蓝科技感底图 */
.footer{
  background:
    radial-gradient(ellipse at 20% 0%, rgba(7,91,249,.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(66,165,245,.1) 0%, transparent 50%),
    linear-gradient(180deg, #0a1628 0%, #0d1f3c 50%, #0a1628 100%);
  position:relative;
  overflow:hidden;
}
.footer::before{
  content:'';
  position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg, transparent, #42a5f5, transparent);
}
.footer::after{
  content:'';
  position:absolute;bottom:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg, transparent, #1565c0, transparent);
}
.footer-grid{position:relative;z-index:1}
.footer-bottom{position:relative;z-index:1;border-top:1px solid rgba(255,255,255,.08)}

/* kn-section底图 */
.kn-section{
  background:url('../images/kn-bg.jpg') center top / cover no-repeat, linear-gradient(180deg,#0a3d91,#1565c0);
  position:relative;
  overflow:hidden;
}
.kn-section .container{position:relative;z-index:1}

/* 卡片设计升级 */
.kn-card{box-shadow:0 4px 24px rgba(0,0,0,.15);border-radius:12px}
.kn-card-title{font-size:18.5px;padding:16px 0;letter-spacing:1px}
.kn-card-title::before{border-width:32px 32px 0 0;border-color:#075bf9 transparent transparent transparent}
.kn-card-title::after{border-width:32px 0 0 32px;border-color:#075bf9 transparent transparent transparent}
.kn-card-body{padding:32px 24px 28px;gap:12px}
.kn-fn{padding:16px 12px;border-radius:10px;transition:all .3s ease}
.kn-fn:hover{background:#f0f6ff;transform:translateY(-4px);box-shadow:0 8px 24px rgba(7,91,249,.12)}
.kn-fn-icon{width:60px;height:60px;font-size:22px;margin-bottom:14px;box-shadow:0 6px 20px rgba(0,0,0,.18);border:3px solid #fff}
.kn-fn h4{font-size:17.5px;margin-bottom:6px}
.kn-fn p{font-size:15px;line-height:1.5}

/* 横向品牌卡片风格 */
.sys-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:24px}
.sys-card{display:block;border:2px solid #e8eef5;border-radius:10px;padding:20px 16px;text-align:center;transition:all .25s;background:#fff}
.sys-card:hover{border-color:#075bf9;box-shadow:0 4px 16px rgba(7,91,249,.12);transform:translateY(-2px)}
.sys-name{font-size:18.5px;font-weight:700;color:#1f2d40;margin-bottom:6px}
.sys-price{font-size:15px;color:#8899aa}
.kn-card-half .sys-grid{grid-template-columns:repeat(2,1fr);gap:12px;padding:20px}
.kn-card-half .sys-name{font-size:16.5px}
.ver-tags{display:flex;align-items:center;flex-wrap:wrap;gap:10px;padding:0 24px 20px}
.ver-label{font-size:15.5px;color:#607d8b;font-weight:500}
.ver-tag{display:inline-block;padding:7px 18px;border:1.5px solid #d0d8e0;border-radius:20px;font-size:15px;color:#455a64;transition:all .2s;background:#fff}
.ver-tag:hover{background:#075bf9;color:#fff;border-color:#075bf9}
@media(max-width:900px){
  .sys-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
  .sys-grid{grid-template-columns:1fr}
  .kn-card-half .sys-grid{grid-template-columns:1fr}
}

/* 品牌logo样式 */
.sys-logo{font-size:17.5px;margin-bottom:8px;min-height:24px}
.sys-logo b{font-size:18.5px;letter-spacing:-.5px}

/* logo图片样式 */
.sys-logo-img{height:48px;object-fit:contain;margin:8px auto 12px;display:block;max-width:80%}
.sys-logo-text{font-size:19.5px;font-weight:700;margin:12px 0 8px;min-height:24px}
.sys-card{padding:16px}

/* AIGC检测卡片 - 参考同行设计 */
.aigc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin:20px 0}
.aigc-card{background:#fff;border-radius:12px;padding:24px;border:1px solid #e8eef5;transition:all .3s;display:block}
.aigc-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(7,91,249,.12);border-color:#bbdefb}
.aigc-card-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.aigc-icon{width:44px;height:44px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0;border:1px solid #eef2f7;overflow:hidden}
.aigc-icon img{max-width:32px;max-height:32px;object-fit:contain}
.aigc-card h4{color:#1565c0;font-size:17.5px;font-weight:700;margin:0;line-height:1.3}
.aigc-card p{color:#6b7a8d;font-size:15px;line-height:1.6;margin:0}
.aigc-trust{display:flex;justify-content:center;gap:32px;margin-top:20px;padding-top:16px;border-top:1px solid #eef2f7;color:#5a6b7f;font-size:15px}
.kn-card-sub{text-align:center;color:#6b7a8d;font-size:15.5px;margin:-8px 0 20px}
@media(max-width:768px){.aigc-grid{grid-template-columns:repeat(2,1fr)}.aigc-trust{flex-direction:column;gap:8px;align-items:center}}

/* ============================================================
   选择检测系统 · 选项卡切换组件（参考"选择检测系统"版式）
   结构：标题 + 选项卡 + 左（技术介绍+模拟报告）+ 右（三大优势）
   ============================================================ */
.sel-sec{background:linear-gradient(180deg,#fdf1ec 0%,#fff6f2 52%,#fff 100%);padding:58px 0 66px;border-bottom:1px solid #f6e8e2}
.sel-box{background:#fff;border:1px solid #f2ddd5;border-radius:16px;box-shadow:0 10px 40px rgba(210,120,90,.10);overflow:hidden}
.sel-tabs{display:flex;flex-wrap:wrap;gap:10px;padding:20px 26px 0;border-bottom:1px solid #f6e8e2}
.sel-tab{padding:10px 26px;border:1.5px solid #f3d9a4;border-radius:8px;background:#fff;font-size:16px;color:#e0900e;font-weight:600;cursor:pointer;transition:all .25s;white-space:nowrap}
.sel-tab:hover{border-color:var(--blue);color:var(--blue)}
.sel-tab.active{background:linear-gradient(135deg,var(--navy),var(--blue));border-color:transparent;color:#fff;box-shadow:0 4px 14px rgba(7,91,249,.28)}
.sel-panels{position:relative}
.sel-panel{display:none;grid-template-columns:1.18fr .82fr;gap:30px;padding:28px 30px 32px;background:linear-gradient(135deg,#fdf4f0 0%,#fff8f5 60%,#fff 100%)}
.sel-panel.active{display:grid;animation:fadeUp .4s ease}
.sel-left{display:flex;flex-direction:column;gap:18px;min-width:0}
.sel-intro h3{font-size:22px;color:var(--navy);font-weight:800;margin-bottom:10px;font-family:'Noto Sans SC',sans-serif}
.sel-intro h3 span{color:var(--gold);font-size:15.5px;font-weight:600;margin-left:4px}
.sel-intro p{font-size:15.5px;color:var(--text-gray);line-height:1.95;margin-bottom:12px;text-align:justify}
.sel-intro ul{display:grid;grid-template-columns:1fr 1fr;gap:6px 16px}
.sel-intro ul li{font-size:15px;color:var(--text);padding-left:22px;position:relative;line-height:1.7}
.sel-intro ul li::before{content:'✓';position:absolute;left:0;top:2px;width:16px;height:16px;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;border-radius:50%;font-size:12px;display:flex;align-items:center;justify-content:center;font-weight:700}
/* 模拟检测报告 */
.sel-mock{background:#fff;border:1px solid #f0dcd4;border-radius:12px;overflow:hidden;box-shadow:0 6px 24px rgba(210,120,90,.10)}
.mock-head{background:linear-gradient(135deg,#0a3d91,#1565c0);color:#fff;padding:13px 20px;display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.mock-head b{font-size:16.5px;font-weight:700;letter-spacing:.5px}
.mock-head span{font-size:13px;opacity:.75}
.mock-body{position:relative;padding:22px 20px 20px;text-align:center;background:linear-gradient(180deg,#fff 0%,#fff9f6 100%)}
.mock-body::before{content:'';position:absolute;top:-40px;right:-40px;width:150px;height:150px;background:radial-gradient(circle,rgba(240,160,32,.10),transparent 70%);border-radius:50%}
.mock-num{font-size:44px;font-weight:900;color:#e07b1f;font-family:'Noto Serif SC',serif;line-height:1;position:relative;z-index:1}
.mock-num span{font-size:19.5px;color:var(--gold)}
.mock-label{font-size:14px;color:var(--text-gray);margin:6px 0 14px;position:relative;z-index:1}
.mock-items{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:16px;position:relative;z-index:1}
.mock-item{font-size:13px;color:#7a5c50;background:#fdf3ee;border:1px solid #f2ddd5;padding:4px 12px;border-radius:14px;white-space:nowrap}
.mock-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;position:relative;z-index:1}
.mock-btn{display:inline-flex;align-items:center;gap:6px;padding:9px 20px;background:linear-gradient(135deg,var(--gold),var(--gold2));color:#fff;border-radius:7px;font-size:15px;font-weight:600;transition:all .25s;box-shadow:0 3px 10px rgba(240,160,32,.3)}
.mock-btn:hover{transform:translateY(-2px);box-shadow:0 6px 16px rgba(240,160,32,.45)}
.mock-btn.ghost{background:#fff;color:var(--blue);border:1.5px solid var(--blue);box-shadow:none}
.mock-btn.ghost:hover{background:var(--blue-l)}
/* 右侧优势 */
.sel-right{display:flex;flex-direction:column;gap:14px}
.sel-right-head{display:flex;align-items:center;gap:10px;margin-bottom:2px}
.sel-right-head .sr-ico{width:40px;height:40px;display:flex;align-items:center;justify-content:center;flex-shrink:0;overflow:hidden}.sel-right-head .sr-ico img, .sel-right-head .sr-ico svg, .sr-ico svg{width:20px; height:20px}
.sel-right-head h3{font-size:19.5px;color:var(--navy);font-weight:800;font-family:'Noto Sans SC',sans-serif}
.sel-adv{background:#fff;border:1px solid #f0dcd4;border-left:4px solid var(--gold);border-radius:10px;padding:14px 18px;transition:all .25s}
.sel-adv:hover{box-shadow:0 6px 18px rgba(210,120,90,.12);transform:translateX(3px)}
.sel-adv.b{border-left-color:var(--blue)}
.sel-adv.g{border-left-color:#e0900e}
.sel-adv h4{font-size:16px;color:var(--navy);margin-bottom:5px;display:flex;align-items:center;gap:8px;font-family:'Noto Sans SC',sans-serif}
.sel-adv h4::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--gold);flex-shrink:0}
.sel-adv.b h4::before{background:var(--blue)}
.sel-adv.g h4::before{background:#e0900e}
.sel-adv p{font-size:14px;color:var(--text-gray);line-height:1.85}
/* 底部信任条 */
.sel-foot{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 26px;padding:16px 26px 20px;background:#fff;border-top:1px solid #f6e8e2}
.sel-foot span{font-size:14px;color:#a0684f;display:inline-flex;align-items:center;gap:6px}.sel-foot img, .sel-foot svg{width:14px; height:14px; flex-shrink:0}
@media(max-width:1024px){
  .sel-panel{grid-template-columns:1fr;gap:22px}
  .sel-right{border-top:1px dashed #f0dcd4;padding-top:10px}
}
@media(max-width:640px){
  .sel-tabs{flex-wrap:nowrap;overflow-x:auto;padding:16px 18px 10px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .sel-tabs::-webkit-scrollbar{display:none}
  .sel-tab{flex-shrink:0;padding:8px 18px;font-size:15px}
  .sel-panel{padding:20px 18px 24px}
  .sel-intro ul{grid-template-columns:1fr}
  .mock-num{font-size:36px}
  .mock-btn{padding:8px 16px;font-size:14px}
}

.kn-card-title{margin:0}
/* ===== 首页 Hero v4：严格对齐万方智搜结构 ===== */
.hero{background:linear-gradient(172deg,#edf1ff 0%,#f8f9ff 36%,#eef2ff 70%,#f9faff 100%);padding:76px 0 60px;position:relative;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-image:url("../images/e90dd3d3c9694a28b3d37dffcee99484.gif");background-repeat:no-repeat;background-size:100% 100%;background-position:center;opacity:1}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(7,91,249,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(7,91,249,.04) 1px,transparent 1px);background-size:48px 48px;-webkit-mask-image:radial-gradient(ellipse 85% 75% at 50% 25%,#000 25%,transparent 72%);mask-image:radial-gradient(ellipse 85% 75% at 50% 25%,#000 25%,transparent 72%)}
.hero::before{content:'';position:absolute;width:720px;height:720px;border-radius:50%;background:radial-gradient(circle,rgba(94,109,255,.13),transparent 62%);top:-300px;left:50%;transform:translateX(-50%)}
.hero::after{content:'';position:absolute;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(126,106,255,.10),transparent 62%);bottom:-180px;left:-120px}
.hero .container{position:relative;z-index:2}
/* ① 居中标语 */
.hero h1.hero-slogan{font-size:46px;font-weight:800;color:var(--navy);letter-spacing:1px;margin:0 0 16px;line-height:1.3}
.hero-slogan em{font-style:normal;background:linear-gradient(90deg,var(--blue),#5e6dff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{font-size:16.5px;color:#6b7a95;line-height:1.8;max-width:960px;margin:0 auto 26px}
/* ② 检索区 */
.hero-search-panel{max-width:1000px;margin:0 auto;background:#fff;border:1px solid #e0eafc;border-radius:18px;box-shadow:0 20px 50px rgba(7,91,249,.10);padding:20px 26px 16px}
.hst-tabs{display:flex;gap:4px;margin-bottom:10px;align-items:center;justify-content:flex-start}
.hst-tab{padding:8px 14px;border:none;border-radius:0;background:transparent;color:#5b6b85;font-size:16.5px;font-weight:600;cursor:pointer;transition:all .25s;border-bottom:2px solid transparent}
.hst-tab.active{color:var(--blue);border-bottom-color:var(--blue);background:none;box-shadow:none}
.hst-tab:not(.active):hover{color:var(--blue);background:transparent}
.hst-tab i{font-style:normal;font-size:12px;background:linear-gradient(135deg,#ff6a3d,#ff4d6d);color:#fff;border-radius:8px;padding:1px 5px;margin-left:4px;vertical-align:super}
.hero-search{display:flex;gap:0;position:relative;align-items:stretch;max-width:720px;margin:0;flex:0 1 720px}
.hero-search-row{display:flex;align-items:center;justify-content:center;gap:16px;max-width:880px;margin:0 auto}
.hst-select{position:relative;display:flex;align-items:center;gap:4px;background:#f3f7fe;border:1.5px solid #dce8fb;border-right:none;border-radius:10px 0 0 10px;padding:0 14px;cursor:pointer;min-width:104px;justify-content:space-between}
.hst-select-label{font-size:15px;color:var(--navy);font-weight:600;white-space:nowrap}.hst-select img, .hst-select svg{width:14px; height:14px}.hst-select.open img, .hst-select.open svg{transform:rotate(180deg)}
.hst-options{position:absolute;top:calc(100% + 6px);left:0;width:440px;background:#fff;border:1px solid #e0eafc;border-radius:12px;box-shadow:0 14px 34px rgba(7,91,249,.16);display:none;z-index:30;overflow:hidden;padding:10px;gap:4px}
.hst-select.open .hst-options{display:grid;grid-template-columns:repeat(3,1fr)}
.hst-option{padding:10px 6px;font-size:15px;color:var(--navy);cursor:pointer;transition:all .2s;white-space:nowrap;text-align:center;border-radius:8px}
.hst-option:hover{color:var(--blue);background:#eef4ff}
.hst-option.active{color:var(--blue);font-weight:600;background:#e8f1ff}
.hero-search-box{flex:1;display:flex;align-items:center;background:#f3f7fe;border:1.5px solid #dce8fb;border-radius:0;padding:0 16px;transition:border-color .25s}
.hero-search-box:focus-within{border-color:var(--blue);background:#fff}
.hero-search-box .search-ico{width:19px;height:19px;fill:var(--blue);flex-shrink:0}
.hero-search-box input{flex:1;border:none;outline:none;background:transparent;padding:13px 10px;font-size:16.5px;color:var(--navy)}
.hero-search-btn{display:inline-flex;align-items:center;gap:7px;background:linear-gradient(135deg,var(--blue),#3f7dff);color:#fff;border:none;padding:13px 28px;border-radius:0 10px 10px 0;font-size:16.5px;font-weight:600;cursor:pointer;transition:all .25s;box-shadow:0 8px 18px rgba(7,91,249,.25);white-space:nowrap}.hero-search-btn img, .hero-search-btn svg{width:17px; height:17px}
.hero-search-btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(7,91,249,.35)}
.hero-search-links{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:6px;padding:0;flex-shrink:0}
.hero-search-links a{font-size:14px;color:#6b7b99;text-decoration:none;white-space:nowrap;transition:color .2s}
.hero-search-links a:hover{color:var(--blue)}
.hero-search-links a:hover{color:var(--blue)}
.hero-hot{display:flex;align-items:center;gap:10px;margin-top:14px;flex-wrap:wrap}
.hero-hot>span:first-child{font-size:15px;color:#8a97ad}
.hero-hot .hero-tag{padding:4px 14px;background:#f3f7fe;border:1px solid #e0eafc;border-radius:16px;font-size:14px;color:var(--blue);cursor:pointer;transition:all .25s}
.hero-hot .hero-tag:hover{border-color:var(--blue);background:#fff;transform:translateY(-1px)}
/* 福利横幅 */
.hero-welfare{display:flex;align-items:center;justify-content:center;gap:8px;margin:26px auto 0;background:linear-gradient(135deg,#fff8ec,#fffdf6);border:1px solid #f3dfb0;border-radius:30px;padding:9px 26px;font-size:15px;color:#7a6420;max-width:fit-content;box-shadow:0 6px 18px rgba(240,160,32,.10)}.hero-welfare img, .hero-welfare svg{width:16px; height:16px; flex-shrink:0}
.hero-welfare a{color:#c07f10;font-weight:700;text-decoration:none}
.hero-welfare a:hover{text-decoration:underline}
/* ③ 系统图标（无卡片） */
.hero-sys{display:grid;grid-template-columns:repeat(8,1fr);gap:12px;margin-top:34px}
.hero-sys-item{display:flex;flex-direction:column;align-items:center;gap:9px;padding:8px 4px;transition:all .3s;border-radius:12px}
.hsi-ico{width:48px;height:48px;display:flex;align-items:center;justify-content:center;overflow:hidden}.hsi-ico img, .hsi-ico svg{width:24px; height:24px}
.hsi-ico img, .hsi-ico svg{width:28px;height:28px;object-fit:contain;border-radius:6px}
.hero-sys-item span:last-child{font-size:15px;font-weight:600;color:var(--navy)}
.hero-sys-item:hover{transform:translateY(-4px)}
.hero-sys-item:hover .hsi-ico{width:48px;height:48px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.hero-sys-item:hover span:last-child{color:var(--blue)}
/* ④ 特色服务 */
.hero-feat{display:flex;align-items:center;justify-content:center;gap:8px 18px;margin-top:30px;flex-wrap:wrap}
.hero-feat-item{font-size:15px;color:#55638a;text-decoration:none;transition:all .2s}
.hero-feat-item:hover{color:var(--blue)}
.hero-feat-label{font-size:15px;font-weight:700;color:var(--navy);margin-right:2px;position:relative;padding-right:14px}
.hero-feat-label::after{content:'';position:absolute;right:0;top:50%;transform:translateY(-50%);width:1px;height:14px;background:#d5e0f5}
.hero-feat span{font-size:15px;color:#55638a}
.hero-feat-more{font-size:15px;color:var(--blue);font-weight:600;text-decoration:none;transition:all .2s}
.hero-feat-more:hover{text-decoration:underline}
/* ⑤ 常用服务 */
.hero-svc{display:flex;align-items:center;justify-content:center;gap:8px 18px;margin-top:12px;flex-wrap:wrap}
.hero-svc-label{font-size:15px;font-weight:700;color:var(--navy);margin-right:2px;position:relative;padding-right:14px}
.hero-svc-label::after{content:'';position:absolute;right:0;top:50%;transform:translateY(-50%);width:1px;height:14px;background:#d5e0f5}
.hero-svc-item{font-size:15px;color:#55638a;text-decoration:none;transition:all .2s}
.hero-svc-item:hover{color:var(--blue)}
@media(max-width:900px){.hero-sys{grid-template-columns:repeat(4,1fr)}.hero-search-links{display:none}}
@media(max-width:560px){.hero h1.hero-slogan{font-size:32px}.hero-sys{grid-template-columns:repeat(2,1fr)}.hero-search{flex-direction:column}.hero-search-btn{justify-content:center;border-radius:10px}.hst-select{border-radius:10px;border-right:1.5px solid #dce8fb;padding:10px 12px}.hero-search-box{border-radius:10px}}


/* ===== Hero 重写 v17：完全对齐参考图（毕业在线网式） ===== */
.hero{position:relative;padding:52px 0 42px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-image:url("../images/e90dd3d3c9694a28b3d37dffcee99484.gif");background-size:100% 100%;background-repeat:no-repeat;z-index:0}
.hero-content{position:relative;z-index:1;max-width:1200px;margin:0 auto;padding:0 24px}
.hero-slogan{font-size:34px;font-weight:700;color:#0d2b56;text-align:center;letter-spacing:.5px;margin:0 0 26px;line-height:1.5}
.hero-slogan em{font-style:normal;color:#075bf9}
.hero-search-panel{max-width:1000px;margin:0 auto;background:rgba(255,255,255,.94);border:1px solid #e4ebf8;border-radius:16px;box-shadow:0 10px 36px rgba(7,91,249,.09);padding:18px 24px 18px}
.hst-tabs{display:flex;gap:20px;margin-bottom:12px;align-items:center}
.hst-tab{padding:5px 2px;border:none;background:transparent;color:#5b6b85;font-size:15.5px;font-weight:500;cursor:pointer;border-bottom:2px solid transparent;transition:color .2s,border-color .2s}
.hst-tab.active{color:#075bf9;font-weight:600;border-bottom-color:#075bf9}
.hst-tab:not(.active):hover{color:#075bf9}
.hst-tab i{font-style:normal;font-size:12px;color:#ff4d6d;background:rgba(255,77,109,.1);padding:1px 5px;border-radius:8px;margin-left:4px;vertical-align:1px}
.hero-search-row{display:flex;align-items:center;justify-content:center;gap:16px}
.hero-search{display:flex;align-items:center;background:#f4f7fd;border:1px solid #dde7f6;border-radius:12px;padding:6px 8px;flex:0 1 800px;position:relative;z-index:20;gap:4px}
.hst-select{position:relative;display:flex;align-items:center;gap:4px;padding:0 12px;min-width:92px;cursor:pointer;justify-content:space-between;color:#2b3a55;flex-shrink:0;border-right:1px solid #e2eaf8}
.hst-select-label{font-size:15.5px;font-weight:500;color:#2b3a55;white-space:nowrap}.hst-select img, .hst-select svg{width:14px; height:14px}.hst-select.open img, .hst-select.open svg{transform:rotate(180deg)}
.hst-options{position:absolute;top:calc(100% + 8px);left:0;width:440px;background:#fff;border:1px solid #e0eafc;border-radius:12px;box-shadow:0 14px 34px rgba(7,91,249,.16);display:none;z-index:30;overflow:hidden;padding:10px;gap:4px}
.hst-select.open .hst-options{display:grid;grid-template-columns:repeat(3,1fr)}
.hst-option{padding:9px 6px;font-size:15px;color:#2b3a55;cursor:pointer;transition:all .2s;white-space:nowrap;text-align:center;border-radius:8px}
.hst-option:hover{color:#075bf9;background:#eef4ff}
.hst-option.active{color:#075bf9;font-weight:600;background:#e8f1ff}
.hero-search-box{position:relative;flex:1;display:flex;align-items:center;min-width:0}
.hero-search-box .search-ico{width:18px;height:18px;fill:#a3aec4;flex-shrink:0}
.hero-search input{flex:1;min-width:0;padding:8px 10px;border:none;font-size:16.5px;outline:none;background:transparent}
.hero-search input::placeholder{color:#aab4c8}
.hero-search-btn{display:inline-flex;align-items:center;gap:6px;background:linear-gradient(135deg,#075bf9,#3f7dff);color:#fff;border:none;padding:11px 26px;border-radius:10px;font-size:16.5px;font-weight:600;cursor:pointer;transition:all .25s;box-shadow:0 6px 16px rgba(7,91,249,.25);white-space:nowrap;flex-shrink:0}
.hero-search-btn:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(7,91,249,.35)}.hero-search-btn img, .hero-search-btn svg{width:17px; height:17px}
.hero-search-links{display:flex;flex-direction:column;justify-content:center;gap:5px;flex-shrink:0}
.hero-search-links a{font-size:14px;color:#6b7b99;text-decoration:none;white-space:nowrap;transition:color .2s}
.hero-search-links a:hover{color:#075bf9}
.search-suggest{position:absolute;top:calc(100% + 8px);left:0;right:0;background:#fff;border-radius:12px;box-shadow:0 14px 34px rgba(7,91,249,.16);border:1px solid #e0eafc;display:none;z-index:40;max-height:340px;overflow:auto;padding:6px}
.search-suggest.show{display:block}
.suggest-group{font-size:14px;color:#8a97ad;padding:6px 12px 2px}
.suggest-item{display:flex;align-items:center;gap:8px;padding:9px 12px;border-radius:8px;cursor:pointer;font-size:15px;color:#2b3a55;transition:background .2s}
.suggest-item:hover{background:#eef4ff;color:#075bf9}
.suggest-empty{padding:14px 12px;font-size:15px;color:#8a97ad;text-align:center}
.hero-sys{display:grid;grid-template-columns:repeat(8,1fr);gap:10px;max-width:1000px;margin:22px auto 0}
.hero-sys-item{display:flex;flex-direction:column;align-items:center;gap:7px;padding:10px 4px;border-radius:12px;text-decoration:none;transition:all .2s}
.hero-sys-item:hover{background:rgba(255,255,255,.9);box-shadow:0 6px 18px rgba(7,91,249,.1)}
.hsi-ico{width:48px;height:48px;display:flex;align-items:center;justify-content:center;overflow:hidden}.hsi-ico img, .hsi-ico svg{width:24px; height:24px}
.hsi-ico img, .hsi-ico svg{width:28px;height:28px;object-fit:contain;border-radius:6px}
.hero-sys-item>span:last-child{font-size:14px;color:#2b3a55;font-weight:500;white-space:nowrap}
.hero-feat{display:flex;align-items:center;justify-content:center;gap:6px 16px;margin-top:18px;flex-wrap:wrap}
.hero-feat-label{font-size:15px;font-weight:700;color:#2b3a55;margin-right:2px}
.hero-feat-item{font-size:15px;color:#55638a;text-decoration:none;transition:color .2s}
.hero-feat-item:hover{color:#075bf9}
.hero-feat-more{font-size:15px;color:#075bf9;text-decoration:none}
.hero-svc{display:flex;align-items:center;justify-content:center;gap:6px 16px;margin-top:10px;flex-wrap:wrap}
.hero-svc-label{font-size:15px;font-weight:700;color:#2b3a55;margin-right:2px}
.hero-svc-item{font-size:15px;color:#55638a;text-decoration:none;transition:color .2s}
.hero-svc-item:hover{color:#075bf9}
@media(max-width:900px){.hero-sys{grid-template-columns:repeat(4,1fr)}.hero-search-links{display:none}}
@media(max-width:560px){.hero-slogan{font-size:26px}.hero-sys{grid-template-columns:repeat(2,1fr)}.hero-search-row{flex-direction:column}.hero-search{width:100%}.hero-search-btn{justify-content:center}}


/* ===== Hero v18：逐项对照参考图修正 ===== */
.hero-slogan{font-size:28px;font-weight:700;color:#0d2b56;text-align:center;letter-spacing:.5px;margin:0 0 22px;line-height:1.6}
.hero-slogan em{font-style:normal;color:inherit}
.hst-tabs{display:flex;gap:72px;margin-bottom:14px;align-items:center;padding-left:2px}
.hst-tab{padding:4px 2px;border:none;background:transparent;color:#5b6b85;font-size:15.5px;font-weight:500;cursor:pointer;border-bottom:2px solid transparent;transition:color .2s,border-color .2s}
.hst-tab.active{color:#075bf9;font-weight:600;border-bottom-color:#075bf9}
.hst-tab:not(.active):hover{color:#075bf9}
.hero-search-row{display:flex;align-items:center;justify-content:center;gap:18px}
.hero-search{display:flex;align-items:center;background:#f4f7fd;border:1px solid #dde7f6;border-radius:10px;padding:5px 6px;flex:0 1 860px;position:relative;z-index:20;gap:2px}
.hst-select{position:relative;display:flex;align-items:center;gap:3px;padding:0 12px;min-width:80px;cursor:pointer;justify-content:space-between;color:#2b3a55;flex-shrink:0;border-right:1px solid #e2eaf8}
.hst-select-label{font-size:15.5px;font-weight:500;color:#2b3a55;white-space:nowrap}
.hero-search input{flex:1;min-width:0;padding:8px 10px;border:none;font-size:15.5px;outline:none;background:transparent}
.hero-search input::placeholder{color:#aab4c8}
.hero-search-btn{display:inline-flex;align-items:center;gap:5px;background:linear-gradient(135deg,#075bf9,#3f7dff);color:#fff;border:none;padding:9px 18px;border-radius:8px;font-size:15.5px;font-weight:600;cursor:pointer;transition:all .25s;box-shadow:0 4px 12px rgba(7,91,249,.22);white-space:nowrap;flex-shrink:0}
.hero-search-btn:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(7,91,249,.32)}.hero-search-btn img, .hero-search-btn svg{width:15px; height:15px}
.hero-search-links{display:flex;flex-direction:column;justify-content:center;gap:4px;flex-shrink:0}
.hero-search-links a{font-size:14px;color:#6b7b99;text-decoration:none;white-space:nowrap;transition:color .2s}
.hero-search-links a:hover{color:#075bf9}
.hsi-ico{width:48px;height:48px;display:flex;align-items:center;justify-content:center;overflow:hidden}.hsi-ico img, .hsi-ico svg{width:22px; height:22px}
.hsi-ico img, .hsi-ico svg{width:26px;height:26px;object-fit:contain;border-radius:6px}
.hero-sys-item{gap:6px;padding:8px 4px}
.hero-sys-item>span:last-child{font-size:14px;color:#2b3a55;font-weight:500;white-space:nowrap}
.hero-feat{gap:6px 14px;margin-top:14px}
.hero-feat-label{font-size:14px;font-weight:700;color:#2b3a55}
.hero-feat-item{font-size:14px;color:#55638a;text-decoration:none;transition:color .2s}
.hero-feat-item:hover{color:#075bf9}
.hero-feat-more{font-size:14px;color:#075bf9;text-decoration:none}
.hero-svc{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:12px;flex-wrap:wrap}
.hero-svc-label{font-size:14px;font-weight:700;color:#2b3a55}
.hero-svc-item{display:inline-flex;align-items:center;justify-content:center;padding:7px 16px;background:#f2f6fd;border:1px solid #e2eaf8;border-radius:8px;font-size:15px;color:#3a4a6b;text-decoration:none;white-space:nowrap;transition:all .2s}
.hero-svc-item:hover{border-color:#075bf9;color:#075bf9;background:#fff;box-shadow:0 3px 10px rgba(7,91,249,.12)}
@media(max-width:900px){.hero-sys{grid-template-columns:repeat(4,1fr)}.hero-search-links{display:none}}
@media(max-width:560px){.hero-slogan{font-size:24px}.hero-sys{grid-template-columns:repeat(2,1fr)}.hero-search-row{flex-direction:column}.hero-search{width:100%}.hero-search-btn{justify-content:center}}


/* ===== Hero v18b：修复标语字号（覆盖旧高特异性规则） ===== */
.hero h1.hero-slogan{font-size:28px;font-weight:700;color:#0d2b56;text-align:center;letter-spacing:.5px;margin:0 0 22px;line-height:1.6}
.hero h1.hero-slogan em{font-style:normal;color:inherit}
.hero{padding-top:64px}


/* ===== Hero v19：压缩垂直间距，对齐参考图紧凑布局 ===== */
.hero{padding:46px 0 30px}
.hero h1.hero-slogan{font-size:28px;margin:0 0 10px;line-height:1.5}
.hero-search-panel{padding:12px 24px 12px}
.hst-tabs{gap:72px;margin-bottom:6px}
.hst-tab{padding:3px 2px;font-size:15.5px}
.hero-search-row{gap:16px}
.hero-search{flex:0 1 860px;padding:5px 6px}
.hero-sys{max-width:1100px;margin:14px auto 0;gap:8px}
.hero-sys-item{gap:5px;padding:6px 4px}
.hero-feat{margin-top:10px;gap:6px 14px}
.hero-feat-label,.hero-feat-item,.hero-feat-more{font-size:14px}
.hero-svc{margin-top:8px;gap:8px}
.hero-svc-item{padding:5px 16px;font-size:14px}


/* ===== Hero v20：分框卡片布局（每个板块独立框） ===== */
.hero{position:relative;padding:40px 0 30px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-image:url("../images/e90dd3d3c9694a28b3d37dffcee99484.gif");background-size:100% 100%;background-repeat:no-repeat;z-index:0}
.hero-content{position:relative;z-index:1;max-width:1200px;margin:0 auto;padding:0 24px}
.hero h1.hero-slogan{font-size:28px;font-weight:700;color:#fff;text-align:center;letter-spacing:.5px;margin:0 0 14px;line-height:1.5}
.hero h1.hero-slogan em{font-style:normal;color:inherit}
.hero-box{background:rgba(255,255,255,.95);border:1px solid #e3ebfa;border-radius:12px;box-shadow:0 4px 16px rgba(7,91,249,.05);padding:12px 20px}
.hero-search-panel{max-width:1800px;margin:0 auto}
.hero-sys-box{max-width:1800px;margin:12px auto 0}
.hero-feat-box{max-width:1600px;margin:12px auto 0}
.hero-svc-box{max-width:1600px;margin:12px auto 0}
.hst-tabs{display:flex;gap:10px;margin-bottom:6px;align-items:center;padding-left:2px}
.hst-tab{padding:3px 2px;border:none;background:transparent;color:#fff;font-size:15.5px;font-weight:500;cursor:pointer;border-bottom:2px solid transparent;transition:color .2s,border-color .2s}
.hst-tab.active{color:#fff;font-weight:600;border-bottom-color:#f18645}
.hst-tab:not(.active):hover{color:#f18645}
.hst-tab i{font-style:normal;font-size:12px;color:#ff4d6d;background:rgba(255,77,109,.1);padding:1px 5px;border-radius:8px;margin-left:4px;vertical-align:1px}
.hero-search-row{display:flex;align-items:center;justify-content:center;gap:16px}
.hero-search{display:flex;align-items:center;background:#f4f7fd;border:1px solid #dde7f6;border-radius:10px;padding:5px 6px;flex:0 1 860px;position:relative;z-index:20;gap:2px}
.hst-select{position:relative;display:flex;align-items:center;gap:3px;padding:6px 12px;min-width:80px;cursor:pointer;justify-content:space-between;color:#2b3a55;flex-shrink:0;border-right:1px solid #e2eaf8}
.hst-select-label{font-size:15.5px;font-weight:500;color:#2b3a55;white-space:nowrap}.hst-select img, .hst-select svg{width:14px; height:14px}.hst-select.open img, .hst-select.open svg{transform:rotate(180deg)}
.hst-options{position:absolute;top:calc(100% + 8px);left:0;width:440px;background:#fff;border:1px solid #e0eafc;border-radius:12px;box-shadow:0 14px 34px rgba(7,91,249,.16);display:none;z-index:30;overflow:hidden;padding:10px;gap:4px}
.hst-select.open .hst-options{display:grid;grid-template-columns:repeat(3,1fr)}
.hst-option{padding:9px 6px;font-size:15px;color:#2b3a55;cursor:pointer;transition:all .2s;white-space:nowrap;text-align:center;border-radius:8px}
.hst-option:hover{color:#f18645;background:#eef4ff}
.hst-option.active{color:#f18645;font-weight:600;background:#e8f1ff}
.hero-search-box{position:relative;flex:1;display:flex;align-items:center;min-width:0}
.hero-search-box .search-ico{width:18px;height:18px;fill:#a3aec4;flex-shrink:0}
.hero-search input{flex:1;min-width:0;padding:8px 10px;border:none;font-size:15.5px;outline:none;background:transparent}
.hero-search input::placeholder{color:#aab4c8}
.hero-search-btn{display:inline-flex;align-items:center;gap:5px;background:linear-gradient(135deg,#075bf9,#3f7dff);color:#fff;border:none;padding:9px 18px;border-radius:8px;font-size:15.5px;font-weight:600;cursor:pointer;transition:all .25s;box-shadow:0 4px 12px rgba(7,91,249,.22);white-space:nowrap;flex-shrink:0}
.hero-search-btn:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(7,91,249,.32)}.hero-search-btn img, .hero-search-btn svg{width:15px; height:15px}
.hero-search-links{display:flex;flex-direction:column;justify-content:center;gap:4px;flex-shrink:0}
.hero-search-links a{font-size:14px;color:#6b7b99;text-decoration:none;white-space:nowrap;transition:color .2s}
.hero-search-links a:hover{color:#075bf9}
.search-suggest{position:absolute;top:calc(100% + 8px);left:0;right:0;background:#fff;border-radius:12px;box-shadow:0 14px 34px rgba(7,91,249,.16);border:1px solid #e0eafc;display:none;z-index:40;max-height:340px;overflow:auto;padding:6px}
.search-suggest.show{display:block}
.suggest-group{font-size:14px;color:#8a97ad;padding:6px 12px 2px}
.suggest-item{display:flex;align-items:center;gap:8px;padding:9px 12px;border-radius:8px;cursor:pointer;font-size:15px;color:#2b3a55;transition:background .2s}
.suggest-item:hover{background:#eef4ff;color:#075bf9}
.suggest-empty{padding:14px 12px;font-size:15px;color:#8a97ad;text-align:center}
.hero-sys{display:grid;grid-template-columns:repeat(8,1fr);gap:8px}
.hero-sys-item{display:flex;flex-direction:column;align-items:center;gap:5px;padding:6px 4px;border-radius:12px;text-decoration:none;transition:all .2s}
.hero-sys-item:hover{background:#f2f7ff}
.hsi-ico{width:48px;height:48px;display:flex;align-items:center;justify-content:center;overflow:hidden}.hsi-ico img, .hsi-ico svg{width:22px; height:22px}
.hsi-ico img, .hsi-ico svg{width:26px;height:26px;object-fit:contain;border-radius:6px}
.hero-sys-item>span:last-child{font-size:14px;color:#2b3a55;font-weight:500;white-space:nowrap}
.hero-feat{display:flex;align-items:center;justify-content:center;gap:6px 16px;flex-wrap:wrap}
.hero-feat-label{font-size:14px;font-weight:700;color:#2b3a55}
.hero-feat-item{font-size:14px;color:#55638a;text-decoration:none;transition:color .2s}
.hero-feat-item:hover{color:#075bf9}
.hero-feat-more{font-size:14px;color:#075bf9;text-decoration:none}
.hero-svc{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap}
.hero-svc-label{font-size:14px;font-weight:700;color:#2b3a55}
.hero-svc-item{display:inline-flex;align-items:center;justify-content:center;padding:5px 16px;background:#f2f6fd;border:1px solid #e2eaf8;border-radius:8px;font-size:14px;color:#3a4a6b;text-decoration:none;white-space:nowrap;transition:all .2s}
.hero-svc-item:hover{border-color:#075bf9;color:#075bf9;background:#fff;box-shadow:0 3px 10px rgba(7,91,249,.12)}
.hero-svc-more{font-size:14px;color:#075bf9;text-decoration:none}
@media(max-width:900px){.hero-sys{grid-template-columns:repeat(4,1fr)}.hero-search-links{display:none}}
@media(max-width:560px){.hero-slogan{font-size:24px}.hero-sys{grid-template-columns:repeat(2,1fr)}.hero-search-row{flex-direction:column}.hero-search{width:100%}.hero-search-btn{justify-content:center}}


/* ===== Hero v20b：按钮防换行 + 整体紧凑 ===== */
.hero{padding:36px 0 24px}
.hero h1.hero-slogan{margin:0 0 30px}
.hero-box{padding:30px 18px}
.hero-sys-box{margin:30px auto 0}
.hero-feat-box{margin:25px auto 0}
.hero-svc-box{margin:25px auto 0}
.hero-svc{gap:6px}
.hero-svc-item{padding:5px 11px;font-size:14px}


/* ===== Hero v21：用户复刻版补充样式 ===== */
.hst-tab{position:relative;display:inline-flex;align-items:center;gap:5px}
.hst-ico{width:16px;height:16px;fill:#ed7d1a;flex:none}
.hst-new{position:absolute;top:-11px;right:-18px;font-style:normal;font-size:14px;line-height:1;padding:3px 7px;border-radius:8px;background:#ff4d4f;color:#fff;font-weight:700;box-shadow:0 2px 6px rgba(255,77,79,.35);white-space:nowrap}
.hero-search-links{display:flex;flex-direction:column;justify-content:center;gap:2px}
.hsl-arr{font-style:normal;margin-left:2px}
.hero-feat{display:flex;align-items:center;flex-wrap:wrap;gap:2px 6px}
.hero-feat-item{display:inline-flex;align-items:center;gap:4px}
.hfi-ico{width:15px;height:15px;flex:none}
.hero-svc{display:flex;flex-direction:column;gap:4px}
.hero-svc-head{display:flex;align-items:center;justify-content:space-between}
.hero-svc-items{display:flex;align-items:center;flex-wrap:wrap;gap:4px 8px}
.hero-svc-item{position:relative;display:inline-flex;align-items:center;gap:4px}
.svc-ico{width:15px;height:15px;flex:none}
.svc-new{position:absolute;top:-9px;right:-14px;font-style:normal;font-size:12px;line-height:1;padding:2px 5px;border-radius:7px;background:#ff4d4f;color:#fff;font-weight:600;transform:scale(.85);white-space:nowrap}
.hero-svc-more{display:inline-flex;align-items:center;gap:4px}
.svc-gear{width:15px;height:15px;fill:currentColor}

.hero-sys{margin-bottom:4px}
.hero-sys-box{max-width:1800px}
.hero-feat{margin-top:2px}
.hero-svc{flex-direction:column;gap:4px}
.hero-svc-head{width:100%;display:flex;align-items:center;justify-content:space-between}
.hero-svc-items{display:flex;align-items:center;flex-wrap:wrap;gap:4px 8px;width:100%}


/* ===== Hero v22：对齐修正（特色资源居中留白 / 左缘统一） ===== */
.hero-feat{justify-content:center;gap:3px 31px;flex-wrap:nowrap}
.hero-feat-label{font-size:14px;white-space:nowrap}
.hero-feat-item{font-size:14px;white-space:nowrap}
.hero-feat-more{font-size:14px;white-space:nowrap}
.hfi-ico{width:13px;height:13px}
.hero-svc-head{width:100%;display:flex;align-items:center;justify-content:space-between;padding-left:0}
.hero-svc-items{display:flex;align-items:center;flex-wrap:wrap;gap:4px 8px;width:100%;padding-left:0;justify-content:flex-start}
.hero-svc-label{font-size:14px;white-space:nowrap}
.hero-svc-item{font-size:14px}
.hero-svc-more{font-size:14px;white-space:nowrap}
.svc-ico{width:13px;height:13px}
.hst-tabs{padding-left:0}
.hero-sys{gap:6px}
.hsi-ico{width:48px;height:48px;display:flex;align-items:center;justify-content:center;overflow:hidden}


/* ===== Hero v23：搜索框融入 tab 板块（左对齐，仅搜索区） ===== */
.hero-search-row{justify-content:flex-start}
.hero-search{flex:0 1 860px}


/* ===== Hero v24：搜索区宣传语（按参考图） ===== */
.hero-search-tip{text-align:center;font-size:14px;color:#8a97ad;margin-top:8px;letter-spacing:.5px}
.hero-search-tip b{color:#075bf9;font-weight:600}


/* ===== Hero v25：搜索框与三个关键词融为一体（同一浅色组件） ===== */
.hst-tabs{background:#f4f7fd;padding:10px 20px 6px;border-radius:12px 12px 0 0;border:1px solid #dde7f6;border-bottom:none;margin-bottom:0}
.hero-search-row{background:#f4f7fd;padding:0 20px 14px;border:1px solid #dde7f6;border-top:none;border-radius:0 0 12px 12px;margin-top:0;justify-content:flex-start;gap:14px}
.hero-search{background:#fff;border:1px solid #dde7f6;border-radius:10px;flex:0 1 860px}
.hero-search-links a{color:#6b7b99}


/* ===== Hero v26：图标行与特色资源行之间画分隔线 ===== */
.hero-feat{border-top:1px solid #e3ebfa;padding-top:15px;margin-top:6px}


/* ===== Hero v27：只要一个搜索框，关键词在上方左边（简洁版） ===== */
.hero-search-panel{padding:14px 20px 16px;background:rgba(255,255,255,.95);border:1px solid #e3ebfa;border-radius:12px;box-shadow:0 4px 16px rgba(7,91,249,.05)}
.hst-tabs{background:transparent;border:none;padding:0;margin-bottom:10px;border-radius:0;gap:26px}
.hst-tab{padding:4px 2px;font-size:15.5px}
.hero-search{width:100%;background:#f4f7fd;border:1px solid #dde7f6;border-radius:10px;flex:none;gap:2px}


/* ===== Hero v27b：搜索框撑满面板 ===== */
.hero-search{max-width:none;width:100%}


/* ===== Hero v28：只有图标+特色区域保留背景框，其他无框 ===== */
.hero-search-panel{background:transparent;border:none;box-shadow:none;padding:0}
.hero-svc-box{background:transparent;border:none;box-shadow:none;padding:0 18px}
.hero-sys-box{background:rgba(255,255,255,.95);border:1px solid #e3ebfa;border-radius:12px;box-shadow:0 4px 16px rgba(7,91,249,.05);padding:22px 18px;margin-top:14px}
.hero-svc{margin-top:2px}


/* ===== CTA v32：我们的用户（参考图样式） ===== */
.cta{padding:56px 0}
.cta-users{display:flex;justify-content:center;gap:22px;flex-wrap:wrap;position:relative;z-index:1}
.cta-user{display:flex;flex-direction:column;align-items:center;gap:10px;width:132px;padding:20px 10px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);border-radius:12px;color:#fff;text-decoration:none;transition:all .25s}.cta-user img, .cta-user svg{width:34px; height:34px}
.cta-user span{font-size:15.5px;font-weight:500;white-space:nowrap}
.cta-user:hover{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.45);transform:translateY(-3px)}


/* ===== Footer v33：简化四块布局（关于我们/帮助/友情链接/二维码） ===== */
.footer-grid{grid-template-columns:1.6fr 1.1fr 1.2fr 1.4fr;gap:40px;padding-bottom:36px}
.footer-col h4{font-size:16.5px;margin-bottom:18px}
.footer-col ul li{padding:5px 0}
.footer-contact li{display:flex;align-items:center;gap:8px;font-size:15px;padding:6px 0;color:rgba(255,255,255,.82)}
.footer-qr{align-items:flex-start;justify-content:flex-end}


/* ===== 场景专区 v35：图文结合（左模拟报告界面 + 右信息） ===== */
.scene-card{display:flex;gap:28px;align-items:stretch}
.scene-mock{width:538px;flex-shrink:0;border-radius:14px;padding:22px;color:#fff;display:flex;flex-direction:column;gap:14px;box-shadow:0 10px 28px rgba(7,91,249,.16)}
.mock-brand{display:flex;align-items:center;gap:7px;font-size:15px;font-weight:600;opacity:.95}.mock-brand img, .mock-brand svg{width:15px; height:15px}
.mock-score{display:flex;flex-direction:column;gap:3px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.25);border-radius:12px;padding:16px 12px;text-align:center}
.mock-score em{font-size:44px;font-weight:800;font-style:normal;line-height:1.1}
.mock-score span{font-size:14px;opacity:.92}
.mock-bar{height:7px;background:rgba(255,255,255,.25);border-radius:4px;overflow:hidden}
.mock-bar i{display:block;height:100%;background:#fff;border-radius:4px}
.mock-btns{display:flex;gap:8px;margin-top:2px}
.mock-btns span{flex:1;text-align:center;font-size:14px;padding:8px 0;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.22);border-radius:8px;cursor:pointer;transition:background .2s}
.mock-btns span:hover{background:rgba(255,255,255,.3)}
.scene-info{flex:1;min-width:0}
@media (max-width:900px){.scene-card{flex-direction:column}.scene-mock{width:100%}}


/* ===== 场景专区 v36：红框区域换成场景插画（图片+指标叠层） ===== */
.scene-mock{position:relative;border-radius:14px;overflow:hidden;width:580pxpx;flex-shrink:0;box-shadow:0 10px 28px rgba(7,91,249,.16);aspect-ratio:4/3;background:#eef3fc}
.scene-mock img{width:100%;height:100%;object-fit:cover;display:block}
.mock-overlay{position:absolute;left:20px;bottom:381px;display:flex;flex-direction:column;gap:2px;background:rgba(10,26,51,.74);border:1px solid rgba(255,255,255,.22);border-radius:10px;padding:9px 16px;color:#fff;backdrop-filter:blur(4px)}
.mock-overlay em{font-size:27px;font-weight:800;font-style:normal;line-height:1.15}
.mock-overlay span{font-size:14px;opacity:.88}


/* ===== 场景专区 v36b：卡片不被拉伸 ===== */
.scene-mock{align-self:flex-start}


/* ===== Header v39：图片 logo ===== */
.logo-img{height:50px;width:auto;display:block}


/* ===== Hero 热门系统 new 角标 v42 ===== */
.hero-sys-item{position:relative}
.hsi-new{position:absolute;top:-9px;right:-6px;font-style:normal;font-size:13px;line-height:1;padding:3px 7px;border-radius:8px;background:linear-gradient(135deg,#ff4d4f,#ff7a45);color:#fff;font-weight:700;box-shadow:0 2px 6px rgba(255,77,79,.4);white-space:nowrap;z-index:2}


/* ===== new 角标强制放大 v42b ===== */
.hst-tabs .hst-tab .hst-new,
.hst-new{font-size:14px !important;transform:none !important;padding:3px 8px !important;top:-12px !important;right:-20px !important;border-radius:8px !important}


/* ===== 场景图片固定 580x480 v43 ===== */
.scene-mock{width:580px !important;aspect-ratio:29/24 !important}


/* ===== 赋能诚信学术 底图 v44 ===== */
.integrity{background:linear-gradient(180deg,rgba(255,255,255,.14) 0%,rgba(255,255,255,.06) 50%,rgba(247,249,252,.14) 100%),url('../images/integrity-bg.jpg') center/cover no-repeat}


/* ===== Hero 波浪底图替换 v45 ===== */
.hero-bg{background-image:url('../images/hero-bg.jpg') !important;background-size:cover !important;background-position:center bottom !important;background-repeat:no-repeat !important}


/* ===== 热门文章榜单 v47 ===== */
.side-hot{list-style:none;margin:0;padding:0;counter-reset:hot}
.side-hot li{counter-increment:hot;display:flex;align-items:flex-start;gap:10px;padding:10px 0;border-bottom:1px dashed var(--border)}
.side-hot li:last-child{border-bottom:none}
.side-hot li::before{content:counter(hot);flex-shrink:0;width:22px;height:22px;border-radius:6px;background:var(--blue-l);color:var(--blue);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:2px}
.side-hot li:nth-child(-n+3)::before{background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff}
.side-hot a{font-size:15px;color:var(--text);line-height:1.5;transition:color .2s}
.side-hot a:hover{color:var(--blue)}

/* ===== Hero vFinal2：大网站式白底（参考知网/万方官网配色：白底+蓝元素） ===== */
.hero-bg{background-color:#f0f5ff !important;background-image:url('../images/hero-bg.jpg') !important;background-size:cover !important;background-position:center bottom !important;background-repeat:no-repeat !important;opacity:1 !important}
.hero{background:linear-gradient(180deg,#ffffff 0%,#f6f9ff 55%,#ffffff 100%) !important}
.hero::before{background:radial-gradient(circle at 88% 6%,rgba(7,91,249,.06),transparent 55%) !important}
.hero::after{background:radial-gradient(circle at 8% 94%,rgba(240,160,32,.05),transparent 55%) !important}
.hero h1.hero-slogan{color:#fff !important}
.hero h1.hero-slogan em{background:linear-gradient(90deg,#075bf9,#3f7dff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{color:#6b7a95 !important}
.hero-badge{background:#f0f5ff !important;border-color:#dbe7fb !important;color:#075bf9 !important}


/* ===== Hero vFinal3：参考大型学术站（维普VPCS）左文右卡布局 ===== */
.hero-content{display:grid;grid-template-columns:1.85fr 1fr;gap:40px;align-items:center;text-align:left;max-width:1360px}
.hero-main{min-width:0}
.hero-main .hero-slogan{text-align:left}
.hero-main .hero-search-panel{max-width:100%}
.hero-main .hero-sys-box{max-width:100%}
.hero-main .hero-sys{justify-content:flex-start}
.hero-brand-card{position:relative;background:linear-gradient(160deg,#0b3d91 0%,#0a55c8 60%,#075bf9 100%);border-radius:20px;padding:28px 26px 24px;color:#fff;box-shadow:0 24px 55px rgba(11,61,145,.28);overflow:hidden;border:1px solid rgba(255,255,255,.14)}
.hbc-glow{position:absolute;top:-90px;right:-70px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(240,160,32,.35),transparent 62%)}
.hbc-top{position:relative;display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.hbc-logo{display:flex;align-items:center;gap:10px}
.hbc-logo-badge{width:42px;height:42px;border-radius:11px;background:linear-gradient(135deg,#f0a020,#f7c35e);color:#fff;font-size:22px;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 14px rgba(240,160,32,.4);flex-shrink:0}
.hbc-logo-txt strong{display:block;font-size:17px;font-weight:800;letter-spacing:.5px}
.hbc-logo-txt span{display:block;font-size:10.5px;color:rgba(255,255,255,.65);margin-top:2px;letter-spacing:.3px}
.hbc-tags{display:flex;flex-wrap:wrap;gap:6px;justify-content:flex-end}
.hbc-tag{font-size:11.5px;padding:4px 10px;border-radius:20px;border:1px solid rgba(255,255,255,.32);color:#fff;background:rgba(255,255,255,.10);white-space:nowrap}
.hbc-tag-b{background:rgba(255,255,255,.18)}
.hbc-tag-c{border-color:rgba(240,160,32,.6);color:#ffe9b0}
.hbc-mid{position:relative;margin:26px 0 18px}
.hbc-title{font-size:25px;font-weight:800;letter-spacing:.5px}
.hbc-sub{font-size:13.5px;color:rgba(255,255,255,.72);margin-top:8px;line-height:1.6}
.hbc-feats{position:relative;display:flex;flex-direction:column;gap:9px;margin-bottom:20px}
.hbc-feats span{font-size:14px;color:rgba(255,255,255,.9)}
.hbc-feats i{font-style:normal;display:inline-flex;width:18px;height:18px;border-radius:50%;background:rgba(240,160,32,.9);color:#fff;font-size:11px;align-items:center;justify-content:center;margin-right:8px}
.hbc-btn{position:relative;display:flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(135deg,#f0a020,#f7c35e);color:#5a3a00;font-size:15.5px;font-weight:700;border-radius:10px;padding:13px 0;text-decoration:none;box-shadow:0 8px 20px rgba(240,160,32,.35);transition:all .25s}
.hbc-btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(240,160,32,.45)}
.hbc-btn i{font-style:normal;font-size:18px;line-height:1}
@media(max-width:880px){.hero-content{grid-template-columns:1fr}.hero-side{display:none}}


/* ===== Hero vFinal4：幻灯轮播（参考大型学术站 banner 轮播） ===== */
.hero-slider{position:relative;width:100%}
.hero-slides{position:relative}
.hero-slide{display:none}
.hero-slide.hs-active{display:block;animation:hsFade .55s ease both}
.hero-slide:first-child.hs-active{display:grid;grid-template-columns:1.85fr 1fr;gap:40px;align-items:center}
@keyframes hsFade{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.hs-prev,.hs-next{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.95);border:1px solid #dbe6f8;box-shadow:0 6px 18px rgba(7,91,249,.12);color:#075bf9;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:30;transition:all .25s}
.hs-prev{left:-16px}.hs-next{right:-16px}
.hs-prev:hover,.hs-next:hover{background:#075bf9;color:#fff;box-shadow:0 8px 22px rgba(7,91,249,.35)}.hs-prev img, .hs-prev svg, .hs-next img, .hs-next svg{width:22px; height:22px}
.hs-dots{display:flex;justify-content:center;gap:8px;margin-top:22px}
.hs-dots span{width:9px;height:9px;border-radius:50%;background:#c9d8f0;cursor:pointer;transition:all .3s}
.hs-dots span.hs-on{width:26px;border-radius:5px;background:linear-gradient(90deg,#075bf9,#3f7dff)}
.hs-inner{display:grid;grid-template-columns:1.2fr 1fr;gap:44px;align-items:center;text-align:left;padding:8px 0}
.hs-left{min-width:0}
.hs-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;background:#eef4ff;border:1px solid #d7e6fc;border-radius:20px;font-size:14px;color:#075bf9;margin-bottom:18px}
.hs-badge-dot{width:7px;height:7px;border-radius:50%;background:linear-gradient(135deg,#f0a020,#f7c35e);display:inline-block}
.hs-title{font-size:40px;font-weight:900;color:#0d2b56;line-height:1.3;margin-bottom:16px;letter-spacing:.5px}
.hs-title span{background:linear-gradient(90deg,#075bf9,#3f7dff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hs-sub{font-size:16.5px;color:#6b7a95;line-height:1.9;max-width:560px;margin-bottom:26px}
.hs-actions{display:flex;gap:14px;margin-bottom:22px;flex-wrap:wrap}
.hs-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 30px;border-radius:10px;font-size:16px;font-weight:600;text-decoration:none;transition:all .25s;white-space:nowrap}
.hs-btn-main{background:linear-gradient(135deg,#075bf9,#3f7dff);color:#fff;box-shadow:0 8px 20px rgba(7,91,249,.28)}
.hs-btn-main:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(7,91,249,.4)}
.hs-btn-ghost{background:#fff;color:#075bf9;border:1.5px solid #c6d8f7}
.hs-btn-ghost:hover{border-color:#075bf9;background:#f5f9ff}
.hs-points{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:14.5px;color:#8a97ad}
.hs-points i{font-style:normal;color:#0f9d8a;font-weight:700;margin-right:5px}
.hs-visual{position:relative;display:flex;align-items:center;justify-content:center}
.hv-card{position:relative;width:100%;max-width:400px;background:#fff;border:1px solid #e3ebfa;border-radius:20px;box-shadow:0 24px 60px rgba(7,91,249,.13);padding:26px 26px 24px;overflow:hidden}
.hv-card::before{content:'';position:absolute;top:-70px;right:-70px;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(15,157,138,.12),transparent 62%)}
.hv-card-reduce::before{background:radial-gradient(circle,rgba(240,160,32,.14),transparent 62%)}
.hv-card-head{position:relative;display:flex;align-items:center;gap:12px;margin-bottom:20px}
.hv-ico{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.hv-ico img, .hv-ico svg{width:24px; height:24px}
.hv-ico-aigc{background:linear-gradient(135deg,#0f9d8a,#16b8a3)}
.hv-ico-reduce{background:linear-gradient(135deg,#e0900e,#f0a020)}
.hv-card-head strong{display:block;font-size:17px;color:#0d2b56;font-weight:800}
.hv-card-head div span{display:block;font-size:12.5px;color:#8a97ad;margin-top:2px}
.hv-meter{position:relative;margin-bottom:16px}
.hv-meter-num{font-size:52px;font-weight:900;color:#0f9d8a;line-height:1;margin-bottom:12px}
.hv-meter-num span{font-size:22px}
.hv-meter-bar{position:relative;height:10px;border-radius:6px;background:#edf2fa;overflow:hidden}
.hv-meter-bar i{position:absolute;left:0;top:0;bottom:0;border-radius:6px;background:linear-gradient(90deg,#0f9d8a,#16b8a3)}
.hv-meter-labels{display:flex;justify-content:space-between;font-size:12.5px;color:#8a97ad;margin-top:8px}
.hv-compare{position:relative;display:flex;flex-direction:column;gap:18px;margin-bottom:16px}
.hv-c-item span{display:block;font-size:13.5px;color:#8a97ad;margin-bottom:6px}
.hv-c-item b{font-size:26px;color:#c0392b;font-weight:800}
.hv-c-after b{color:#0f9d8a}
.hv-c-bar{position:relative;height:9px;border-radius:6px;background:#edf2fa;overflow:hidden}
.hv-c-bar i{position:absolute;left:0;top:0;bottom:0;border-radius:6px}
.hv-c-bar-red i{background:linear-gradient(90deg,#d2544a,#c0392b)}
.hv-c-bar-green i{background:linear-gradient(90deg,#0f9d8a,#16b8a3)}
.hv-tags{position:relative;display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.hv-tags span{font-size:12.5px;padding:5px 12px;border-radius:16px;background:#f2f6fd;border:1px solid #e0eafc;color:#55638a}
@media(max-width:1100px){.hs-inner{grid-template-columns:1fr}.hs-visual{display:none}}
@media(max-width:880px){.hero-slide:first-child.hs-active{grid-template-columns:1fr}.hero-side{display:none}.hs-title{font-size:28px}.hs-prev{left:-6px}.hs-next{right:-6px}}

/* Hero vFinal4 修正：hero-content 恢复块级，避免旧 grid 挤压轮播宽度 */
.hero-content{display:block !important;grid-template-columns:none !important}

.hs-prev:hover img, .hs-prev:hover svg,.hs-next:hover img, .hs-next:hover svg{filter:brightness(0) invert(1)}


/* 导航下拉 */
.nav-drop {
  position: relative;
}
.nav-sub {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: #fff;
  min-width: 140px;
  padding: 12px 0;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  z-index: 99;
}
.nav-sub a {
  display: block;
  padding: 10px 18px;
  color: #333;
  white-space: nowrap;
}
.nav-sub a:hover {
  background-color: #f2f6fc;
}
.nav-drop:hover .nav-sub {
  display: block;
}