:root{--ink:#152940;--muted:#6c8093;--line:#dfe8ef;--paper:#fff;--soft:#f4f9fd;--blue:#174f7d;--blue2:#dff1ff;--red:#e9575d;--orange:#f28c55;--violet:#6672de;--green:#20a57a;--shadow:0 18px 48px rgba(35,76,110,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif}a{color:inherit;text-decoration:none}button{font:inherit}img{max-width:100%;display:block}.container{width:min(1180px,calc(100% - 40px));margin:auto}.skip{position:fixed;left:12px;top:-60px;z-index:30;padding:10px 14px;color:#fff;background:var(--blue)}.skip:focus{top:12px}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);border-bottom:1px solid rgba(210,223,233,.9);backdrop-filter:blur(14px)}
/* ========== 顶部Banner（导航上方大图） ========== */
.top-banner-wrap{
  width:100%;
  padding:1px 0;
}
.top-banner-wrap img{
  max-width: 1240px;   /* PC最大宽度，改这里调长短 */
  width: auto !important;
  max-height: none !important;
  height: auto;
  object-fit:contain;
  display:block;
  margin:0 auto;
}
/*手机端*/
@media(max-width:600px){
  .top-banner-wrap{
    padding:4px 0;
  }
  .top-banner-wrap img{
    max-width: calc(100% - 30px);
  }
}
    /* ========== 红色导航栏【修改：外层100%铺满屏幕】 ========== */
    .main-nav-wrap{
      width: 100%;
      background: var(--red);
      padding:1px 0;
    }
    .main-nav{
      max-width: 1240px;
      margin: 0 auto;
      border-radius:12px;
      overflow:hidden;
    }
    .main-nav ul{
      display:flex;
      list-style:none;
      margin:0;
      padding:0;
    }
    .main-nav li{
      flex-shrink:0;
    }
    .main-nav a{
      display:block;
      color:#fff;
      font-size:18px;
      padding:16px 24px;
      white-space:nowrap;
      transition:0.2s;
    }
    .main-nav a:hover{
      background:#a00a14;
    }
    /* 移动端导航横向滚动 */
    @media (max-width:992px){
      .main-nav{
        width:100%;
        padding:0 12px;
      }
      .main-nav ul{
        overflow-x:auto;
        scrollbar-width:none;
      }
      .main-nav ul::-webkit-scrollbar{
        display:none;
      }
      .main-nav a{
        font-size:16px;
        padding:14px 18px;
      }
    }
.hero{position:relative;min-height:530px;overflow:hidden;background:radial-gradient(circle at 80% 22%,rgba(255,255,255,.9),transparent 26%),linear-gradient(120deg,#eaf6ff 0,#d9edff 52%,#edf7ff 100%)}.hero:after{content:"";position:absolute;right:-100px;top:-210px;width:560px;height:560px;border:70px solid rgba(255,255,255,.48);border-radius:50%}.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:60px;min-height:530px}.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;padding:7px 10px;color:#d94b53;background:rgba(255,255,255,.78);border:1px solid rgba(233,87,93,.20);border-radius:5px;font-size:13px;font-weight:700}.hero h1{max-width:700px;margin:0;font-size:48px;line-height:1.15;letter-spacing:-.04em;text-wrap:balance}.hero h1 em{color:var(--red);font-style:normal}.hero-copy>p{max-width:640px;margin:20px 0 0;color:#526b80;font-size:16px;line-height:1.9}.hero-actions{display:flex;align-items:center;gap:14px;margin-top:30px}.primary,.secondary{display:inline-flex;min-height:48px;align-items:center;justify-content:center;padding:0 24px;border-radius:7px;font-weight:700;transition:.22s}.primary{color:#fff;background:linear-gradient(90deg,var(--red),#ed7561);box-shadow:0 10px 24px rgba(225,74,83,.22)}.secondary{color:#c7434a;background:#fff;border:1px solid #f0b5b8}.primary:hover,.secondary:hover{transform:translateY(-2px)}.hero-notes{display:flex;gap:18px;margin-top:25px;color:#587187;font-size:12px}.hero-notes span:before{content:"✓";margin-right:6px;color:var(--green);font-weight:900}.hero-art{position:relative;min-height:390px}.orbital{position:absolute;left:50%;top:54%;width:390px;height:150px;background:rgba(255,255,255,.62);border:24px solid rgba(255,255,255,.82);border-radius:50%;box-shadow:0 30px 65px rgba(47,116,164,.18),inset 0 -12px 0 rgba(233,87,93,.84);transform:translate(-50%,-50%)}.paper-card{position:absolute;left:50%;top:45px;width:185px;height:235px;padding:28px 23px;color:#fff;background:linear-gradient(155deg,#ff805f,#e84956);border-radius:18px 35px 40px 20px;box-shadow:0 30px 55px rgba(204,60,71,.30);transform:translateX(-50%) rotate(5deg)}.paper-card strong{display:block;font-size:26px;font-style:italic}.paper-card span{display:block;margin-top:8px;font-size:17px;font-weight:700}.paper-card i{display:block;margin-top:55px;padding-top:15px;border-top:1px solid rgba(255,255,255,.4);font-size:11px;font-style:normal;line-height:1.7}.float-tag{position:absolute;z-index:3;padding:11px 15px;color:#fff;background:#ef7180;border:1px solid rgba(255,255,255,.5);border-radius:7px;box-shadow:0 12px 28px rgba(49,89,124,.12);font-size:13px;font-weight:700}.tag-1{left:0;top:95px}.tag-2{right:0;top:145px}.tag-3{right:45px;bottom:45px;background:#f2a24d}.product-shell{position:relative;z-index:4;margin-top:-42px}.product-panel{padding:34px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:24px}.section-head small{display:block;margin-bottom:7px;color:var(--red);font-size:12px;font-weight:800;letter-spacing:.12em}.section-head h2{margin:0;font-size:31px;letter-spacing:-.03em}.section-head p{max-width:640px;margin:8px 0 0;color:var(--muted);line-height:1.75}.product-total{color:var(--red);font-size:14px;font-weight:700}.product-tabs{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-bottom:22px}.product-tab{padding:15px 17px;text-align:center;color:#51697d;background:#fff;border:1px solid var(--line);border-radius:9px;cursor:pointer;transition:.2s}.product-tab b{display:block;font-size:16px}.product-tab span{display:block;margin-top:3px;color:#8392a0;font-size:12px}.product-tab.active{color:var(--red);background:#dff1ff;border-color:#4096dd;box-shadow:inset 0 0 0 1px #4096dd}.product-tab:focus-visible,.product-card a:focus-visible{outline:3px solid rgba(24,101,158,.28);outline-offset:2px}.product-state{min-height:310px}.loading-grid,.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.skeleton{height:230px;background:linear-gradient(90deg,#f2f5f7 25%,#f8fafb 38%,#f2f5f7 60%);background-size:400% 100%;border-radius:12px;animation:pulse 1.4s infinite}@keyframes pulse{to{background-position:-100% 0}}.product-card{position:relative;display:flex;min-height:255px;flex-direction:column;padding:22px;background:#fff;border:1px solid var(--line);border-radius:12px;transition:.22s}.product-card:hover{border-color:#4096dd;box-shadow:0 14px 30px rgba(64,150,221,.09);transform:translateY(-3px)}.product-card .audience{color:var(--muted);font-size:12px;font-weight:500}.product-card h3{margin:10px 0 8px;font-size:21px;line-height:1.4}.product-card .desc{display:-webkit-box;overflow:hidden;margin:0 0 18px;color:#728396;font-size:13px;line-height:1.7;-webkit-box-orient:vertical;-webkit-line-clamp:3}.product-card footer{display:flex;align-items:end;justify-content:space-between;margin-top:auto;padding-top:14px;border-top:1px solid #edf1f4}.price{color:#d8464d;font-size:24px;font-weight:900}.price small{font-size:13px}.detect-link{padding:10px 15px;color:#fff;background:linear-gradient(90deg,var(--blue),#2872c4);border-radius:6px;font-size:13px;font-weight:700}.empty-state{padding:60px 20px;color:#74879a;background:#f7fafc;border-radius:12px;text-align:center}.error-state{padding:35px;color:#a83f45;background:#fff5f5;border:1px solid #f4c8cb;border-radius:12px;text-align:center}.helper{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:22px;padding:16px 18px;color:#546d81;background:#f1f8fd;border-radius:9px;font-size:13px}.helper b{color:var(--blue)}.helper a{color:var(--red);font-weight:700}.disclaimer-text{margin-top:14px;font-size:12px;color:#8899aa;line-height:1.6}.core-products{padding:96px 0 30px}.center-head{max-width:780px;margin:0 auto 42px;text-align:center}.center-head small{color:var(--red);font-size:12px;font-weight:800;letter-spacing:.14em}.center-head h2{margin:10px 0 12px;font-size:36px}.center-head p{margin:0;color:var(--muted);line-height:1.85}.capability{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:62px;margin:28px 0;padding:44px;background:#fff;border:1px solid var(--line);border-radius:20px}.capability:nth-of-type(even) .capability-copy{order:2}.capability:nth-of-type(even) .capability-visual{order:1}.capability-copy .cap-no{color:var(--red);font-size:12px;font-weight:900;letter-spacing:.15em}.capability-copy h3{margin:12px 0 14px;font-size:30px}.capability-copy>p{margin:0;color:#63798d;line-height:1.9}.feature-list{display:grid;gap:15px;margin-top:25px}.feature{position:relative;padding-left:24px}.feature:before{content:"";position:absolute;left:2px;top:8px;width:9px;height:9px;background:#f1a4a7;transform:rotate(45deg)}.feature b{display:block;margin-bottom:3px;font-size:16px}.feature span{color:#6d8194;font-size:13px;line-height:1.65}.capability-visual{position:relative;min-height:365px;padding:46px;background:#fff0f0;border-radius:16px;overflow:hidden}.capability.aigc .capability-visual{background:#eef0ff}.capability.review .capability-visual{background:#eaf6ff}.capability-visual:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.42) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.42) 1px,transparent 1px);background-size:34px 34px}.report-mock{position:relative;z-index:2;min-height:250px;padding:22px;background:#fff;border:1px solid #e0e8ef;border-radius:12px;box-shadow:0 24px 45px rgba(40,75,107,.14)}.mock-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:13px;border-bottom:1px solid #e6edf2}.mock-top strong{font-size:14px}.mock-score{color:var(--red);font-size:24px;font-weight:900}.aigc .mock-score{color:var(--violet)}.review .mock-score{color:#2872c4}.mock-lines{display:grid;gap:11px;margin-top:21px}.mock-lines i{display:block;height:10px;background:linear-gradient(90deg,#e9eef3 0 66%,transparent 66%);border-radius:5px}.mock-lines i:nth-child(2){width:83%}.mock-lines i:nth-child(3){width:62%}.mock-chart{display:grid;grid-template-columns:110px 1fr;gap:20px;align-items:center;margin-top:28px}.donut{display:grid;width:105px;height:105px;place-items:center;border:17px solid #f2b1b4;border-right-color:var(--red);border-radius:50%;font-size:15px;font-weight:800}.aigc .donut{border-color:#cbd0ff;border-right-color:var(--violet)}.review .donut{border-color:#c7e4ff;border-right-color:#2872c4}.bars{display:grid;gap:10px}.bars i{height:11px;background:linear-gradient(90deg,#e95e63 0 45%,#eef2f5 45%);border-radius:5px}.aigc .bars i{background:linear-gradient(90deg,#777fe0 0 62%,#eef2f5 62%)}.review .bars i{background:linear-gradient(90deg,#3a85d3 0 72%,#eef2f5 72%)}.process{padding:84px 0}.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px}.step{padding:25px 22px;background:#fff;border:1px solid var(--line);border-radius:12px}.step i{display:grid;width:38px;height:38px;place-items:center;color:#fff;background:var(--blue);border-radius:9px;font-style:normal;font-weight:800}.step b{display:block;margin:18px 0 7px}.step span{color:var(--muted);font-size:13px;line-height:1.7}.audiences{padding:84px 0;background:#edf6fd}.audience-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:32px}.audience-card{padding:24px;background:#fff;border:1px solid #dce7ef;border-radius:12px}.audience-card h3{margin:0 0 15px;font-size:19px}.audience-card dl{display:grid;grid-template-columns:72px 1fr;gap:8px;margin:0;font-size:13px;line-height:1.6}.audience-card dt{color:#8a9aaa}.audience-card dd{margin:0;color:#50697e}.audience-card .recommend{margin-top:16px;padding-top:13px;color:var(--red);border-top:1px solid #e7edf2;font-size:12px;font-weight:700}.brand-story{padding:94px 0;background:#fff}.brand-banner{display:grid;grid-template-columns:1.15fr .85fr;overflow:hidden;color:#fff;background:linear-gradient(120deg,#123e68,#236b98 58%,#e5575d 150%);border-radius:20px}.brand-copy{padding:52px}.brand-copy small{color:#bfe5ff;font-weight:700;letter-spacing:.14em}.brand-copy h2{margin:13px 0 15px;font-size:36px}.brand-copy p{color:#d5e7f4;line-height:1.9}.brand-points{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:24px}.brand-points div{padding:14px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);border-radius:9px}.brand-points b{display:block}.brand-points span{display:block;margin-top:4px;color:#bad2e3;font-size:11px}.brand-seal{display:grid;min-height:380px;place-items:center}.seal{width:210px;padding:35px 25px;color:var(--ink);background:#fff;border-radius:20px;box-shadow:0 30px 60px rgba(10,33,53,.27);text-align:center}.seal strong{display:block;color:var(--red);font-size:40px;font-style:italic}.seal b{display:block;margin:8px 0 18px;font-size:18px;letter-spacing:2px}.seal span{display:block;padding-top:16px;color:#75889a;border-top:1px solid #e5ebef;font-size:12px;line-height:1.8}.partners{padding:86px 0;background:#fafcfe}.partners-title{text-align:center}.partners-title h2{margin:0;font-size:31px}.partners-title p{margin:10px 0 0;color:var(--muted)}.partner-wall{position:relative;margin-top:35px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);overflow:hidden}.partner-wall:after{content:"合作伙伴展示沿用原页面院校图片";position:absolute;right:18px;bottom:12px;padding:5px 8px;color:#708396;background:rgba(255,255,255,.88);border-radius:4px;font-size:11px}.partner-wall img{width:100%;height:auto}.faq{padding:82px 0}.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px}.faq-copy h2{margin:0;font-size:34px}.faq-copy p{color:var(--muted);line-height:1.8}.faq-list{display:grid;gap:10px}.faq-item{padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:10px}.faq-item b{display:block;margin-bottom:6px}.faq-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}.site-footer{padding:50px 0 22px;color:#c3d3df;background:#123b60}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:45px}.footer-brand h2{margin:0;color:#fff;font-size:28px}.footer-brand p{max-width:360px;color:#9fb7c9;font-size:13px;line-height:1.8}.footer-col h3{margin:4px 0 15px;color:#fff;font-size:15px}.footer-col a{display:block;margin:10px 0;color:#acc0d0;font-size:13px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:35px;padding-top:18px;color:#89a4b8;border-top:1px solid rgba(255,255,255,.12);font-size:12px}
/* 合作伙伴滚动动画样式 */
.partners{overflow:hidden;padding:86px 0 78px;background:#fafcfe}
.partner-stage{position:relative;width:100%;margin-top:38px;padding:4px 0;overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent)}
.partner-stage:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 50%,rgba(224,242,255,.52),transparent 62%);pointer-events:none}
.partner-row{position:relative;overflow:hidden;margin-bottom:18px}
.partner-row:last-child{margin-bottom:0}
.partner-track{display:flex;width:max-content;gap:24px;will-change:transform}
.partner-row[data-direction="left"] .partner-track{animation:partnerMoveLeft 78s linear infinite}
.partner-row[data-direction="right"] .partner-track{animation:partnerMoveRight 78s linear infinite;transform:translateX(-50%)}
.partner-sequence{display:flex;flex:none;gap:24px}
.partner-logo{display:grid;width:220px;height:91px;flex:none;place-items:center;padding:0;background:transparent;border:0;border-radius:0;box-shadow:none}
.partner-logo img{width:100%;height:100%;object-fit:contain}
.partner-stage:hover .partner-track{animation-play-state:paused}
.partner-source{margin:24px auto 0;color:#8394a4;font-size:12px;text-align:center}
@keyframes partnerMoveLeft{from{transform:translateX(0)}to{transform:translateX(calc(-50% - 12px))}}
@keyframes partnerMoveRight{from{transform:translateX(calc(-50% - 12px))}to{transform:translateX(0)}}
/* 大屏媒体查询 */
@media(max-width:900px){.nav-links a:not(.query-link){display:none}.hero-grid,.capability,.brand-banner,.faq-grid{grid-template-columns:1fr}.hero{min-height:auto}.hero-grid{padding:55px 0}.hero-art{display:none}.hero h1{font-size:38px}.product-panel{padding:24px 18px}.product-grid,.loading-grid,.audience-grid{grid-template-columns:1fr 1fr}.capability:nth-of-type(even) .capability-copy,.capability:nth-of-type(even) .capability-visual{order:initial}.process-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.capability{padding:28px;gap:30px}}
@media(max-width:720px){.partners{padding:66px 0 60px}.partner-stage{margin-top:28px;mask-image:linear-gradient(90deg,transparent,#000 2%,#000 98%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 2%,#000 98%,transparent)}.partner-row{margin-bottom:12px}.partner-track,.partner-sequence{gap:14px}.partner-logo{width:180px;height:75px;padding:0}.partner-row[data-direction="left"] .partner-track,.partner-row[data-direction="right"] .partner-track{animation-duration:70s}@keyframes partnerMoveLeft{from{transform:translateX(0)}to{transform:translateX(calc(-50% - 7px))}}@keyframes partnerMoveRight{from{transform:translateX(calc(-50% - 7px))}to{transform:translateX(0)}}}
@media(max-width:600px){.container{width:min(100% - 24px,1180px)}.brand-logo img{width:148px}.hero h1{font-size:32px}.hero-copy>p{font-size:14px}.hero-actions{align-items:stretch;flex-direction:column}.hero-notes{align-items:flex-start;flex-direction:column;gap:8px}.product-shell{margin-top:-24px}.section-head{align-items:flex-start;flex-direction:column}.section-head h2,.center-head h2{font-size:27px}.product-tabs{grid-template-columns:1fr}.product-grid,.loading-grid,.audience-grid,.process-grid{grid-template-columns:1fr}.capability{padding:22px 18px}.capability-copy h3{font-size:25px}.capability-visual{min-height:300px;padding:25px 18px}.mock-chart{grid-template-columns:85px 1fr}.donut{width:82px;height:82px;border-width:13px}.brand-copy{padding:34px 24px}.brand-copy h2{font-size:29px}.brand-points{grid-template-columns:1fr}.brand-seal{min-height:300px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-bottom{flex-direction:column}.partner-wall{padding:7px}.partner-wall:after{display:none}}
@media(prefers-reduced-motion:reduce){.partner-track{animation:none!important;transform:none!important}.partner-stage{overflow-x:auto;mask-image:none;-webkit-mask-image:none}.partner-sequence[aria-hidden="true"]{display:none}}
/* 合作单位 */
.partner-stage{
    max-width: 1300px; /* 控制滚动区域最大宽度，按需调小 */
    margin: 1.5rem auto;    /* 整体居中 */
    overflow: hidden;
}
.partner-track span{
    display: inline-block;
    white-space: nowrap;
    padding: 0 1.5rem; /* 院校名称之间间距 */
}
/* ==================== 11. 悬浮客服 ==================== */
.float-customer-service {
    position: fixed;
    right: 22px;
    bottom: 22px;
    background: #d34f4f;
    padding: 10px 16px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    box-shadow: 0 3px 14px rgba(3, 183, 82, 0.4);
    cursor: pointer;
    z-index: 999;
    transition: 0.22s ease;
}
.float-customer-service a {
    color: #fff !important;
    text-decoration: none !important;
}
.float-customer-service:hover {
    opacity: 0.9;
    transform: scale(1.03);
}