/* UniCampus 官网 (www.unicampus.com.cn) 共享样式 — 2026-09-02 建
   目的: 微信开放平台"应用官网"审核 (首页/产品展示/应用介绍/用户协议/版权/备案/联系方式) */
:root{--brand:#ff6a00;--brand-2:#ff8f2b;--brand-soft:#fff3e8;--ink:#1b1f27;--sub:#5b6472;--bg:#ffffff;--bg-2:#faf8f5;--card:#ffffff;--line:#ebe7e1;--radius:16px;--shadow:0 8px 30px rgba(20,24,40,.08)}
@media (prefers-color-scheme:dark){:root{--brand-soft:#2a1d12;--ink:#eceef2;--sub:#a0a8b5;--bg:#12141a;--bg-2:#181b22;--card:#1d2129;--line:#2b303a;--shadow:0 8px 30px rgba(0,0,0,.4)}}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;background:var(--bg);color:var(--ink);line-height:1.75;font-size:16px}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%;display:block}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
/* 顶栏 */
.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:20px;letter-spacing:.02em}
.brand img{width:36px;height:36px;border-radius:9px}
.brand:hover{text-decoration:none}
.menu{display:flex;gap:4px 22px;flex-wrap:wrap;font-size:15px}
.menu a{color:var(--sub);padding:6px 0}
.menu a:hover,.menu a.on{color:var(--brand);text-decoration:none}
/* 版块 */
.section{padding:72px 0}
.section.alt{background:var(--bg-2)}
.section h2{font-size:30px;line-height:1.3;margin-bottom:10px;letter-spacing:.01em}
.section .lead{color:var(--sub);font-size:17px;max-width:720px;margin-bottom:36px}
.eyebrow{display:inline-block;color:var(--brand);font-weight:600;font-size:14px;letter-spacing:.12em;margin-bottom:10px}
/* 首屏 */
.hero{padding:72px 0 56px;background:linear-gradient(160deg,var(--brand-soft) 0%,var(--bg) 70%)}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero .icon{width:84px;height:84px;border-radius:22px;box-shadow:var(--shadow);margin-bottom:22px}
.hero h1{font-size:46px;line-height:1.15;letter-spacing:.01em;margin-bottom:12px}
.hero h1 small{display:block;font-size:22px;font-weight:600;color:var(--sub);margin-top:6px}
.hero p{font-size:18px;color:var(--sub);max-width:560px;margin-bottom:28px}
.hero .phone{justify-self:center;width:min(300px,100%)}
.phone-frame{border-radius:36px;padding:10px;background:#111;box-shadow:var(--shadow)}
.phone-frame img{border-radius:28px}
.btns{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:12px;font-weight:600;font-size:16px;border:1px solid transparent;transition:.15s}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,var(--brand-2),var(--brand));color:#fff;box-shadow:0 6px 18px rgba(255,106,0,.28)}
.btn-ghost{background:var(--card);color:var(--ink);border-color:var(--line)}
.meta-row{display:flex;gap:18px;flex-wrap:wrap;color:var(--sub);font-size:14px;margin-top:20px}
.meta-row span::before{content:"✓";color:var(--brand);margin-right:6px;font-weight:700}
/* 截图横滑 */
.shots{display:flex;gap:22px;overflow-x:auto;padding:8px 4px 20px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.shot{flex:0 0 232px;scroll-snap-align:start;text-align:center}
.shot img{border-radius:24px;box-shadow:var(--shadow);border:6px solid #111;background:#111}
.shot b{display:block;margin-top:14px;font-size:16px}
.shot span{display:block;color:var(--sub);font-size:14px}
/* 功能卡 */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 2px 10px rgba(20,24,40,.03)}
.card .ic{width:46px;height:46px;border-radius:13px;background:var(--brand-soft);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:14px}
.card h3{font-size:18px;margin-bottom:8px}
.card p{color:var(--sub);font-size:15px}
/* 产品详情段 */
.feature{display:grid;grid-template-columns:1fr 300px;gap:48px;align-items:center;padding:40px 0;border-bottom:1px solid var(--line)}
.feature:last-of-type{border-bottom:0}
.feature.flip{grid-template-columns:300px 1fr}
.feature.flip .txt{order:2}
.feature h3{font-size:24px;margin-bottom:10px}
.feature p{color:var(--sub);margin-bottom:10px}
.feature ul{color:var(--sub);padding-left:20px}
.feature img{border-radius:24px;box-shadow:var(--shadow);border:6px solid #111;background:#111;justify-self:center;width:min(280px,100%)}
/* 表格 */
table{width:100%;border-collapse:collapse;font-size:15px}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
th{width:30%;color:var(--sub);font-weight:500;background:var(--bg-2)}
/* 步骤 */
.steps{counter-reset:s;list-style:none}
.steps li{position:relative;padding:12px 0 12px 48px;color:var(--sub)}
.steps li::before{counter-increment:s;content:counter(s);position:absolute;left:0;top:10px;width:32px;height:32px;border-radius:50%;background:var(--brand);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:15px}
.steps li b{color:var(--ink)}
.note{background:var(--brand-soft);border-radius:12px;padding:14px 18px;color:var(--ink);font-size:15px}
/* 两栏 */
.cols{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.contact-list{list-style:none}
.contact-list li{padding:10px 0;border-bottom:1px solid var(--line);display:flex;gap:14px}
.contact-list li b{min-width:88px;color:var(--sub);font-weight:500}
/* 页脚 */
footer{background:var(--bg-2);border-top:1px solid var(--line);padding:44px 0 36px;color:var(--sub);font-size:14px}
footer .cols{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
footer h4{color:var(--ink);font-size:15px;margin-bottom:10px}
footer ul{list-style:none}
footer li{padding:3px 0}
footer a{color:var(--sub)}
footer .legal{margin-top:28px;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center}
@media (max-width:860px){
  .hero .wrap,.feature,.feature.flip,.cols,footer .cols{grid-template-columns:1fr}
  .feature.flip .txt{order:0}
  .hero{padding:44px 0 36px}.hero h1{font-size:34px}.hero h1 small{font-size:18px}
  .hero .phone{width:min(240px,100%)}
  .grid{grid-template-columns:1fr}
  .section{padding:52px 0}.section h2{font-size:25px}
  th{width:38%}
}

/* 2026-09-02 评审修正: 锚点被 sticky 顶栏遮挡 / 桌面截图列全部可见 / 页脚备案链接可辨 / 手机端精简导航 */
[id]{scroll-margin-top:84px}
@media(min-width:1000px){.shots{display:grid;grid-template-columns:repeat(5,1fr);overflow:visible;gap:18px}.shot{flex:none}.shot img{width:100%}}
footer .legal a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
@media(max-width:600px){.menu a[href$="terms.html"],.menu a[href$="privacy.html"]{display:none}}