/* =========================================================
   美霄电商官网 + 内部工作平台 · 统一样式
   ========================================================= */
:root{
  --navy:#0B2545; --navy-2:#123A63; --blue:#1668A8; --blue-soft:#EAF3FB;
  --orange:#F26A38; --orange-soft:#FFF1EA;
  --ink:#16283F; --muted:#63748C; --line:#E4EBF4;
  --bg:#F6F8FC; --white:#fff;
  --shadow:0 10px 34px rgba(16,42,75,.08);
  --shadow-lg:0 20px 60px rgba(16,42,75,.14);
  --radius:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%}
button,input{font-family:inherit;font-size:inherit;outline:none}
::selection{background:var(--orange);color:#fff}
.wrap{width:min(1180px,calc(100% - 48px));margin:0 auto}
.section{padding:88px 0}
.section.alt{background:#fff}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;
  font-weight:700;letter-spacing:.14em;text-transform:uppercase}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--orange);border-radius:2px}
h2.title{font-size:clamp(26px,3.2vw,38px);line-height:1.35;margin:14px 0 12px;letter-spacing:-.5px}
p.lead{color:var(--muted);max-width:720px;font-size:16px}
.center{text-align:center}.center .lead{margin:0 auto}
.sec-head{margin-bottom:44px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;
  border-radius:10px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;
  transition:.22s ease;white-space:nowrap}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 22px rgba(242,106,56,.26)}
.btn-primary:hover{background:#dc5a2b;transform:translateY(-2px)}
.btn-outline{border-color:rgba(255,255,255,.36);color:#fff;background:rgba(255,255,255,.06)}
.btn-outline:hover{background:rgba(255,255,255,.16)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-2);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--navy);border-color:var(--line)}
.btn-light:hover{border-color:var(--blue);color:var(--blue)}
.btn-sm{padding:8px 14px;font-size:13px;border-radius:8px}

/* =========================================================
   官网 · 顶部导航
   ========================================================= */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header-inner{height:72px;display:flex;align-items:center;gap:36px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-logo{width:40px;height:40px;border-radius:11px;background:linear-gradient(135deg,var(--navy),var(--blue));
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:16px;letter-spacing:.5px;
  box-shadow:0 6px 16px rgba(11,37,69,.22)}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text b{font-size:16px;color:var(--navy)}
.brand-text small{font-size:11px;color:var(--muted);letter-spacing:.06em}
.site-nav{display:flex;gap:28px;margin-left:auto}
.site-nav a{font-size:14.5px;color:#42566e;font-weight:500;position:relative;padding:6px 0}
.site-nav a:hover{color:var(--blue)}
.site-nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--orange);transition:.2s}
.site-nav a:hover::after{width:100%}
.header-cta{display:flex;align-items:center;gap:12px}
.internal-link{font-size:13px;color:var(--muted);border:1px dashed #c9d6e6;padding:7px 13px;
  border-radius:8px;transition:.2s;white-space:nowrap}
.internal-link:hover{color:var(--blue);border-color:var(--blue);background:var(--blue-soft)}
.nav-toggle{display:none;background:none;border:0;font-size:24px;color:var(--navy);cursor:pointer;margin-left:auto}

/* =========================================================
   官网 · Hero
   ========================================================= */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(900px 480px at 82% 8%,rgba(38,110,175,.55),transparent 65%),
  linear-gradient(120deg,#081C36 0%,#0B2B52 52%,#123F6C 100%);color:#fff;padding:104px 0 0}
.hero::before{content:"";position:absolute;inset:0;opacity:.16;
  background-image:linear-gradient(rgba(255,255,255,.16) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:56px 56px;mask-image:linear-gradient(to bottom,#000,transparent 85%)}
.hero::after{content:"";position:absolute;right:-160px;top:-160px;width:560px;height:560px;border-radius:50%;
  border:1px solid rgba(255,255,255,.12);box-shadow:0 0 0 90px rgba(255,255,255,.025),0 0 0 190px rgba(255,255,255,.02)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center;padding-bottom:96px}
.hero-tag{display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:100px;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.07);font-size:13px;letter-spacing:.1em}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 5px rgba(242,106,56,.2)}
.hero h1{font-size:clamp(34px,4.6vw,58px);line-height:1.24;letter-spacing:-1px;margin:26px 0 20px;font-weight:800}
.hero h1 em{font-style:normal;color:#FFB08D}
.hero .en{font-size:14px;letter-spacing:.16em;color:rgba(255,255,255,.55);text-transform:uppercase;
  white-space:normal;overflow-wrap:anywhere;line-height:1.6}
.hero p.desc{color:rgba(255,255,255,.78);font-size:16.5px;max-width:560px;margin:22px 0 34px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-side{display:grid;gap:14px}
.hero-sidecard{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:14px;padding:20px 22px;backdrop-filter:blur(6px)}
.hero-sidecard .k{font-size:12px;letter-spacing:.12em;color:rgba(255,255,255,.55);text-transform:uppercase}
.hero-sidecard .v{font-size:20px;font-weight:700;margin-top:6px}
.hero-sidecard .d{font-size:13px;color:rgba(255,255,255,.62);margin-top:4px}
.hero-sidecard.accent{background:linear-gradient(135deg,rgba(242,106,56,.92),rgba(242,106,56,.7));border-color:transparent}
.hero-sidecard.accent .k,.hero-sidecard.accent .d{color:rgba(255,255,255,.85)}

/* 数据条 */
.stats-band{position:relative;z-index:3;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);
  margin-top:-48px;padding:30px 20px;display:grid;grid-template-columns:repeat(6,1fr)}
.stat{text-align:center;padding:6px 10px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat b{display:block;font-size:30px;line-height:1.2;color:var(--navy);font-weight:800;letter-spacing:-1px}
.stat b span{font-size:16px;margin-left:2px}
.stat small{display:block;color:var(--muted);font-size:13px;margin-top:4px}

/* =========================================================
   官网 · 通用卡片 / 网格
   ========================================================= */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  transition:.25s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c9dcf0}
.card .num{font-size:12px;font-weight:800;color:var(--orange);letter-spacing:.12em}
.card h3{font-size:19px;margin:12px 0 10px;color:var(--navy)}
.card p{font-size:14.5px;color:var(--muted)}
.icon-box{width:46px;height:46px;border-radius:12px;background:var(--blue-soft);display:grid;place-items:center;
  color:var(--blue);font-size:21px;font-weight:700}
.icon-box.orange{background:var(--orange-soft);color:var(--orange)}

/* 简介区 */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start}
.about-copy p{color:var(--muted);margin-bottom:16px;font-size:15.5px}
.value-list{display:grid;gap:14px}
.value-item{display:flex;gap:16px;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:18px 20px}
.value-item .vk{flex-shrink:0;width:42px;height:42px;border-radius:10px;background:var(--navy);color:#fff;
  display:grid;place-items:center;font-size:15px;font-weight:700}
.value-item b{display:block;color:var(--navy);font-size:15.5px;margin-bottom:3px}
.value-item span{font-size:13.5px;color:var(--muted)}

/* 时间轴 */
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.timeline::before{content:"";position:absolute;left:0;right:0;top:19px;height:2px;background:var(--line)}
.tl-item{position:relative;padding-top:52px}
.tl-item::before{content:"";position:absolute;top:11px;left:0;width:16px;height:16px;border-radius:50%;
  background:#fff;border:4px solid var(--blue);z-index:2}
.tl-item:last-child::before{border-color:var(--orange)}
.tl-year{font-size:19px;font-weight:800;color:var(--navy)}
.tl-item ul{list-style:none;margin-top:9px}
.tl-item li{font-size:13.5px;color:var(--muted);padding-left:14px;position:relative;margin-bottom:6px}
.tl-item li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:#b9cbe0}

/* 品牌标签 */
.brand-cloud{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.brand-chip{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 22px;
  font-size:15px;font-weight:600;color:var(--navy);transition:.2s}
.brand-chip:hover{border-color:var(--orange);color:var(--orange);transform:translateY(-2px)}
.cat-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
.cat-chip{font-size:13px;color:var(--blue);background:var(--blue-soft);padding:6px 14px;border-radius:100px}

/* 资质荣誉 */
.qual-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.qual-item{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:20px 14px;text-align:center;
  font-size:14px;font-weight:600;color:var(--navy)}
.qual-item .qi{display:block;font-size:24px;color:var(--blue);margin-bottom:8px}
.honor-list{display:grid;grid-template-columns:repeat(3,1fr);gap:10px 26px;margin-top:22px}
.honor-list li{list-style:none;font-size:14px;color:var(--muted);padding-left:18px;position:relative}
.honor-list li::before{content:"✦";position:absolute;left:0;color:var(--orange);font-size:12px}

/* CTA */
.cta{background:linear-gradient(120deg,#0B2545,#144A78);color:#fff;padding:64px 0;text-align:center;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;left:-100px;bottom:-180px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(255,255,255,.1);box-shadow:0 0 0 80px rgba(255,255,255,.025)}
.cta h2{font-size:clamp(24px,3vw,34px);margin-bottom:12px;position:relative;z-index:2}
.cta p{color:rgba(255,255,255,.72);margin-bottom:28px;position:relative;z-index:2}
.cta .btn-primary{position:relative;z-index:2}

/* 页脚 */
.site-footer{background:#071A30;color:rgba(255,255,255,.62);padding:52px 0 26px;font-size:13.5px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:34px}
.footer-grid h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-grid p{max-width:340px}
.footer-grid a{display:block;padding:4px 0;color:rgba(255,255,255,.62)}
.footer-grid a:hover{color:var(--orange)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* =========================================================
   内部工作平台
   ========================================================= */
body.internal{background:#F4F7FB}
.topbar{background:var(--navy);color:#fff;position:sticky;top:0;z-index:50}
.topbar-inner{height:66px;display:flex;align-items:center;gap:34px}
.topbar .brand-logo{background:var(--orange);box-shadow:none}
.topbar .brand-text b{color:#fff}
.topbar .brand-text small{color:rgba(255,255,255,.55)}
.topnav{display:flex;gap:6px;margin-left:16px}
.topnav a{padding:8px 14px;border-radius:8px;font-size:14px;color:rgba(255,255,255,.7)}
.topnav a:hover{background:rgba(255,255,255,.09);color:#fff}
.topnav a.on{background:rgba(255,255,255,.14);color:#fff;font-weight:600}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.env-dot{width:7px;height:7px;border-radius:50%;background:#4ADE80;box-shadow:0 0 0 4px rgba(74,222,128,.16)}
.env-txt{font-size:12.5px;color:rgba(255,255,255,.62)}
.btn-ghost{border:1px solid rgba(255,255,255,.25);padding:8px 14px;border-radius:8px;font-size:13px;color:#fff;margin-left:8px}
.btn-ghost:hover{background:rgba(255,255,255,.12)}

.page-head{padding:38px 0 26px}
.page-head h1{font-size:28px;color:var(--navy);letter-spacing:-.5px}
.page-head p{color:var(--muted);margin-top:6px;font-size:14.5px}
.crumb{font-size:13px;color:var(--muted);margin-bottom:10px}
.crumb a:hover{color:var(--blue)}

.overview{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:30px}
.ov-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 22px;display:flex;align-items:center;gap:16px}
.ov-ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:19px;font-weight:700;
  background:var(--blue-soft);color:var(--blue)}
.ov-ico.o{background:var(--orange-soft);color:var(--orange)}
.ov-card b{display:block;font-size:25px;line-height:1.2;color:var(--navy)}
.ov-card small{color:var(--muted);font-size:13px}

.block-title{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:34px 0 16px}
.block-title h2{font-size:19px;color:var(--navy)}
.block-title .hint{font-size:13px;color:var(--muted)}

.module-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;display:grid;
  grid-template-columns:1fr auto;gap:20px;align-items:center;box-shadow:var(--shadow)}
.module-card .mc-left{display:flex;gap:18px;align-items:flex-start}
.mc-ico{width:56px;height:56px;flex-shrink:0;border-radius:14px;background:linear-gradient(135deg,var(--navy),var(--blue));
  color:#fff;display:grid;place-items:center;font-size:20px;font-weight:700}
.module-card h3{font-size:19px;color:var(--navy);display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.module-card p{color:var(--muted);font-size:14px;margin-top:6px;max-width:620px}
.mc-meta{display:flex;gap:20px;margin-top:14px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.mc-meta code{background:var(--bg);border:1px solid var(--line);padding:2px 8px;border-radius:6px;color:var(--blue);font-size:12.5px}

.status{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:4px 10px;border-radius:100px;white-space:nowrap}
.status i{width:6px;height:6px;border-radius:50%;background:currentColor}
.st-online{background:#E7F8EF;color:#128A4C}
.st-building{background:#FFF4E2;color:#B8720A}
.st-planned{background:#EAF1FB;color:#2A62A8}
.st-reserved{background:#F0F2F6;color:#7A8798}

.proj-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.proj-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;position:relative;
  transition:.22s;display:flex;flex-direction:column;min-height:200px}
.proj-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bcd4ee}
.proj-card .pc-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.proj-code{font-size:12px;font-weight:800;letter-spacing:.1em;color:var(--blue);background:var(--blue-soft);
  padding:4px 9px;border-radius:6px}
.proj-card h3{font-size:16px;color:var(--navy);line-height:1.45;margin-bottom:6px}
.proj-card .pc-owner{font-size:12.5px;color:var(--muted)}
.proj-card .pc-api{margin-top:12px;font-size:11.5px;color:var(--muted);background:var(--bg);
  border:1px solid var(--line);border-radius:6px;padding:6px 8px;word-break:break-all;line-height:1.4}
.proj-card .pc-foot{margin-top:auto;padding-top:14px;display:flex;align-items:center;gap:8px}
.proj-card .pc-foot a{flex:1;text-align:center;font-size:13px;padding:8px 6px;border-radius:8px;
  background:var(--navy);color:#fff;font-weight:600}
.proj-card .pc-foot a:hover{background:var(--blue)}
.mini-btn{border:1px solid var(--line);background:#fff;border-radius:8px;width:32px;height:32px;cursor:pointer;
  color:var(--muted);font-size:13px;display:grid;place-items:center}
.mini-btn:hover{border-color:var(--blue);color:var(--blue)}

/* 接口清单表 */
.table-wrap{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
table{width:100%;border-collapse:collapse;font-size:13.5px}
thead th{background:#F8FAFD;color:var(--navy);text-align:left;font-weight:700;padding:13px 16px;border-bottom:1px solid var(--line);white-space:nowrap}
tbody td{padding:12px 16px;border-bottom:1px solid #EFF3F8;color:#43566E;vertical-align:middle}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:#FAFCFF}
td code{background:var(--bg);border:1px solid var(--line);border-radius:5px;padding:2px 7px;color:var(--blue);font-size:12.5px}
.method{font-size:11px;font-weight:800;padding:3px 8px;border-radius:5px;letter-spacing:.04em}
.m-get{background:#E7F3FB;color:#1668A8}
.m-post{background:#E7F8EF;color:#128A4C}
.m-put{background:#FFF4E2;color:#B8720A}
.table-note{padding:14px 16px;background:#FAFCFF;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}

.notice{background:#FFF8F3;border:1px solid #FFDCC7;border-left:4px solid var(--orange);border-radius:10px;
  padding:16px 20px;font-size:13.5px;color:#8A5238;margin:26px 0}
.notice b{color:#B0522A}

.internal-footer{border-top:1px solid var(--line);background:#fff;margin-top:60px;padding:22px 0;font-size:13px;color:var(--muted)}
.foot-inner{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}

/* 占位页 */
.slot-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:34px;box-shadow:var(--shadow)}
.slot-head{display:flex;gap:20px;align-items:flex-start;flex-wrap:wrap}
.slot-head h1{font-size:25px;color:var(--navy);display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.slot-head p{color:var(--muted);margin-top:8px;font-size:14.5px;max-width:640px}
.slot-ico{width:58px;height:58px;border-radius:15px;background:linear-gradient(135deg,var(--navy),var(--blue));
  color:#fff;display:grid;place-items:center;font-size:20px;font-weight:800}
.coming{margin:28px 0;padding:34px 20px;text-align:center;background:var(--bg);border:1px dashed #C9D8E9;border-radius:12px}
.coming .ci{font-size:34px;color:var(--blue)}
.coming h3{font-size:18px;color:var(--navy);margin:10px 0 6px}
.coming p{font-size:14px;color:var(--muted)}
.kv{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px}
.kv div{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:14px 16px}
.kv span{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}
.kv b{font-size:14px;color:var(--navy);word-break:break-all}

/* 口令遮罩 */
.gate-locked{overflow:hidden}
.gate{position:fixed;inset:0;z-index:999;display:grid;place-items:center;padding:20px;
  background:radial-gradient(700px 400px at 70% 10%,rgba(38,110,175,.5),transparent 70%),linear-gradient(130deg,#081C36,#123F6C)}
.gate-card{width:min(420px,100%);background:#fff;border-radius:18px;padding:36px 32px;box-shadow:0 30px 80px rgba(0,0,0,.3);text-align:center}
.gate-mark{width:52px;height:52px;margin:0 auto 16px;border-radius:14px;background:var(--orange);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:19px}
.gate-card h2{font-size:22px;color:var(--navy)}
.gate-sub{color:var(--muted);font-size:13.5px;margin:8px 0 22px}
.gate-form{display:flex;gap:8px}
.gate-form input{flex:1;border:1px solid var(--line);border-radius:9px;padding:11px 13px;background:var(--bg)}
.gate-form input:focus{border-color:var(--blue);background:#fff}
.gate-form button{border:0;background:var(--navy);color:#fff;border-radius:9px;padding:0 20px;font-weight:600;cursor:pointer}
.gate-form button:hover{background:var(--blue)}
.gate-err{color:#D64545;font-size:13px;height:20px;margin-top:8px;text-align:left}
.gate-note{margin-top:14px;background:var(--bg);border:1px solid var(--line);border-radius:9px;padding:12px 14px;
  font-size:12px;color:var(--muted);text-align:left;line-height:1.65}
.gate-note strong{color:var(--navy)}
.gate-back{display:inline-block;margin-top:18px;font-size:13px;color:var(--blue)}

.toast{position:fixed;left:50%;bottom:34px;transform:translate(-50%,20px);background:var(--navy);color:#fff;
  padding:11px 20px;border-radius:9px;font-size:13.5px;opacity:0;transition:.3s;z-index:900;box-shadow:var(--shadow-lg)}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* =========================================================
   响应式
   ========================================================= */
@media(max-width:1080px){
  .site-nav{gap:18px}.header-inner{gap:20px}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding-bottom:80px}
  .hero-side{grid-template-columns:repeat(3,1fr)}
  .stats-band{grid-template-columns:repeat(3,1fr);gap:18px 0}
  .stat:nth-child(3){border-right:0}
  .grid-4,.qual-grid,.proj-grid{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr);row-gap:26px}
  .timeline::before{display:none}
  .overview{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .wrap{width:min(100% - 32px,1180px)}
  .section{padding:60px 0}
  .site-nav,.header-cta{display:none}
  .nav-toggle{display:block}
  .site-header.open .site-nav{display:flex;position:absolute;top:72px;left:0;right:0;background:#fff;
    flex-direction:column;padding:16px 24px;gap:4px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .site-header.open .site-nav a{padding:10px 0}
  .site-header.open .header-cta{display:flex;padding:0 24px 18px}
  .hero{padding-top:70px}.hero-inner{padding-bottom:70px}
  .hero .en{font-size:11px;letter-spacing:.07em}
  .hero-side{grid-template-columns:1fr}
  .stats-band{grid-template-columns:repeat(2,1fr);margin-top:-32px;padding:22px 10px;gap:18px 0}
  .stat:nth-child(2n){border-right:0}.stat:nth-child(3){border-right:1px solid var(--line)}
  .stat b{font-size:25px}
  .grid-2,.grid-3,.grid-4,.about-grid,.qual-grid,.honor-list,.footer-grid,.overview,.proj-grid,.kv{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
  .module-card{grid-template-columns:1fr}
  .topnav{display:none}
  .topbar-inner{height:60px}
  .env-txt{display:none}
  .table-wrap{overflow-x:auto}table{min-width:680px}
  .footer-bottom{flex-direction:column}
  .page-head h1{font-size:23px}
}