/* ==========================================================================
   众智商学院 · SCMP 供应链管理专家学习中心
   站点样式表 · 设计语言：深海军蓝 + 香槟金（在参考站配色基础上做现代化升级）
   文件：assets/site.css
   ========================================================================== */

:root{
  /* 品牌深蓝：从最深到最亮 */
  --navy-950:#06172A;
  --navy-900:#0A1C2E;
  --navy-800:#0E2C4A;
  --navy-700:#123A63;
  --navy-600:#1B4E7E;
  --navy-500:#2C6AA6;

  /* 点缀金 */
  --gold-700:#7E6023;
  --gold-600:#9A7738;
  --gold-500:#B08A4B;
  --gold-400:#C9A96A;
  --gold-300:#DCC79A;
  --gold-200:#E8D7B0;
  --gold-100:#F6F0DF;

  /* 数据辅助色（供应链主题：克制的青绿，仅用于数据可视化） */
  --jade-600:#0F7A6C;
  --jade-500:#159C88;
  --jade-100:#E3F4F1;

  /* 中性色 */
  --ink:#0F172A;
  --ink-2:#1E293B;
  --muted:#5B6B7F;
  --muted-2:#7C8595;
  --line:#E4E9EF;
  --line-2:#EFF2F6;
  --bg:#FFFFFF;
  --bg-soft:#F7F9FB;
  --bg-soft-2:#F1F5F9;

  /* 圆角 */
  --r-xs:6px;
  --r-sm:10px;
  --r:14px;
  --r-lg:18px;
  --r-xl:24px;
  --r-pill:999px;

  /* 阴影：统一的低对比柔和投影 */
  --sh-1:0 1px 2px rgba(12,32,54,.05), 0 8px 18px -14px rgba(12,32,54,.28);
  --sh-2:0 2px 6px rgba(12,32,54,.05), 0 18px 34px -22px rgba(12,32,54,.38);
  --sh-3:0 4px 12px rgba(12,32,54,.06), 0 32px 60px -32px rgba(12,32,54,.45);
  --sh-gold:0 18px 38px -20px rgba(154,119,56,.55);

  --container:1200px;
  --hdr-h:74px;

  --ff:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei UI","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --ff-num:"SF Mono",ui-monospace,"JetBrains Mono","Roboto Mono",Menlo,Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--ff);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.02em;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--gold-200);color:var(--navy-950)}

/* 焦点可见性（无障碍） */
:focus-visible{outline:3px solid rgba(176,138,75,.55);outline-offset:2px;border-radius:4px}

/* 滚动条 */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg-soft-2)}
::-webkit-scrollbar-thumb{background:#C7D0DA;border-radius:999px;border:2px solid var(--bg-soft-2)}
::-webkit-scrollbar-thumb:hover{background:#A8B3C0}

/* ---------- 布局 ---------- */
.wrap{max-width:var(--container);margin:0 auto;padding:0 22px}
.wrap-wide{max-width:1360px;margin:0 auto;padding:0 22px}
.sec{padding:76px 0}
.sec-tight{padding:56px 0}
.sec-soft{background:var(--bg-soft);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2)}
.sec-dark{
  position:relative;overflow:hidden;color:#DCE6F0;
  background:
    radial-gradient(1000px 460px at 86% -14%,rgba(176,138,75,.20),transparent 62%),
    radial-gradient(720px 420px at 4% 108%,rgba(44,106,166,.28),transparent 62%),
    linear-gradient(140deg,#081B2F 0%,#0E2C4A 52%,#123A63 100%);
}
.sec-dark h1,.sec-dark h2,.sec-dark h3,.sec-dark h4{color:#fff}
.sec-dark .lead,.sec-dark p{color:#B9C9DA}

.grid{display:grid;gap:22px}
.g-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g-5{grid-template-columns:repeat(5,minmax(0,1fr))}
.g-side{grid-template-columns:1.08fr .92fr;gap:44px;align-items:center}
.g-side-alt{grid-template-columns:.92fr 1.08fr;gap:44px;align-items:center}

/* ---------- 章节标题 ---------- */
.sec-head{max-width:720px;margin:0 auto 40px;text-align:center}
.sec-head.left{margin-left:0;text-align:left}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold-600);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,transparent,var(--gold-500))}
.eyebrow.solo::before{display:none}
.h2{font-size:clamp(26px,3.2vw,38px);line-height:1.22}
.h3{font-size:clamp(20px,2.2vw,25px);line-height:1.32}
.lead{margin-top:16px;font-size:16.5px;line-height:1.9;color:var(--muted)}
.sec-dark .eyebrow{color:var(--gold-400)}
.gold{background:linear-gradient(112deg,#8C6B28,#B08A4B 46%,#D9BC80);-webkit-background-clip:text;background-clip:text;color:transparent}
.sec-dark .gold{background:linear-gradient(112deg,#C9A96A,#E8D7B0 60%,#C9A96A);-webkit-background-clip:text;background-clip:text;color:transparent}
.rule{height:1px;background:linear-gradient(90deg,var(--line),transparent);margin:0}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--navy-950);color:#93A8BF;font-size:12.5px;border-bottom:1px solid rgba(255,255,255,.06)}
.topbar .wrap-wide{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px}
.topbar a{color:#C6D4E3}
.topbar a:hover{color:var(--gold-400)}
.topbar-l{display:flex;align-items:center;gap:10px;overflow:hidden;white-space:nowrap}
.topbar-r{display:flex;align-items:center;gap:18px;white-space:nowrap}
.dot{width:6px;height:6px;border-radius:50%;background:var(--jade-500);box-shadow:0 0 0 3px rgba(21,156,136,.18)}

/* ---------- 头部 ---------- */
.hdr{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.88);
  backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);transition:box-shadow .3s ease,background .3s ease;
}
.hdr.is-stuck{box-shadow:0 10px 34px -26px rgba(12,32,54,.7);background:rgba(255,255,255,.95)}
.hdr .wrap-wide{display:flex;align-items:center;gap:20px;height:var(--hdr-h)}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:12px;flex-shrink:0;
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:16px;letter-spacing:-.5px;
  background:linear-gradient(140deg,#0E2C4A,#1B4E7E 62%,#2C6AA6);
  box-shadow:0 12px 24px -14px rgba(14,44,74,.9), inset 0 0 0 1px rgba(201,169,106,.45);
}
.brand-txt strong{display:block;font-size:16.5px;font-weight:800;color:var(--ink);letter-spacing:-.02em;line-height:1.25}
.brand-txt span{display:block;font-size:11px;color:var(--muted-2);letter-spacing:.06em}

.nav{display:flex;align-items:center;gap:2px;flex:1;justify-content:center}
.nav-item{position:relative}
.nav-a{
  display:flex;align-items:center;gap:5px;padding:9px 13px;border-radius:var(--r-sm);
  font-size:14.5px;font-weight:600;color:var(--ink-2);white-space:nowrap;transition:.2s;
}
.nav-a:hover{background:var(--bg-soft-2);color:var(--navy-700)}
.nav-a.is-active{color:var(--navy-700);background:var(--gold-100)}
.nav-a .caret{width:9px;height:9px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(45deg) translateY(-2px);opacity:.6;transition:.2s}
.nav-item:hover .nav-a .caret{transform:rotate(225deg) translateY(-1px)}
.dd{
  position:absolute;top:calc(100% + 10px);left:50%;transform:translate(-50%,8px);
  min-width:270px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-3);padding:10px;opacity:0;visibility:hidden;transition:.22s ease;z-index:70;
}
.nav-item:hover .dd,.nav-item:focus-within .dd{opacity:1;visibility:visible;transform:translate(-50%,0)}
.dd a{display:block;padding:10px 12px;border-radius:var(--r-sm);font-size:14px;font-weight:600;color:var(--ink-2);transition:.18s}
.dd a:hover{background:var(--bg-soft);color:var(--navy-700);transform:translateX(2px)}
.dd a small{display:block;font-weight:400;font-size:12px;color:var(--muted-2);margin-top:2px}
.hdr-cta{display:flex;align-items:center;gap:10px;flex-shrink:0}
.hdr-tel{display:flex;flex-direction:column;align-items:flex-end;line-height:1.25}
.hdr-tel small{font-size:11px;color:var(--muted-2)}
.hdr-tel strong{font-size:16px;font-weight:800;color:var(--navy-700);letter-spacing:.01em}

.burger{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:var(--r-sm);align-items:center;justify-content:center;cursor:pointer}
.burger span{display:block;width:18px;height:1.8px;background:var(--ink);position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:1.8px;background:var(--ink)}
.burger span::before{top:-6px}.burger span::after{top:6px}

.mnav{display:none;border-top:1px solid var(--line);background:#fff}
.mnav.is-open{display:block}
.mnav-inner{max-width:var(--container);margin:0 auto;padding:12px 22px 26px}
.mnav a{display:block;padding:12px 4px;border-bottom:1px solid var(--line-2);font-size:15px;font-weight:600;color:var(--ink-2)}
.mnav .mnav-sub a{padding-left:18px;font-weight:500;font-size:14px;color:var(--muted)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:var(--r-sm);border:1px solid transparent;
  font-size:14.5px;font-weight:700;cursor:pointer;transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-gold{background:linear-gradient(135deg,#B08A4B,#C9A96A 62%,#D9BC80);color:#fff;box-shadow:var(--sh-gold)}
.btn-gold:hover{background:linear-gradient(135deg,#9A7738,#B08A4B);box-shadow:0 22px 42px -20px rgba(154,119,56,.7)}
.btn-navy{background:linear-gradient(135deg,#0E2C4A,#1B4E7E);color:#fff;box-shadow:0 18px 34px -20px rgba(14,44,74,.75)}
.btn-navy:hover{background:linear-gradient(135deg,#0A1C2E,#123A63)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);box-shadow:var(--sh-1)}
.btn-ghost:hover{border-color:var(--gold-400);color:var(--gold-700)}
.btn-line{background:transparent;border-color:rgba(255,255,255,.34);color:#fff}
.btn-line:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6)}
.btn-sm{padding:9px 16px;font-size:13.5px}
.btn-lg{padding:16px 30px;font-size:15.5px}
.btn .ico{width:16px;height:16px;flex-shrink:0}
.btn-row{display:flex;flex-wrap:wrap;gap:13px}
.btn-row.center{justify-content:center}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--gold-600)}
.link-more:hover{color:var(--gold-700);gap:10px}
.link-more::after{content:"→";transition:.2s}

/* ---------- 徽标 / 芯片 ---------- */
.chip{
  display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-pill);padding:7px 15px;font-size:12.5px;font-weight:700;color:var(--gold-600);
  box-shadow:0 10px 22px -18px rgba(12,32,54,.8);
}
.chip .spark{color:var(--gold-500)}
.chip-jade{color:var(--jade-600);border-color:#CDE9E4;background:var(--jade-100)}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;
  padding:4px 10px;border-radius:var(--r-pill);background:var(--gold-100);color:var(--gold-700);
}
.tag-navy{background:#E8EEF6;color:var(--navy-700)}
.tag-jade{background:var(--jade-100);color:var(--jade-600)}
.tag-line{background:#fff;border:1px solid var(--line);color:var(--muted)}
.badge-num{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;flex-shrink:0;
  font-family:var(--ff-num);font-size:13px;font-weight:700;color:#fff;
  background:linear-gradient(140deg,#0E2C4A,#1B4E7E);
}

/* ---------- 卡片 ---------- */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;
  box-shadow:var(--sh-1);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:#E0D3B4}
.card-soft{background:var(--bg-soft)}
.card-flat{box-shadow:none}
.card-dark{
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.13);
  backdrop-filter:blur(6px);border-radius:var(--r-lg);padding:24px;
}
.card-dark:hover{border-color:rgba(201,169,106,.5);background:rgba(255,255,255,.08)}
.card-h{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.card h3{font-size:18px}
.card p{color:var(--muted);font-size:14.8px;line-height:1.85}
.card-hover-bar{position:relative;overflow:hidden}
.card-hover-bar::after{content:"";position:absolute;left:0;top:0;height:100%;width:3px;background:linear-gradient(180deg,var(--gold-500),var(--gold-400));transform:scaleY(0);transform-origin:top;transition:.35s}
.card-hover-bar:hover::after{transform:scaleY(1)}

.icon-box{
  width:46px;height:46px;border-radius:13px;flex-shrink:0;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--gold-100),#fff);border:1px solid #EADFC4;color:var(--gold-600);
  font-size:20px;
}
.icon-box.navy{background:linear-gradient(140deg,#E8EEF6,#fff);border-color:#D3E0EE;color:var(--navy-700)}
.icon-box.jade{background:linear-gradient(140deg,var(--jade-100),#fff);border-color:#CDE9E4;color:var(--jade-600)}

/* ---------- 英雄区 ---------- */
.hero{position:relative;overflow:hidden;padding:56px 0 66px;background:linear-gradient(180deg,#F7F9FB,#FFFFFF 66%)}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(14,44,74,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(14,44,74,.045) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(760px 460px at 70% 12%,#000,transparent 74%);
  -webkit-mask-image:radial-gradient(760px 460px at 70% 12%,#000,transparent 74%);
}
.hero-glow-a,.hero-glow-b{position:absolute;border-radius:50%;pointer-events:none;filter:blur(8px)}
.hero-glow-a{right:-15rem;top:-17rem;width:40rem;height:40rem;background:radial-gradient(circle,rgba(18,58,99,.18),transparent 64%)}
.hero-glow-b{left:-13rem;bottom:-19rem;width:34rem;height:34rem;background:radial-gradient(circle,rgba(176,138,75,.17),transparent 64%)}
.hero .wrap-wide{position:relative}
.hero-grid{display:grid;gap:46px;align-items:start;grid-template-columns:1.06fr .94fr}
.h1{font-size:clamp(29px,4.1vw,50px);line-height:1.16;letter-spacing:-.03em;margin-top:20px}
.h1 .tw{display:block;font-size:.56em;font-weight:800;letter-spacing:-.01em;color:var(--muted-2);margin-bottom:8px}
.hero-lead{margin-top:20px;font-size:16.5px;line-height:1.95;color:var(--muted);max-width:600px}
.hero-actions{margin-top:26px}
.hero-foot{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px 20px;font-size:13px;color:var(--muted-2)}
.hero-foot i{font-style:normal;color:var(--jade-500);margin-right:6px}

.hero-stats{margin-top:34px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;
  box-shadow:var(--sh-1);transition:.3s;
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#E0D3B4}
.stat b{display:block;font-size:26px;font-weight:800;letter-spacing:-.03em;line-height:1.2;
  background:linear-gradient(112deg,#9A7738,#B08A4B);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat b .u{font-size:14px;margin-left:1px;font-weight:700}
.stat span{display:block;font-size:12.5px;color:var(--muted);margin-top:3px}

/* 英雄区右侧：速查面板 */
.side-stack{display:grid;gap:18px}
.panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:24px;
  box-shadow:0 40px 70px -46px rgba(12,32,54,.7);
}
.panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.panel-head h3{font-size:17.5px}
.panel-head p{margin-top:4px;font-size:12.5px;color:var(--muted-2)}
.quick{list-style:none;margin-top:16px;display:grid;gap:9px}
.quick li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:11px 14px;transition:.25s;
}
.quick li:hover{background:#fff;border-color:var(--gold-400);transform:translateX(3px)}
.quick b{font-size:14.2px;font-weight:700;color:var(--ink)}
.quick b em{font-style:normal;display:block;font-size:11.5px;font-weight:500;color:var(--muted-2);margin-top:1px}
.quick i{font-style:normal;font-size:11.5px;font-weight:700;color:var(--gold-600);white-space:nowrap;background:var(--gold-100);padding:3px 9px;border-radius:var(--r-pill)}
.panel-note{margin-top:14px;text-align:center;font-size:12.5px;color:var(--muted-2)}
.panel-note a{color:var(--gold-600);font-weight:700}

/* 倒计时 */
.countdown{display:flex;gap:10px;margin-top:6px}
.cd-cell{flex:1;background:linear-gradient(150deg,var(--navy-950),var(--navy-700));border-radius:var(--r);padding:12px 8px;text-align:center;color:#fff}
.cd-cell b{display:block;font-family:var(--ff-num);font-size:23px;font-weight:700;letter-spacing:-.02em}
.cd-cell span{display:block;font-size:11px;color:#9DB2C7;margin-top:2px}

/* ---------- 信任条 / 合作企业 ---------- */
.band{border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);background:#fff;padding:26px 0}
.band-label{text-align:center;font-size:12.5px;font-weight:700;letter-spacing:.14em;color:var(--muted-2);text-transform:uppercase;margin-bottom:18px}
.logo-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.logo-wall span{
  font-size:13.5px;font-weight:700;color:#8494A6;padding:9px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--bg-soft);transition:.25s;
}
.logo-wall span:hover{color:var(--navy-700);border-color:#D3E0EE;background:#fff;transform:translateY(-2px)}

/* ---------- 特色列表 ---------- */
.feat{display:flex;gap:13px;align-items:flex-start}
.feat-ico{
  width:26px;height:26px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;
  background:var(--jade-100);color:var(--jade-600);font-size:13px;font-weight:800;margin-top:3px;
}
.feat b{display:block;font-size:15.5px;font-weight:700;color:var(--ink);margin-bottom:3px}
.feat p{font-size:14.4px;color:var(--muted)}

.checklist{display:grid;gap:13px}
.checklist li{display:flex;gap:11px;align-items:flex-start;font-size:15px;color:var(--ink-2)}
.checklist li::before{
  content:"✓";flex-shrink:0;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;
  font-size:12px;font-weight:800;color:#fff;background:linear-gradient(140deg,var(--gold-500),var(--gold-400));margin-top:3px;
}

/* ---------- 知识体系 Tabs ---------- */
.tabs{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:26px}
.tab{
  padding:10px 18px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:700;color:var(--ink-2);cursor:pointer;transition:.25s;
}
.tab:hover{border-color:var(--gold-400);color:var(--gold-700)}
.tab[aria-selected="true"]{background:linear-gradient(135deg,#0E2C4A,#1B4E7E);color:#fff;border-color:transparent;box-shadow:0 14px 28px -18px rgba(14,44,74,.85)}
.tab span{display:block;font-size:11px;font-weight:600;opacity:.75;margin-top:1px}
.tab-panel{display:none}
.tab-panel.is-active{display:block;animation:fadeUp .38s ease both}
.mn-grid{display:grid;gap:26px;grid-template-columns:1.15fr .85fr;align-items:start}
.mn-title{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.mn-title h3{font-size:22px}
.mn-title small{display:block;font-size:12.5px;font-weight:600;color:var(--muted-2);letter-spacing:.04em}
.mn-list{display:grid;gap:10px}
.mn-list li{
  display:flex;gap:11px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-sm);padding:12px 15px;font-size:14.5px;color:var(--ink-2);box-shadow:var(--sh-1);
}
.mn-list li b{color:var(--gold-600);font-family:var(--ff-num);font-size:12.5px;font-weight:700;flex-shrink:0;margin-top:3px}
.meta-box{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r);padding:18px}
.meta-box dl{margin:0;display:grid;gap:11px}
.meta-box dt{font-size:12px;font-weight:700;color:var(--muted-2);letter-spacing:.06em}
.meta-box dd{margin:2px 0 0;font-size:14.5px;font-weight:700;color:var(--ink)}

/* ---------- 自测 / 计算器 ---------- */
.tool{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:28px;box-shadow:var(--sh-2)}
.tool-head{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.tool-head h3{font-size:19px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:700;color:var(--ink-2);margin-bottom:8px}
.opts{display:flex;flex-wrap:wrap;gap:8px}
.opt{
  padding:9px 15px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  font-size:13.5px;font-weight:600;color:var(--ink-2);cursor:pointer;transition:.2s;
}
.opt:hover{border-color:var(--gold-400)}
.opt.is-on{background:var(--gold-100);border-color:var(--gold-400);color:var(--gold-700);font-weight:700}
.opt.is-on::before{content:"✓ ";font-weight:800}
.tool-out{
  margin-top:18px;border-radius:var(--r);padding:20px;border:1px dashed #DCCFB0;background:linear-gradient(160deg,var(--gold-100),#fff);
}
.tool-out h4{font-size:16px;margin-bottom:8px}
.tool-out p{font-size:14.4px;color:var(--muted)}
.tool-out .sum{display:flex;align-items:baseline;gap:8px;margin:8px 0}
.tool-out .sum b{font-family:var(--ff-num);font-size:32px;font-weight:700;color:var(--gold-700);letter-spacing:-.02em}
.tool-out .sum span{font-size:13px;color:var(--muted)}
.calc-rows{margin-top:10px;border-top:1px dashed #DCCFB0;padding-top:12px;display:grid;gap:7px}
.calc-rows div{display:flex;justify-content:space-between;font-size:13.5px;color:var(--muted)}
.calc-rows div b{font-family:var(--ff-num);color:var(--ink-2);font-weight:700}

/* ---------- 表格 ---------- */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;box-shadow:var(--sh-1)}
table.tbl{width:100%;border-collapse:collapse;min-width:640px}
table.tbl th,table.tbl td{padding:14px 16px;text-align:left;font-size:14.2px;border-bottom:1px solid var(--line-2);vertical-align:top}
table.tbl thead th{background:var(--bg-soft);font-size:12.5px;font-weight:800;color:var(--navy-700);letter-spacing:.04em;white-space:nowrap}
table.tbl tbody tr:last-child td{border-bottom:0}
table.tbl tbody tr:hover{background:#FCFDFE}
table.tbl td b{color:var(--ink);font-weight:700}
table.tbl .num{font-family:var(--ff-num);white-space:nowrap}

/* ---------- 时间轴 ---------- */
.tl{position:relative;display:grid;gap:22px;margin-top:8px}
.tl::before{content:"";position:absolute;left:17px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--gold-400),rgba(176,138,75,.12))}
.tl li{position:relative;padding-left:56px}
.tl .tl-dot{
  position:absolute;left:0;top:2px;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  background:#fff;border:2px solid var(--gold-400);color:var(--gold-700);font-weight:800;font-size:14px;font-family:var(--ff-num);
}
.tl b{display:block;font-size:16px;color:var(--ink);margin-bottom:4px}
.tl p{font-size:14.4px;color:var(--muted)}
.sec-dark .tl::before{background:linear-gradient(180deg,var(--gold-400),rgba(201,169,106,.1))}
.sec-dark .tl .tl-dot{background:#0B2038;border-color:rgba(201,169,106,.6);color:var(--gold-300)}
.sec-dark .tl b{color:#fff}
.sec-dark .tl p{color:#A9BCCE}

/* 横向节点 */
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;counter-reset:s}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 18px;box-shadow:var(--sh-1);transition:.3s}
.step::before{
  counter-increment:s;content:counter(s,decimal-leading-zero);
  font-family:var(--ff-num);font-size:12.5px;font-weight:700;color:var(--gold-600);
  display:block;margin-bottom:10px;letter-spacing:.08em;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:#E0D3B4}
.step b{display:block;font-size:16px;color:var(--ink);margin-bottom:6px}
.step p{font-size:13.8px;color:var(--muted)}

/* ---------- 师资 ---------- */
.fac{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.fac-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1);transition:.3s;text-align:left}
.fac-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.fac-avatar{
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;font-size:22px;font-weight:800;color:#fff;
  background:linear-gradient(140deg,#123A63,#2C6AA6);margin-bottom:14px;box-shadow:0 14px 26px -18px rgba(18,58,99,.9);
}
.fac-card h3{font-size:16.5px;margin-bottom:4px}
.fac-card .role{font-size:12.5px;font-weight:700;color:var(--gold-600);margin-bottom:9px}
.fac-card p{font-size:13.8px;color:var(--muted);line-height:1.8}

/* ---------- 口碑 ---------- */
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);position:relative}
.quote::before{content:"”";position:absolute;right:20px;top:2px;font-size:64px;line-height:1;color:var(--gold-200);font-family:Georgia,serif}
.quote p{font-size:14.8px;color:var(--ink-2);line-height:1.9}
.quote footer{margin-top:14px;display:flex;align-items:center;gap:11px}
.quote .who{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-size:14px;font-weight:800;color:var(--navy-700);background:var(--bg-soft-2)}
.quote footer b{display:block;font-size:14px;color:var(--ink)}
.quote footer small{display:block;font-size:12px;color:var(--muted-2)}

/* ---------- 文章 ---------- */
.posts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.post{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:.3s}
.post:hover{transform:translateY(-5px);box-shadow:var(--sh-3);border-color:#E0D3B4}
.post-cover{height:132px;position:relative;display:grid;place-items:center;color:rgba(255,255,255,.92);font-weight:800;letter-spacing:.04em;
  background:linear-gradient(140deg,#0A1C2E,#123A63 58%,#2C6AA6)}
.post-cover em{font-style:normal;font-size:13px;padding:5px 12px;border:1px solid rgba(255,255,255,.34);border-radius:var(--r-pill);background:rgba(255,255,255,.1)}
.post-cover.g2{background:linear-gradient(140deg,#0E2C4A,#1B4E7E 60%,#0F7A6C)}
.post-cover.g3{background:linear-gradient(140deg,#123A63,#2C6AA6 62%,#B08A4B)}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:17px;line-height:1.45}
.post-body h3 a:hover{color:var(--navy-700)}
.post-body p{font-size:13.9px;color:var(--muted);flex:1}
.post-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--muted-2);padding-top:4px;border-top:1px solid var(--line-2)}

/* ---------- 文章正文 ---------- */
.prose{max-width:780px;font-size:16.4px;line-height:2.05;color:var(--ink-2)}
.prose h2{font-size:25px;margin:40px 0 14px;padding-left:14px;border-left:4px solid var(--gold-400)}
.prose h3{font-size:19.5px;margin:28px 0 10px}
.prose p{margin:0 0 18px}
.prose ul,.prose ol{margin:0 0 20px;display:grid;gap:10px}
.prose ul li{position:relative;padding-left:22px;font-size:15.8px}
.prose ul li::before{content:"";position:absolute;left:4px;top:13px;width:7px;height:7px;border-radius:50%;background:var(--gold-400)}
.prose ol{counter-reset:o}
.prose ol li{position:relative;padding-left:28px;counter-increment:o;font-size:15.8px}
.prose ol li::before{content:counter(o)".";position:absolute;left:0;top:0;font-weight:800;color:var(--gold-600);font-family:var(--ff-num);font-size:14px}
.prose blockquote{margin:24px 0;padding:18px 22px;background:var(--bg-soft);border-left:3px solid var(--gold-400);border-radius:0 var(--r) var(--r) 0;font-size:15.6px;color:var(--ink-2)}
.prose strong{color:var(--ink);font-weight:800}
.prose table{width:100%;border-collapse:collapse;margin:0 0 22px;font-size:14.6px}
.prose table th,.prose table td{border:1px solid var(--line);padding:11px 13px;text-align:left}
.prose table th{background:var(--bg-soft);font-weight:700;color:var(--navy-700);font-size:13.4px}
.kv-card{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r);padding:20px;margin:26px 0}
.kv-card h4{font-size:15px;margin-bottom:12px;color:var(--gold-700);letter-spacing:.04em}
.kv-card dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:9px 18px}
.kv-card dt{font-size:13.4px;font-weight:700;color:var(--muted-2)}
.kv-card dd{margin:0;font-size:14.6px;color:var(--ink-2)}
.article-hero{padding:44px 0 34px;background:linear-gradient(180deg,#F7F9FB,#fff);border-bottom:1px solid var(--line-2)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.8px;color:var(--muted-2);margin-bottom:16px}
.crumb a:hover{color:var(--gold-600)}
.crumb i{font-style:normal;opacity:.5}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start;padding:52px 0 76px}
.toc{position:sticky;top:calc(var(--hdr-h) + 20px);background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh-1)}
.toc h4{font-size:13px;letter-spacing:.1em;color:var(--muted-2);margin-bottom:12px;text-transform:uppercase}
.toc a{display:block;font-size:13.8px;color:var(--muted);padding:6px 0 6px 12px;border-left:2px solid var(--line);transition:.2s}
.toc a:hover,.toc a.is-on{color:var(--gold-700);border-color:var(--gold-400);font-weight:700}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:900px;margin:0 auto}
.acc{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh-1);transition:.25s}
.acc.is-open{border-color:#E0D3B4;box-shadow:var(--sh-2)}
.acc-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:15.6px;font-weight:700;color:var(--ink);
}
.acc-q:hover{color:var(--navy-700)}
.acc-q .mark{width:24px;height:24px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;background:var(--bg-soft-2);color:var(--gold-600);font-weight:700;font-size:15px;transition:.3s}
.acc.is-open .acc-q .mark{transform:rotate(45deg);background:var(--gold-100)}
.acc-a{max-height:0;overflow:hidden;transition:max-height .36s ease}
.acc-a-inner{padding:0 22px 20px;font-size:14.8px;color:var(--muted);line-height:1.95}
.acc-a-inner ul{display:grid;gap:8px;margin-top:10px}
.acc-a-inner li{padding-left:18px;position:relative}
.acc-a-inner li::before{content:"";position:absolute;left:2px;top:12px;width:6px;height:6px;border-radius:50%;background:var(--gold-400)}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-xl);padding:46px;color:#fff;
  background:
    radial-gradient(760px 340px at 88% -20%,rgba(176,138,75,.34),transparent 62%),
    linear-gradient(135deg,#081B2F,#123A63 56%,#1B4E7E);
  box-shadow:0 50px 90px -60px rgba(8,27,47,.95)}
.cta-band::after{content:"";position:absolute;right:-60px;bottom:-80px;width:280px;height:280px;border-radius:50%;border:1px solid rgba(201,169,106,.28)}
.cta-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;position:relative}
.cta-band h2{font-size:clamp(24px,2.9vw,34px);color:#fff}
.cta-band p{color:#BCCCDD;margin-top:12px;font-size:15.6px}
.cta-tel{display:flex;align-items:flex-end;gap:12px;margin-top:22px}
.cta-tel b{font-family:var(--ff-num);font-size:clamp(24px,3vw,34px);font-weight:700;letter-spacing:-.02em;color:#F0E2C4}
.cta-tel small{font-size:13px;color:#A9BCCE;padding-bottom:5px}

/* 表单 */
.form-grid{display:grid;gap:13px}
.form-grid .two{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.inp{
  width:100%;padding:13px 15px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.07);color:#fff;font-size:14.6px;font-family:inherit;transition:.25s;
}
.inp::placeholder{color:rgba(255,255,255,.5)}
.inp:focus{outline:none;border-color:var(--gold-400);background:rgba(255,255,255,.12)}
select.inp option{color:#0F172A}
.form-note{font-size:12.4px;color:#9BB0C5;text-align:center;margin-top:4px}
.form-ok{display:none;margin-top:12px;padding:14px 16px;border-radius:var(--r-sm);background:rgba(21,156,136,.16);border:1px solid rgba(21,156,136,.5);color:#CFEDE7;font-size:14px}
.form-ok.is-on{display:block;animation:fadeUp .3s ease both}
.form-err{color:#F3C8C8;font-size:12.6px;margin-top:6px;display:none}
.form-err.is-on{display:block}

/* 白色表单（浅底） */
.form-light .inp{background:#fff;border-color:var(--line);color:var(--ink)}
.form-light .inp::placeholder{color:var(--muted-2)}
.form-light .inp:focus{border-color:var(--gold-400);background:#fff}
.form-light .form-note{color:var(--muted-2)}
.form-light .form-ok{background:var(--jade-100);border-color:#BFE3DD;color:#0B5C51}

/* ---------- 页脚 ---------- */
.ftr{background:var(--navy-950);color:#93A8BF;padding:56px 0 0;font-size:14px}
.ftr-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:38px}
.ftr h4{font-size:14.5px;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.ftr ul{display:grid;gap:10px}
.ftr a{color:#93A8BF}
.ftr a:hover{color:var(--gold-400)}
.ftr-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.ftr-brand .brand-mark{width:40px;height:40px;border-radius:11px}
.ftr-brand strong{display:block;font-size:17px;color:var(--gold-400);font-weight:800;letter-spacing:.01em}
.ftr-brand span{display:block;font-size:11px;color:#6F8BA6;letter-spacing:.1em}
.ftr p{line-height:1.9;font-size:13.6px}
.ftr-contact{display:grid;gap:8px;margin-top:16px}
.ftr-contact div{display:flex;gap:9px;align-items:baseline}
.ftr-contact b{color:#fff;font-family:var(--ff-num);font-size:16px;font-weight:700}
.ftr-count{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.ftr-count span{font-size:12px;color:#8FA6BC;border:1px solid rgba(255,255,255,.14);border-radius:var(--r-pill);padding:4px 11px}
.ftr-bot{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.6px;color:#6F8BA6}
.ftr-bot a{color:#6F8BA6}
.ftr-bot a:hover{color:var(--gold-400)}

/* ---------- 悬浮咨询 ---------- */
.rail{position:fixed;right:18px;bottom:26px;z-index:55;display:grid;gap:10px}
.rail a,.rail button{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;gap:0;border:1px solid var(--line);
  background:#fff;color:var(--navy-700);box-shadow:var(--sh-2);cursor:pointer;transition:.28s;font-size:11px;font-weight:700;line-height:1.15;text-align:center;padding:6px;
}
.rail a:hover,.rail button:hover{transform:translateY(-3px);box-shadow:var(--sh-3);color:var(--gold-700);border-color:var(--gold-400)}
.rail .rail-gold{background:linear-gradient(140deg,#B08A4B,#C9A96A);color:#fff;border-color:transparent}
.rail .rail-gold:hover{color:#fff}
.rail .ico{font-size:19px}
.rail-top{opacity:0;visibility:hidden}
.rail-top.is-on{opacity:1;visibility:visible}
.mbar{display:none}

/* ---------- 统计条 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.metric{text-align:center;padding:24px 16px;border-radius:var(--r);background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1)}
.metric b{display:block;font-family:var(--ff-num);font-size:34px;font-weight:700;letter-spacing:-.03em;
  background:linear-gradient(112deg,#9A7738,#B08A4B);-webkit-background-clip:text;background-clip:text;color:transparent}
.metric span{display:block;font-size:13px;color:var(--muted);margin-top:6px}
.sec-dark .metric{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12)}
.sec-dark .metric b{background:linear-gradient(112deg,#C9A96A,#EDDDBB);-webkit-background-clip:text;background-clip:text;color:transparent}
.sec-dark .metric span{color:#A9BCCE}

/* ---------- 提示条 ---------- */
.notice{display:flex;gap:12px;align-items:flex-start;background:var(--gold-100);border:1px solid #E7D9B6;border-radius:var(--r);padding:16px 18px;font-size:14.2px;color:#6B5520}
.notice.jade{background:var(--jade-100);border-color:#BFE3DD;color:#0B5C51}
.notice b{color:inherit}

/* ---------- 城市考点 ---------- */
.cities{display:flex;flex-wrap:wrap;gap:9px}
.cities span{font-size:13.4px;font-weight:600;color:var(--navy-700);background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);padding:8px 14px;transition:.22s}
.cities span:hover{border-color:var(--gold-400);color:var(--gold-700);transform:translateY(-2px)}

/* ---------- 动画 ---------- */
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
html.reveal-ready .reveal{opacity:0;transform:translateY(18px)}
.reveal.is-in{opacity:1;transform:none;transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .fac{grid-template-columns:repeat(2,minmax(0,1fr))}
  .posts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:30px}
  .toc{position:static}
}
@media (max-width:1024px){
  .g-4,.g-5{grid-template-columns:repeat(2,minmax(0,1fr))}
  .g-side,.g-side-alt,.mn-grid,.cta-grid{grid-template-columns:minmax(0,1fr);gap:32px}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:32px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .nav{display:none}
  .burger{display:flex}
  .hdr-tel{display:none}
  .ftr-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:760px){
  body{font-size:15.6px}
  .sec{padding:56px 0}
  .sec-tight{padding:42px 0}
  .g-2,.g-3,.g-4,.g-5{grid-template-columns:minmax(0,1fr)}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{padding:28px 22px;border-radius:var(--r-lg)}
  .card,.tool{padding:22px 18px}
  .panel{padding:20px}
  .wrap,.wrap-wide{padding:0 16px}
  .rail{display:none}
  .mbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:58;gap:8px;padding:9px 12px calc(9px + env(safe-area-inset-bottom));
    background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-top:1px solid var(--line);
  }
  .mbar .btn{flex:1;padding:12px 10px;font-size:14px}
  body{padding-bottom:66px}
  .ftr-grid{grid-template-columns:1fr}
  .form-grid .two{grid-template-columns:1fr}
  .posts{grid-template-columns:minmax(0,1fr)}
  .steps,.fac{grid-template-columns:minmax(0,1fr)}
  .hdr-cta .btn{display:none}
  .brand-mark{width:38px;height:38px;border-radius:11px;font-size:14px}
  .brand-txt strong{font-size:15px}
  .brand-txt span{font-size:10px}
  .topbar-l{font-size:11.5px}
  .topbar-r a:nth-child(2){display:none}
  .article-hero{padding:30px 0 24px}
  .article-layout{padding:34px 0 56px}
  .prose{font-size:15.8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
}
@media print{
  .hdr,.topbar,.rail,.mbar,.ftr,.cta-band{display:none}
  body{color:#000}
}
.skip{position:absolute;left:-9999px;top:0;z-index:200;background:var(--navy-800);color:#fff;padding:10px 16px;border-radius:0 0 var(--r-sm) 0;font-size:14px;font-weight:700}
.skip:focus{left:0}
.mnav .mnav-child{padding-left:18px;font-weight:500;font-size:14px;color:var(--muted)}