/* 质量底座 - 统一华丽主题 (青蓝主色 + 四 accent，呼应学院首页色板) */
:root{
    --bg:#f4f7fb;--surface:#ffffff;--text:#16222f;--text-2:#45505f;--text-3:#8a97a8;
    --border:#e7ecf2;--border-light:#f1f4f8;
    --c50:#ecfeff;--c100:#cffafe;--c200:#a5f3fc;--c400:#22d3ee;--c500:#06b6d4;--c600:#0891b2;--c700:#0e7490;--c900:#134e5e;
    --a50:#fffbeb;--a100:#fef3c7;--a400:#fbbf24;--a500:#f59e0b;--a600:#d97706;
    --g50:#ecfdf5;--g100:#d1fae5;--g500:#10b981;--g600:#059669;
    --p50:#faf5ff;--p100:#f3e8ff;--p500:#a855f7;--p600:#7c3aed;
    --r50:#fff1f2;--r100:#ffe4e6;--r500:#f43f5e;--r600:#e11d48;
    --shadow-sm:0 1px 3px rgba(15,26,42,.05),0 1px 2px rgba(15,26,42,.04);
    --shadow-md:0 6px 16px rgba(15,26,42,.08),0 2px 6px rgba(15,26,42,.05);
    --shadow-lg:0 16px 40px rgba(15,26,42,.12),0 4px 12px rgba(15,26,42,.06);
    --shadow-xl:0 24px 60px rgba(15,26,42,.16);
    --r-sm:8px;--r-md:12px;--r-lg:16px;--r-xl:22px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;color:var(--text);background:var(--bg);line-height:1.7;font-size:15px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:all .25s cubic-bezier(.4,0,.2,1)}
.wrap{max-width:1180px;margin:0 auto;padding:26px 24px 56px}

/* ---- 紧凑 hero（解决头重脚轻）---- */
.hero{position:relative;background:linear-gradient(150deg,var(--c900) 0%,#0e5f74 45%,var(--c600) 100%);color:#fff;padding:56px 0 64px;overflow:hidden}
.hero::before{content:"";position:absolute;top:-160px;right:-70px;width:520px;height:520px;background:radial-gradient(circle,rgba(34,211,238,.18) 0%,transparent 70%);border-radius:50%}
.hero::after{content:"";position:absolute;bottom:-120px;left:-50px;width:420px;height:420px;background:radial-gradient(circle,rgba(8,145,178,.14) 0%,transparent 70%);border-radius:50%}
.hero .tex{position:absolute;inset:0;background-image:radial-gradient(circle at 20% 30%,rgba(34,211,238,.08) 0%,transparent 50%),radial-gradient(circle at 80% 75%,rgba(165,243,252,.07) 0%,transparent 50%)}
.hero .in{position:relative;z-index:1;max-width:1120px;margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.hero .badge{flex:1 1 380px;min-width:300px}
.hero .tag-line{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;letter-spacing:3px;color:rgba(255,255,255,.55);font-weight:600;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);padding:5px 12px;border-radius:20px;margin-bottom:14px;text-transform:uppercase}
.hero h1{font-size:40px;font-weight:750;line-height:1.2;letter-spacing:-.5px;margin-bottom:10px}
.hero h1 b{background:linear-gradient(135deg,var(--c200),#67e8f9);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero .sub{font-size:15.5px;color:rgba(255,255,255,.72);line-height:1.8;max-width:640px}
.hero .stats{flex:0 0 auto;display:flex;gap:0;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-xl);backdrop-filter:blur(8px);overflow:hidden}
.hero .stat{padding:18px 26px;text-align:center;border-right:1px solid rgba(255,255,255,.12)}
.hero .stat:last-child{border-right:none}
.hero .stat .n{font-size:30px;font-weight:750;letter-spacing:-.5px;line-height:1;background:linear-gradient(135deg,#fff,#bfeef9);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero .stat .l{font-size:11px;color:rgba(255,255,255,.55);margin-top:6px;letter-spacing:.5px}
.bk{display:inline-flex;align-items:center;gap:8px;color:var(--c700);font-weight:600;font-size:13.5px;background:#fff;border:1px solid var(--border);border-radius:var(--r-md);padding:8px 14px;box-shadow:var(--shadow-sm);margin-bottom:22px}
.bk:hover{color:#fff;background:var(--c600);border-color:var(--c600);transform:translateY(-1px)}

/* ---- 分区 ---- */
.sec{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-xl);padding:34px 30px;margin-bottom:26px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
.sec::before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:linear-gradient(180deg,var(--c500),var(--c400))}
.sec.b-a::before{background:linear-gradient(180deg,var(--a500),var(--a400))}
.sec.b-g::before{background:linear-gradient(180deg,var(--g500),var(--g100))}
.sec.b-p::before{background:linear-gradient(180deg,var(--p500),var(--p400))}
.sec.b-r::before{background:linear-gradient(180deg,var(--r500),var(--r400))}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.sec-head h2{font-size:22px;font-weight:700;color:var(--text);letter-spacing:-.3px;display:flex;align-items:center;gap:10px}
.sec-head h2 .dot{width:10px;height:10px;border-radius:3px;background:linear-gradient(135deg,var(--c500),var(--c400))}
.sec-head .desc{font-size:13.5px;color:var(--text-3);line-height:1.7}

/* ---- 卡片网格 ---- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.grid.col2{grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}
.cd{display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:20px 20px;position:relative;overflow:hidden;transition:all .28s cubic-bezier(.4,0,.2,1)}
.cd:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--c200)}
.cd::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
.cd:hover::after{transform:scaleX(1)}
.cd.i-c::after{background:linear-gradient(90deg,var(--c500),var(--c400))}
.cd.i-a::after{background:linear-gradient(90deg,var(--a500),var(--a400))}
.cd.i-g::after{background:linear-gradient(90deg,var(--g500),var(--g400))}
.cd.i-p::after{background:linear-gradient(90deg,var(--p500),var(--p400))}
.cd .emoji{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px;flex-shrink:0}
.cd.i-c .emoji{background:var(--c50);box-shadow:inset 0 0 0 1px var(--c100)}
.cd.i-a .emoji{background:var(--a50);box-shadow:inset 0 0 0 1px var(--a100)}
.cd.i-g .emoji{background:var(--g50);box-shadow:inset 0 0 0 1px var(--g100)}
.cd.i-p .emoji{background:var(--p50);box-shadow:inset 0 0 0 1px var(--p100)}
.cd h4{font-size:15.5px;font-weight:650;color:var(--text);margin-bottom:6px;letter-spacing:-.2px}
.cd p{font-size:13px;color:var(--text-2);line-height:1.7;flex:1}
.cd .tag{margin-top:12px;display:inline-block;align-self:flex-start;font-size:11px;font-weight:600;color:var(--c700);background:var(--c50);border:1px solid var(--c100);padding:3px 10px;border-radius:12px}
.cd.i-c .tag{color:var(--c700);background:var(--c50);border-color:var(--c100)}
.cd.i-a .tag{color:var(--a600);background:var(--a50);border-color:var(--a100)}
.cd.i-g .tag{color:var(--g600);background:var(--g50);border-color:var(--g100)}
.cd.i-p .tag{color:var(--p600);background:var(--p50);border-color:var(--p100)}
.cd:hover h4{color:var(--c600)}

/* ---- 表格 ---- */
table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-sm)}
th{background:linear-gradient(135deg,var(--c700),var(--c600));color:#fff;font-size:13px;font-weight:600;padding:12px 14px;text-align:left;letter-spacing:.3px}
td{padding:11px 14px;font-size:13px;color:var(--text-2);border-bottom:1px solid var(--border-light);vertical-align:top}
tbody tr:nth-child(even){background:#f8fafc}
tbody tr:hover{background:var(--c50)}

/* ---- 信息框 ---- */
.note{background:linear-gradient(135deg,var(--a50),#fff7e6);border:1px solid var(--a100);border-left:5px solid var(--a500);border-radius:var(--r-md);padding:18px 20px;margin-bottom:16px}
.note h3{font-size:14.5px;color:var(--a600);margin-bottom:8px}
.note p,.note li{font-size:13.5px;color:var(--text-2);line-height:1.8}
.soft{background:#fff;border:1px solid var(--border);border-left:5px solid var(--c600);border-radius:var(--r-md);padding:16px 18px;margin-bottom:14px;box-shadow:var(--shadow-sm)}
.soft strong{color:var(--c700)}
.soft p,.soft li{font-size:13.5px;color:var(--text-2);line-height:1.8}
.casebox{background:linear-gradient(135deg,#f0fdfa,#e7f8ff);border:1px solid var(--g100);border-left:5px solid var(--g500);border-radius:var(--r-md);padding:20px 22px}
.casebox h3{font-size:14.5px;color:var(--g600);margin-bottom:10px}
.casebox p,.casebox li{font-size:13.5px;color:var(--text-2);line-height:1.8}

ul.clean,li{list-style:none}
.sec ul.clean li{font-size:13.5px;color:var(--text-2);padding:8px 0 8px 22px;position:relative;border-bottom:1px dotted var(--border-light);line-height:1.7}
.sec ul.clean li::before{content:"";position:absolute;left:4px;top:16px;width:6px;height:6px;border-radius:2px;background:linear-gradient(135deg,var(--c500),var(--c400))}
.sec ul.clean li:last-child{border-bottom:none}
.sec ul.clean li b{color:var(--c700)}
.flow{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-2);line-height:2.2}
.flow b{color:var(--c600)}

/* ---- 页脚 ---- */
.foot{background:linear-gradient(135deg,var(--text),#22304a);color:rgba(255,255,255,.5);text-align:center;padding:26px 16px;font-size:12.5px;letter-spacing:.5px}
.foot b{color:rgba(255,255,255,.8)}

@media(max-width:900px){.hero{padding:44px 0 50px}.hero h1{font-size:30px}.hero .stats{width:100%;flex-wrap:wrap}.hero .stat{flex:1;border:none;border-bottom:1px solid rgba(255,255,255,.1)}.sec{padding:26px 20px}.grid,.grid.col2{grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}}
@media(max-width:600px){.sec-head{flex-direction:column}.grid,.grid.col2{grid-template-columns:1fr 1fr}.wrap{padding:20px 16px 40px}}