/* =========================================================
   新概念AI家教 · 统一站点设计系统 v2（现代教培风升级）
   主色：教育绿 #0E9F6E / 暖橙 CTA #FB8C00 / 智慧紫 #5B5BF0
   ========================================================= */
:root{
  --pri:#0E9F6E; --pri-d:#0B7E57; --pri-l:#E7F6EF; --pri-x:#CDEADD;
  --acc:#FB8C00; --acc-d:#E2760A; --acc-l:#FFF1DD;
  --ind:#5B5BF0; --ind-d:#4646c8; --ind-l:#EEF0FF;
  --ink:#16241F; --t2:#46564F; --t3:#8A9790;
  --bg:#F5FAF8; --bg2:#EFF6F2; --card:#FFFFFF; --line:#E4EEE9;
  --shadow:0 14px 40px rgba(16,60,45,.10);
  --shadow-s:0 6px 18px rgba(16,60,45,.07);
  --shadow-h:0 22px 50px rgba(16,60,45,.16);
  --radius:20px; --radius-s:14px; --radius-xs:10px;
  --maxw:1120px; --maxw2:760px;
  --serif:"PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",var(--serif);
  color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.container.narrow{max-width:var(--maxw2)}
.muted{color:var(--t2)}
.center{text-align:center}
.small{font-size:13px}
.hidden{display:none!important}

/* ---------- 顶部导航 ---------- */
.site-nav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.82);
  backdrop-filter:saturate(160%) blur(14px);border-bottom:1px solid var(--line)}
.site-nav .bar{max-width:var(--maxw);margin:0 auto;padding:0 22px;height:66px;
  display:flex;align-items:center;justify-content:space-between;gap:14px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:18px;color:var(--ink);white-space:nowrap}
.brand .mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--pri),var(--ind));
  display:grid;place-items:center;flex:0 0 38px;box-shadow:0 6px 16px rgba(14,159,110,.3)}
.brand .mark svg{width:22px;height:22px}
.brand b{letter-spacing:-.3px}
.brand .sub{font-size:11px;color:var(--t3);font-weight:600;margin-left:-5px;letter-spacing:.5px}
.nav-links{display:flex;align-items:center;gap:2px;flex-wrap:wrap}
.nav-links a{padding:9px 13px;border-radius:11px;font-size:14.5px;font-weight:600;color:var(--t2);transition:.15s;white-space:nowrap}
.nav-links a:hover{background:var(--pri-l);color:var(--pri-d)}
.nav-links a.active{color:var(--pri-d);background:var(--pri-l)}
.nav-cta{background:var(--acc);color:#fff;border:none;border-radius:999px;padding:10px 20px;
  font-size:14px;font-weight:700;cursor:pointer;transition:.15s;box-shadow:0 8px 18px rgba(251,140,0,.3)}
.nav-cta:hover{background:var(--acc-d);transform:translateY(-1px)}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;color:var(--ink);padding:6px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:4px 0;border-radius:2px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--pri);color:#fff;
  padding:14px 28px;border-radius:999px;font-weight:700;font-size:15px;border:none;cursor:pointer;transition:.18s;
  box-shadow:0 10px 24px rgba(14,159,110,.28);font-family:inherit}
.btn:hover{background:var(--pri-d);transform:translateY(-2px);box-shadow:0 16px 30px rgba(14,159,110,.34)}
.btn:active{transform:translateY(0)}
.btn.acc{background:var(--acc);box-shadow:0 10px 24px rgba(251,140,0,.32)}
.btn.acc:hover{background:var(--acc-d)}
.btn.ghost{background:#fff;color:var(--pri-d);border:1.6px solid var(--pri);box-shadow:none}
.btn.ghost:hover{background:var(--pri-l)}
.btn.ind{background:var(--ind);box-shadow:0 10px 24px rgba(91,91,240,.28)}
.btn.ind:hover{background:var(--ind-d)}
.btn.block{width:100%}
.btn-lg{padding:16px 36px;font-size:16.5px}
.btn[disabled]{opacity:.6;cursor:not-allowed;transform:none}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;color:#fff;
  background:radial-gradient(1000px 460px at 85% -12%,rgba(91,91,240,.30),transparent 60%),
            radial-gradient(700px 380px at 8% 120%,rgba(251,140,0,.22),transparent 55%),
            linear-gradient(155deg,#0a2a22 0%,#0E9F6E 52%,#0B7E57 100%)}
.hero::before{content:"";position:absolute;inset:0;background-image:
  radial-gradient(circle at 20% 30%,rgba(255,255,255,.06) 0,transparent 2px),
  radial-gradient(circle at 70% 60%,rgba(255,255,255,.05) 0,transparent 2px);
  background-size:34px 34px;opacity:.5}
.hero .container{position:relative;display:grid;grid-template-columns:1.12fr .88fr;gap:30px;align-items:center;padding:74px 22px 80px}
.hero h1{font-size:clamp(30px,4.4vw,46px);line-height:1.16;font-weight:800;letter-spacing:-.5px}
.hero h1 .hl{background:linear-gradient(90deg,#9be7c4,#ffe0b3);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{margin:18px 0 26px;font-size:17px;color:#dcf2ea;max-width:540px}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap}
.hero .badges{margin-top:24px;display:flex;gap:10px;flex-wrap:wrap}
.hero .badge{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  padding:8px 15px;border-radius:999px;font-size:13px;color:#eafaf2;backdrop-filter:blur(4px)}
.hero-visual{position:relative;display:grid;place-items:center}
.hero-visual svg{width:100%;max-width:380px;filter:drop-shadow(0 24px 40px rgba(0,0,0,.28))}
.hero-float{position:absolute;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);
  backdrop-filter:blur(8px);border-radius:14px;padding:10px 14px;font-size:13px;font-weight:600;color:#fff;
  display:flex;align-items:center;gap:8px;box-shadow:0 10px 24px rgba(0,0,0,.18)}
.hero-float .dot{width:8px;height:8px;border-radius:50%;background:#7CF0C0;box-shadow:0 0 0 4px rgba(124,240,192,.3)}
.hf-1{top:8%;left:-6%}
.hf-2{bottom:10%;right:-4%}

/* ---------- 区段 ---------- */
.section{padding:72px 0}
.section.tint{background:var(--bg2)}
.sec-head{text-align:center;max-width:740px;margin:0 auto 42px}
.sec-head .kicker{display:inline-block;color:var(--pri-d);font-weight:700;font-size:13px;letter-spacing:1.5px;
  background:var(--pri-l);padding:6px 15px;border-radius:999px;margin-bottom:16px}
.sec-head h2{font-size:clamp(24px,3.2vw,32px);font-weight:800;letter-spacing:-.3px}
.sec-head p{margin-top:12px;color:var(--t2);font-size:16px}

/* ---------- 数据条 ---------- */
.statbar{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:0 auto;max-width:var(--maxw)}
.statbox{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 18px;text-align:center;
  box-shadow:var(--shadow-s);transition:.2s}
.statbox:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.statbox .num{font-size:34px;font-weight:800;color:var(--pri);line-height:1}
.statbox .num .u{font-size:16px;color:var(--acc);font-weight:700;margin-left:2px}
.statbox .lab{margin-top:8px;font-size:14px;color:var(--t2);font-weight:600}

/* ---------- 网格 / 卡片 ---------- */
.grid{display:grid;gap:22px}
.grid.c2{grid-template-columns:repeat(2,1fr)}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  box-shadow:var(--shadow-s);transition:.2s;display:flex;flex-direction:column;position:relative}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h)}
.card .ico{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--pri-l),var(--ind-l));margin-bottom:16px}
.card .ico svg{width:30px;height:30px}
.card h3{font-size:18.5px;font-weight:800;margin-bottom:8px}
.card p{color:var(--t2);font-size:14.5px;flex:1}
.card .more{margin-top:16px;color:var(--pri-d);font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:5px}
.card .more svg{width:15px;height:15px;transition:.2s}
.card:hover .more svg{transform:translateX(4px)}
.card .price{margin-top:12px;font-size:24px;font-weight:800;color:var(--acc)}
.card .price small{font-size:13px;color:var(--t3);font-weight:600}
.card .tag{display:inline-block;align-self:flex-start;background:var(--ind-l);color:var(--ind);
  font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;margin-bottom:12px}
.card.feature{background:linear-gradient(160deg,#fff,#f1fbf6);border-color:var(--pri-x)}

/* ---------- 步骤 ---------- */
.steps{display:grid;gap:18px;grid-template-columns:repeat(3,1fr)}
.step{display:flex;gap:15px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-s)}
.step .num{width:34px;height:34px;flex:0 0 34px;border-radius:50%;background:linear-gradient(135deg,var(--pri),var(--ind));
  color:#fff;font-size:15px;font-weight:800;display:grid;place-items:center}
.step h3{font-size:16px;font-weight:800}
.step p{font-size:13.5px;color:var(--t2);margin-top:4px}

/* ---------- 评价/案例 ---------- */
.reviews{display:grid;gap:18px;grid-template-columns:repeat(2,1fr)}
.review{background:#fff;border:1px solid var(--line);border-left:4px solid var(--pri);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow-s)}
.review .stars{color:#FFB400;font-size:15px;letter-spacing:2px}
.review p{font-size:14.5px;color:var(--ink);margin:8px 0}
.review .who{font-size:13px;color:var(--t3);font-weight:600}
.review .who b{color:var(--pri-d)}
.case{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-s);
  display:flex;flex-direction:column;gap:10px}
.case .subj{display:inline-flex;align-items:center;gap:6px;align-self:flex-start;background:var(--acc-l);color:var(--acc-d);
  font-size:12.5px;font-weight:700;padding:4px 12px;border-radius:999px}
.case .delta{font-size:30px;font-weight:800;color:var(--pri);line-height:1}
.case .delta small{font-size:14px;color:var(--t3);font-weight:600}
.case .meta{font-size:13.5px;color:var(--t2)}
.case .quote{font-size:14px;color:var(--ink);font-style:italic}

/* ---------- 表单 ---------- */
.form-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;
  box-shadow:var(--shadow);max-width:560px;margin:0 auto}
.form-wrap h3{font-size:21px;font-weight:800;margin-bottom:6px}
.form-wrap .sub{color:var(--t2);font-size:14.5px;margin-bottom:20px}
form{display:flex;flex-direction:column;gap:14px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:13.5px;font-weight:700;color:var(--ink)}
.field input,.field select,.field textarea{width:100%;border:1.6px solid #d3e2db;border-radius:12px;padding:13px 15px;
  font-size:15px;background:#fff;color:var(--ink);font-family:inherit;transition:.15s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--pri);box-shadow:0 0 0 3px var(--pri-l)}
.field textarea{resize:vertical;min-height:88px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-note{font-size:12.5px;color:var(--t3);text-align:center;margin-top:4px}
.form-success{display:none;background:var(--pri-l);color:var(--pri-d);border-radius:14px;padding:20px;
  text-align:center;font-size:15px;font-weight:600;line-height:1.6}
.form-success.show{display:block;animation:pop .4s ease}
@keyframes pop{from{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}

/* ---------- 价格 / 套餐 ---------- */
.price-grid{display:grid;gap:22px;grid-template-columns:repeat(3,1fr)}
.price-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  box-shadow:var(--shadow-s);text-align:center;transition:.2s;display:flex;flex-direction:column}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h)}
.price-card.hot{border:2px solid var(--acc);position:relative}
.price-card .hot-tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--acc);
  color:#fff;font-size:12px;font-weight:700;padding:5px 16px;border-radius:999px;box-shadow:0 6px 14px rgba(251,140,0,.35)}
.price-card .nm{font-size:19px;font-weight:800}
.price-card .pr{font-size:34px;font-weight:800;color:var(--acc);margin:12px 0}
.price-card .pr small{font-size:14px;color:var(--t3);font-weight:600}
.price-card ul{list-style:none;text-align:left;margin:18px 0;display:flex;flex-direction:column;gap:10px;flex:1}
.price-card li{font-size:14px;color:var(--t2);padding-left:26px;position:relative}
.price-card li::before{content:"";position:absolute;left:0;top:6px;width:16px;height:16px;border-radius:50%;
  background:var(--pri-l);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230E9F6E' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");background-size:11px;background-repeat:no-repeat;background-position:center}

/* ---------- 渠道 / 列表 ---------- */
.channels{display:flex;flex-direction:column;gap:13px}
.channel{display:flex;align-items:center;gap:15px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow-s);transition:.2s}
.channel:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.channel .rk{width:34px;height:34px;flex:0 0 34px;border-radius:11px;background:var(--acc-l);color:var(--acc-d);
  font-weight:800;font-size:15px;display:grid;place-items:center}
.channel .ct{flex:1}
.channel .ct h4{font-size:15.5px;font-weight:800}
.channel .ct p{font-size:13px;color:var(--t2)}
.channel .eff{font-size:13px;color:var(--pri-d);font-weight:700;white-space:nowrap}

/* ---------- CTA 横幅 ---------- */
.cta-band{background:linear-gradient(135deg,var(--pri),var(--ind));color:#fff;border-radius:26px;
  padding:48px 32px;text-align:center;box-shadow:var(--shadow);position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-40px;top:-40px;width:200px;height:200px;border-radius:50%;
  background:rgba(255,255,255,.12)}
.cta-band h2{font-size:clamp(22px,3vw,28px);font-weight:800;margin-bottom:12px}
.cta-band p{color:#eafaf2;font-size:16px;margin-bottom:24px}

/* ---------- AI 学情诊断 ---------- */
.diag{background:linear-gradient(160deg,#fff,#f1fbf6);border:1px solid var(--pri-x);border-radius:24px;
  padding:34px;box-shadow:var(--shadow);max-width:920px;margin:0 auto}
.diag-head{text-align:center;margin-bottom:24px}
.diag-head .kicker{display:inline-block;color:var(--ind-d);font-weight:700;font-size:13px;letter-spacing:1px;
  background:var(--ind-l);padding:5px 14px;border-radius:999px;margin-bottom:12px}
.diag-head h3{font-size:24px;font-weight:800}
.diag-head p{color:var(--t2);font-size:15px;margin-top:8px}
.diag-progress{height:8px;background:var(--bg2);border-radius:999px;overflow:hidden;margin:0 auto 26px;max-width:420px}
.diag-progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--pri),var(--ind));
  border-radius:999px;transition:width .4s ease}
.diag-step{display:none}
.diag-step.active{display:block;animation:fade .35s ease}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.diag-q{font-size:18px;font-weight:800;margin-bottom:18px;text-align:center}
.diag-opts{display:grid;gap:12px;max-width:560px;margin:0 auto}
.diag-opt{background:#fff;border:1.6px solid var(--line);border-radius:14px;padding:15px 18px;cursor:pointer;
  font-size:15px;font-weight:600;transition:.15s;display:flex;align-items:center;gap:12px}
.diag-opt:hover{border-color:var(--pri);background:var(--pri-l)}
.diag-opt.sel{border-color:var(--pri);background:var(--pri-l);box-shadow:0 0 0 3px var(--pri-x)}
.diag-opt .k{width:26px;height:26px;flex:0 0 26px;border-radius:8px;background:var(--bg2);display:grid;place-items:center;
  font-weight:800;color:var(--pri-d);font-size:13px}
.diag-opt.sel .k{background:var(--pri);color:#fff}
.diag-nav{display:flex;justify-content:space-between;margin-top:24px;max-width:560px;margin-left:auto;margin-right:auto}
.diag-back{background:none;border:none;color:var(--t3);font-weight:600;cursor:pointer;font-size:14px;padding:10px}
.diag-back:hover{color:var(--pri-d)}
/* 报告 */
.diag-report{display:none;animation:fade .4s ease}
.diag-report.show{display:block}
.report-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;margin-bottom:24px}
.report-radar{display:grid;place-items:center}
.report-radar svg{width:100%;max-width:300px}
.report-score .big{font-size:54px;font-weight:800;color:var(--pri);line-height:1}
.report-score .big small{font-size:18px;color:var(--t3);font-weight:600}
.report-score .lab{font-size:15px;color:var(--t2);margin:6px 0 14px}
.report-tips{display:flex;flex-direction:column;gap:12px}
.report-tip{background:#fff;border:1px solid var(--line);border-left:4px solid var(--acc);border-radius:12px;
  padding:14px 16px;font-size:14px;color:var(--t2)}
.report-tip b{color:var(--ink)}
.report-cta{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;margin-top:8px}
.report-cta h4{font-size:17px;font-weight:800;margin-bottom:4px}
.report-cta p{font-size:13.5px;color:var(--t2);margin-bottom:14px}

/* ---------- 预约 ---------- */
.book-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:start}
.book-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-s)}
.slots{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:6px}
.slot{background:#fff;border:1.6px solid var(--line);border-radius:11px;padding:12px 8px;text-align:center;cursor:pointer;
  font-size:13.5px;font-weight:600;transition:.15s;color:var(--t2)}
.slot:hover{border-color:var(--pri);background:var(--pri-l)}
.slot.sel{border-color:var(--pri);background:var(--pri);color:#fff}
.slot.dis{opacity:.4;cursor:not-allowed;text-decoration:line-through}
.book-aside{background:linear-gradient(160deg,#0a2a22,#0E9F6E);color:#fff;border-radius:var(--radius);padding:28px;
  box-shadow:var(--shadow)}
.book-aside h4{font-size:18px;font-weight:800;margin-bottom:14px}
.book-aside ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.book-aside li{display:flex;gap:10px;font-size:14.5px;color:#dcf2ea}
.book-aside li .ck{color:#7CF0C0;font-weight:800}
.book-summary{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:18px}
.book-summary .row{display:flex;justify-content:space-between;padding:7px 0;font-size:14.5px;border-bottom:1px dashed var(--line)}
.book-summary .row:last-child{border-bottom:none}
.book-summary .row b{color:var(--pri-d)}

/* ---------- 计算器 ---------- */
.calc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);
  display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
.calc-in .field{margin-bottom:18px}
.calc-in label{display:flex;justify-content:space-between;margin-bottom:8px}
.calc-in label .val{color:var(--pri-d);font-weight:800}
.calc-in input[type=range]{width:100%;accent-color:var(--pri);height:6px}
.calc-in .seg{display:flex;gap:8px;flex-wrap:wrap}
.calc-in .seg button{flex:1;min-width:90px;padding:11px;border:1.6px solid var(--line);background:#fff;border-radius:11px;
  font-weight:700;font-size:14px;cursor:pointer;color:var(--t2);transition:.15s;font-family:inherit}
.calc-in .seg button.on{border-color:var(--pri);background:var(--pri-l);color:var(--pri-d)}
.calc-out{background:linear-gradient(160deg,#f1fbf6,#e7f6ef);border:1px solid var(--pri-x);border-radius:18px;padding:26px}
.calc-out .row{display:flex;justify-content:space-between;align-items:baseline;padding:12px 0;border-bottom:1px dashed var(--pri-x)}
.calc-out .row:last-of-type{border-bottom:none}
.calc-out .row .k{font-size:14px;color:var(--t2)}
.calc-out .row .v{font-size:20px;font-weight:800;color:var(--ink)}
.calc-out .row .v.acc{color:var(--acc)}
.calc-out .row .v.pri{color:var(--pri)}
.calc-out .hl{margin-top:16px;background:var(--pri);color:#fff;border-radius:14px;padding:16px;text-align:center}
.calc-out .hl .big{font-size:30px;font-weight:800}
.calc-out .hl .small{font-size:13px;opacity:.92;margin-top:2px}
.calc-bar{height:10px;background:#fff;border-radius:999px;overflow:hidden;margin-top:10px;border:1px solid var(--pri-x)}
.calc-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--acc),var(--pri));border-radius:999px}

/* ---------- 教员筛选 ---------- */
.filterbar{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:30px}
.chip{padding:9px 18px;border-radius:999px;border:1.6px solid var(--line);background:#fff;font-weight:700;font-size:14px;
  cursor:pointer;color:var(--t2);transition:.15s;font-family:inherit}
.chip:hover{border-color:var(--pri);color:var(--pri-d)}
.chip.on{background:var(--pri);border-color:var(--pri);color:#fff}
.tutors{display:grid;gap:20px;grid-template-columns:repeat(3,1fr)}
.tutor{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-s);
  transition:.2s;display:flex;flex-direction:column;gap:12px}
.tutor:hover{transform:translateY(-4px);box-shadow:var(--shadow-h)}
.tutor .top{display:flex;align-items:center;gap:14px}
.tutor .av{width:54px;height:54px;border-radius:50%;background:linear-gradient(135deg,var(--pri),var(--ind));
  color:#fff;display:grid;place-items:center;font-size:20px;font-weight:800;flex:0 0 54px}
.tutor .nm{font-size:17px;font-weight:800}
.tutor .nm .sch{display:block;font-size:12.5px;color:var(--t3);font-weight:600}
.tutor .rate{color:#FFB400;font-size:14px;font-weight:700}
.tutor .rate span{color:var(--t3);font-weight:600}
.tutor .tags{display:flex;flex-wrap:wrap;gap:7px}
.tutor .tags i{font-style:normal;background:var(--pri-l);color:var(--pri-d);font-size:12px;font-weight:700;
  padding:4px 11px;border-radius:999px}
.tutor .exp{font-size:13.5px;color:var(--t2)}
.tutor .exp b{color:var(--ink)}
.tutor.hide{display:none}

/* ---------- 页脚 ---------- */
.site-footer{background:#0f1f1a;color:#bcd2c8;padding:52px 0 30px;margin-top:24px}
.site-footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.site-footer a{display:block;color:#bcd2c8;font-size:14px;padding:5px 0;transition:.15s}
.site-footer a:hover{color:#fff}
.site-footer .desc{font-size:14px;line-height:1.8;color:#9fb6ab;margin-top:14px}
.site-footer .wx{display:inline-block;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  padding:9px 15px;border-radius:11px;font-size:13px;color:#eafaf2;margin-top:12px}
.site-footer .bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding-top:22px;
  text-align:center;font-size:12.5px;color:#7e958b}

/* ---------- FAB 咨询 ---------- */
.fab{position:fixed;right:22px;bottom:22px;z-index:70;display:flex;flex-direction:column;gap:12px;align-items:flex-end}
.fab a,.fab button{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;cursor:pointer;
  box-shadow:0 12px 28px rgba(0,0,0,.22);border:none;transition:.18s}
.fab .wx{background:linear-gradient(135deg,#07C160,#0E9F6E);color:#fff}
.fab .top{background:var(--ind);color:#fff;opacity:0;pointer-events:none;transform:translateY(10px)}
.fab .top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.fab a:hover,.fab button:hover{transform:translateY(-3px) scale(1.05)}
.fab svg{width:26px;height:26px}

/* ---------- 滚动动效(默认可见,仅在 .js 下隐藏后再显示,保证无 JS 也能看) ---------- */
.js .reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.js .reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none;transition:none}}

/* ---------- 智能匹配系统(附近大学/自动推荐) ---------- */
.hero-sm .container{padding:54px 22px 60px}
.match-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;background:#fff;border:1px solid var(--line);
  border-radius:18px;padding:16px 18px;box-shadow:var(--shadow-s);max-width:960px;margin:0 auto 8px}
.match-bar .loc-btn{background:var(--pri-l);color:var(--pri-d);border:1.6px solid var(--pri-x);
  padding:11px 18px;border-radius:11px;font-weight:700;cursor:pointer;font-family:inherit;font-size:14.5px;transition:.15s}
.match-bar .loc-btn:hover{background:var(--pri);color:#fff;border-color:var(--pri)}
.match-bar .loc-btn[disabled]{opacity:.5;cursor:wait}
.match-bar .mb-sep{color:var(--t3);font-weight:700;font-size:18px}
.match-bar .mb-field{display:flex;flex-direction:column;gap:4px;min-width:140px}
.match-bar .mb-field span{font-size:12.5px;font-weight:700;color:var(--t2)}
.match-bar .mb-field select{padding:10px 12px;border:1.6px solid var(--line);border-radius:10px;
  background:#fff;font-size:14.5px;font-weight:600;color:var(--ink);font-family:inherit;cursor:pointer}
.match-bar .mb-field select:focus{outline:none;border-color:var(--pri)}
.match-bar .btn{padding:11px 22px;font-size:14.5px}
.loc-note{text-align:center;font-size:13.5px;color:var(--t3);margin:0 0 28px}
.loc-note b{color:var(--pri-d)}

.nearby{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:var(--shadow-s);max-width:1040px;margin:0 auto}
.nearby-head{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;flex-wrap:wrap;margin-bottom:18px;padding-bottom:16px;border-bottom:1px dashed var(--line)}
.nearby-head h3{font-size:18px;font-weight:800}
.nearby-stat{font-size:13.5px;color:var(--t2);background:var(--pri-l);color:var(--pri-d);padding:7px 14px;border-radius:999px;font-weight:700}
.nearby-stat b{color:var(--acc);font-size:15px}
.nearby-list{display:flex;flex-direction:column;gap:10px}
.uni-row{display:grid;grid-template-columns:42px 1fr auto auto;align-items:center;gap:14px;padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:#FAFEFD;transition:.15s}
.uni-row:hover{background:#F0FAF5;border-color:var(--pri-x)}
.uni-rk{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--acc),#FFB74D);color:#fff;font-weight:800;display:grid;place-items:center;font-size:15px}
.uni-nm{font-size:15.5px;font-weight:800;color:var(--ink);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.uni-nm .tier{font-size:12px;font-weight:700;color:var(--ind);background:var(--ind-l);padding:3px 9px;border-radius:6px}
.uni-meta{font-size:12.5px;color:var(--t3);margin-top:4px}
.uni-meta b{color:var(--pri-d)}
.uni-imp{font-size:12.5px;color:var(--t2);text-align:center;white-space:nowrap;background:#fff;padding:6px 10px;border-radius:9px;border:1px solid var(--line)}
.uni-imp b{color:var(--pri);font-size:15px;font-weight:800}
.uni-score{font-size:12.5px;color:var(--t3);text-align:center;white-space:nowrap}
.uni-score b{color:var(--acc);font-size:15px;font-weight:800}
.utag{font-style:normal;font-size:11px;font-weight:700;padding:2px 8px;border-radius:5px;letter-spacing:.5px}
.utag.local{background:#FFF1DD;color:#E2760A}
.utag.prov{background:#E7F6EF;color:#0B7E57}
.utag.nat{background:#EEF0FF;color:#4646c8}

.rec-head{margin:38px auto 16px;max-width:1040px}
.rec-head h3{font-size:20px;font-weight:800;margin-bottom:6px}
.rec-hint{font-size:14px;color:var(--t2);line-height:1.7}
.rec-hint b{color:var(--pri-d)}
.preselect-hint{text-align:center;margin:20px auto 0;font-size:14.5px;color:var(--pri-d);background:var(--pri-l);padding:12px 16px;border-radius:12px;max-width:760px}
.preselect-hint a{color:var(--acc);font-weight:800;text-decoration:underline}

.tutor{position:relative}
.tutor .match{position:absolute;top:14px;right:14px;background:linear-gradient(135deg,var(--ind),#7B7BFF);color:#fff;font-size:12px;font-weight:800;padding:5px 11px;border-radius:999px;box-shadow:0 4px 10px rgba(91,91,240,.3)}
.tutor .match.hot{background:linear-gradient(135deg,#FF5A3C,var(--acc))}
.tutor .match.good{background:linear-gradient(135deg,var(--pri),#3DBB8C)}
.tutor .match.ok{background:linear-gradient(135deg,#9AA8A1,#7E958B)}
.tutor .tags i.g{background:var(--acc-l);color:var(--acc-d)}
.tutor .exp{font-size:12.5px;color:var(--t3)}
.tutor .exp b{color:var(--pri-d)}
.empty{grid-column:1/-1;text-align:center;padding:48px 20px;color:var(--t2);background:#fff;border:1px dashed var(--line);border-radius:14px}

/* ---------- 响应式 ---------- */
@media(max-width:920px){
  .hero .container{grid-template-columns:1fr;padding:54px 22px 60px}
  .hero-visual{display:none}
  .grid.c3,.grid.c4{grid-template-columns:repeat(2,1fr)}
  .statbar{grid-template-columns:repeat(2,1fr)}
  .report-grid{grid-template-columns:1fr}
  .calc{grid-template-columns:1fr;gap:24px}
  .book-grid{grid-template-columns:1fr}
  .tutors{grid-template-columns:repeat(2,1fr)}
  .nav-links{display:none;position:absolute;top:66px;left:0;right:0;background:#fff;flex-direction:column;
    padding:14px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
  .nav-links a{padding:13px}
  .nav-toggle{display:block}
  .site-footer .cols{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .grid.c2,.grid.c3,.grid.c4{grid-template-columns:1fr}
  .statbar{grid-template-columns:1fr 1fr}
  .reviews{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .price-grid{grid-template-columns:1fr}
  .tutors{grid-template-columns:1fr}
  .row2{grid-template-columns:1fr}
  .slots{grid-template-columns:repeat(2,1fr)}
  .sec-head h2{font-size:23px}
  .site-footer .cols{grid-template-columns:1fr}
  .section{padding:54px 0}
  .uni-row{grid-template-columns:36px 1fr;text-align:left}
  .uni-rk{grid-row:span 2}
  .uni-imp,.uni-score{grid-column:2;text-align:left;justify-self:start}
  .match-bar .mb-field{min-width:100%}
  .nearby-head{flex-direction:column;align-items:flex-start}
}