/* ============================================================
   新知朋辈陪伴官网 - 全局样式
   GEO 优化要点：语义化标签、清晰层级、可读性、移动优先
   ============================================================ */
:root{
  --brand:#C8381F;        /* 主色-中国红 */
  --brand-dark:#9E2B16;
  --brand-light:#FBE9E4;
  --navy:#1F3A5F;         /* 深蓝-名校理性 */
  --navy-light:#E8EEF6;
  --gold:#E8A33D;         /* 金黄-荣誉价值 */
  --gold-light:#FDF3E2;
  --bg:#FBF9F6;           /* 米白背景 */
  --card:#FFFFFF;
  --text:#2B2B2B;
  --text-light:#6B7280;
  --line:#EAE4DC;
  --success:#2E7D4F;
  --radius:14px;
  --shadow:0 6px 24px rgba(31,58,95,.08);
  --shadow-hover:0 12px 36px rgba(200,56,31,.14);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--text);background:var(--bg);line-height:1.7;font-size:16px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
h1,h2,h3,h4{line-height:1.35;font-weight:700}
.container{max-width:1120px;margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--navy)}
.logo .logo-badge{
  width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--gold));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;font-weight:900;
  box-shadow:0 4px 12px rgba(200,56,31,.3);
}
.logo small{display:block;font-size:11px;font-weight:500;color:var(--text-light);line-height:1.2}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  padding:8px 13px;border-radius:8px;font-size:14.5px;font-weight:500;color:#444;transition:.2s;
}
.nav-links a:hover,.nav-links a.active{color:var(--brand);background:var(--brand-light)}
.nav-cta{
  margin-left:8px;background:var(--brand);color:#fff!important;padding:9px 18px!important;border-radius:999px;
  font-weight:600;box-shadow:0 4px 14px rgba(200,56,31,.3);
}
.nav-cta:hover{background:var(--brand-dark);color:#fff!important}
.nav-toggle{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--navy)}
@media(max-width:960px){
  .nav-links{
    display:none;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;
    padding:16px 20px;gap:6px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);
  }
  .nav-links.open{display:flex}
  .nav-toggle{display:block}
}

/* ---------- Hero ---------- */
.hero{
  background:
    radial-gradient(900px 400px at 85% -10%, rgba(232,163,61,.16), transparent 60%),
    radial-gradient(700px 380px at -10% 20%, rgba(200,56,31,.10), transparent 55%),
    linear-gradient(180deg,#FFFDF9,var(--bg));
  padding:72px 0 60px;border-bottom:1px solid var(--line);
}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-kicker{
  display:inline-flex;align-items:center;gap:6px;background:var(--gold-light);color:#8a5a10;
  border:1px solid #f3ddb0;padding:5px 14px;border-radius:999px;font-size:13px;font-weight:600;margin-bottom:18px;
}
.hero h1{font-size:42px;color:var(--navy);margin-bottom:18px;letter-spacing:-.5px}
.hero h1 em{font-style:normal;color:var(--brand);border-bottom:3px solid var(--gold);}
.hero p.lead{font-size:17.5px;color:var(--text-light);max-width:560px;margin-bottom:28px}
.hero-points{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:30px}
.hero-points li{
  display:flex;gap:10px;align-items:flex-start;background:var(--card);border:1px solid var(--line);
  padding:12px 14px;border-radius:12px;font-size:14px;font-weight:500;box-shadow:0 2px 8px rgba(0,0,0,.03);
}
.hero-points li i{color:var(--brand);font-style:normal;font-weight:900}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:999px;
  font-size:15.5px;font-weight:700;transition:.25s;cursor:pointer;border:none;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(200,56,31,.35)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--navy);border:1.5px solid var(--navy);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.hero-trust{margin-top:22px;font-size:13px;color:var(--text-light);display:flex;gap:18px;flex-wrap:wrap}
.hero-trust b{color:var(--navy)}
/* hero 右侧卡片 */
.hero-card{
  background:var(--card);border-radius:20px;box-shadow:var(--shadow);border:1px solid var(--line);
  padding:26px;position:relative;overflow:hidden;
}
.hero-card::before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:linear-gradient(90deg,var(--brand),var(--gold))}
.hero-card .formula{text-align:center;padding:8px 0 18px}
.hero-card .formula h3{font-size:22px;color:var(--navy)}
.hero-card .formula p{color:var(--text-light);font-size:13.5px;margin-top:4px}
.formula-row{display:flex;gap:10px;justify-content:center;align-items:stretch;margin:16px 0}
.formula-cell{
  flex:1;background:var(--brand-light);border-radius:12px;padding:12px 8px;text-align:center;
}
.formula-cell b{display:block;font-size:26px;color:var(--brand)}
.formula-cell span{font-size:12.5px;color:#8c4a3c;font-weight:500;line-height:1.4;display:block;margin-top:2px}
.formula-cell.gold{background:var(--gold-light)}
.formula-cell.gold b{color:#b97a12}
.formula-cell.gold span{color:#8a5a10}
.formula-cell.navy{background:var(--navy-light)}
.formula-cell.navy b{color:var(--navy)}
.formula-cell.navy span{color:#3d557a}
.formula-arrow{align-self:center;color:var(--gold);font-weight:900;font-size:18px}
.result-list{background:#fffdf8;border:1px dashed var(--gold);border-radius:12px;padding:14px 16px;margin-top:8px}
.result-list li{display:flex;gap:8px;font-size:14px;margin-bottom:6px}
.result-list li:last-child{margin-bottom:0}
.result-list i{color:var(--gold);font-style:normal}
.hero-card .cta-note{
  margin-top:16px;background:var(--navy);color:#fff;border-radius:12px;padding:13px 16px;text-align:center;
  font-size:14px;font-weight:600;
}
.hero-card .cta-note a{color:var(--gold);text-decoration:underline;font-weight:700}

/* ---------- 通用区块 ---------- */
.section{padding:64px 0}
.section-alt{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin:0 auto 42px;text-align:center}
.section-head .kicker{
  display:inline-block;background:var(--brand-light);color:var(--brand);font-size:13px;font-weight:700;
  padding:4px 14px;border-radius:999px;margin-bottom:12px;letter-spacing:.5px;
}
.section-head h2{font-size:32px;color:var(--navy);margin-bottom:12px}
.section-head p{color:var(--text-light);font-size:16px}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:1fr 1fr}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

/* 卡片 */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  transition:.25s;box-shadow:0 2px 10px rgba(0,0,0,.03);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#f0c9c0}
.card .card-icon{
  width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:24px;margin-bottom:14px;
}
.card h3{font-size:18px;color:var(--navy);margin-bottom:8px}
.card p{font-size:14.5px;color:var(--text-light)}
.card .tag{
  display:inline-block;font-size:12px;font-weight:700;padding:2px 10px;border-radius:999px;margin-bottom:10px;
}
.tag-red{background:var(--brand-light);color:var(--brand)}
.tag-navy{background:var(--navy-light);color:var(--navy)}
.tag-gold{background:var(--gold-light);color:#8a5a10}
.tag-green{background:#E5F3EC;color:var(--success)}

/* 数字条 */
.stat-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;background:var(--navy);border-radius:18px;
  padding:34px 30px;color:#fff;
}
.stat-bar .stat{text-align:center}
.stat-bar b{display:block;font-size:34px;color:var(--gold);line-height:1.2}
.stat-bar span{font-size:13.5px;opacity:.85}
@media(max-width:720px){.stat-bar{grid-template-columns:1fr 1fr}}

/* FAQ 手风琴 */
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;
}
.faq-item summary{
  cursor:pointer;padding:18px 22px;font-size:15.5px;font-weight:600;color:var(--navy);
  display:flex;justify-content:space-between;align-items:center;gap:12px;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;color:var(--brand);font-weight:400;transition:.2s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-answer{padding:0 22px 20px;color:var(--text-light);font-size:14.5px}

/* CTA 大横幅 */
.cta-banner{
  background:linear-gradient(120deg,var(--brand) 0%,#e0563f 55%,var(--gold) 130%);
  border-radius:20px;padding:48px 40px;color:#fff;text-align:center;position:relative;overflow:hidden;
}
.cta-banner::after{content:"✦";position:absolute;right:30px;top:10px;font-size:90px;opacity:.12}
.cta-banner h2{font-size:30px;margin-bottom:10px}
.cta-banner p{font-size:16px;opacity:.92;margin-bottom:26px}
.cta-banner .btn-white{background:#fff;color:var(--brand);box-shadow:0 6px 18px rgba(0,0,0,.2)}
.cta-banner .btn-white:hover{transform:translateY(-2px)}

/* 页脚 */
.site-footer{background:var(--navy);color:#c9d4e4;padding:52px 0 30px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:36px}
.footer-grid h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-grid a{display:block;font-size:13.5px;padding:4px 0;opacity:.85}
.footer-grid a:hover{opacity:1;color:var(--gold)}
.footer-brand .logo{color:#fff;margin-bottom:12px}
.footer-brand p{font-size:13.5px;line-height:1.8;max-width:320px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:20px;font-size:12.5px;opacity:.65;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
}
@media(max-width:860px){.footer-grid{grid-template-columns:1fr 1fr}}

/* 面包屑 */
.breadcrumb{font-size:13px;color:var(--text-light);padding:16px 0 0}
.breadcrumb a{color:var(--brand)}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb span{margin:0 6px;color:#ccc}

/* 页面 Hero（内页） */
.page-hero{background:linear-gradient(180deg,#FFFDF9,var(--bg));padding:48px 0 30px;border-bottom:1px solid var(--line)}
.page-hero h1{font-size:36px;color:var(--navy);margin:10px 0 12px}
.page-hero .sub{font-size:16.5px;color:var(--text-light);max-width:720px}

/* 表格 */
.table-wrap{overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:12px}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:640px}
th,td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--navy);color:#fff;font-weight:600;font-size:13.5px}
tr:last-child td{border-bottom:none}
tbody tr:hover{background:#FFF9F5}

/* 学力自测 */
.quiz-wrap{max-width:860px;margin:0 auto}
.quiz-block{
  background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px 26px;margin-bottom:18px;
}
.quiz-block h3{font-size:17px;color:var(--navy);margin-bottom:4px;display:flex;gap:8px;align-items:center}
.quiz-block h3 .num{
  width:30px;height:30px;background:var(--brand);color:#fff;border-radius:8px;display:flex;align-items:center;
  justify-content:center;font-size:15px;flex-shrink:0;
}
.quiz-block .dim-desc{font-size:13px;color:var(--text-light);margin-bottom:14px}
.quiz-item{margin-bottom:12px;font-size:14.5px}
.quiz-item .q-label{margin-bottom:6px;font-weight:500}
.rating{display:flex;gap:8px}
.rating button{
  flex:1;padding:8px 4px;border:1.5px solid var(--line);background:#fff;border-radius:8px;font-size:13px;
  cursor:pointer;transition:.15s;color:var(--text-light);
}
.rating button:hover{border-color:var(--brand);color:var(--brand)}
.rating button.sel{background:var(--brand);color:#fff;border-color:var(--brand);font-weight:700}
.quiz-result{
  display:none;background:linear-gradient(135deg,var(--navy),#2c4d7c);color:#fff;border-radius:16px;
  padding:30px;text-align:center;margin-top:8px;
}
.quiz-result.show{display:block}
.quiz-result .score{font-size:58px;font-weight:900;color:var(--gold);line-height:1.1}
.quiz-result .level{font-size:20px;font-weight:700;margin:8px 0 12px}
.quiz-result p{font-size:14.5px;opacity:.9;max-width:560px;margin:0 auto 18px}
.quiz-result .bench{font-size:13px;background:rgba(255,255,255,.12);border-radius:10px;padding:10px 16px;display:inline-block}

/* 案例 */
.case-card{display:flex;flex-direction:column;height:100%}
.case-card .case-hash{color:var(--brand);font-size:13px;font-weight:700;margin-bottom:8px}
.case-card p{font-size:14px;color:#3d3d3d}
.case-quote{
  background:var(--gold-light);border-left:4px solid var(--gold);border-radius:0 12px 12px 0;
  padding:16px 20px;margin:14px 0;font-size:15px;color:#5c4410;font-style:italic;
}
.data-highlight{color:var(--brand);font-weight:800}

/* 画像对比 */
.persona-match{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:760px){.persona-match{grid-template-columns:1fr}}
.persona-box{border-radius:16px;padding:28px 26px;border:1px solid var(--line)}
.persona-box.fit{background:linear-gradient(180deg,#FFFDF8,var(--gold-light))}
.persona-box.nofit{background:linear-gradient(180deg,#FDF9F7,#F6E9E4)}
.persona-box h3{font-size:20px;margin-bottom:6px}
.persona-box.fit h3{color:#8a5a10}
.persona-box.nofit h3{color:#8c4a3c}
.persona-box .desc{font-size:14px;color:var(--text-light);margin-bottom:16px}
.persona-box ul li{
  display:flex;gap:8px;font-size:14px;margin-bottom:10px;align-items:flex-start;
}
.persona-box.fit ul li i{color:var(--gold);font-style:normal}
.persona-box.nofit ul li i{color:var(--brand);font-style:normal}

/* 步骤流程 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media(max-width:860px){.steps{grid-template-columns:1fr 1fr}}
.step{
  background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px 18px;text-align:center;
  position:relative;
}
.step .step-num{
  width:40px;height:40px;margin:0 auto 12px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--gold));
  color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:18px;
}
.step h4{color:var(--navy);font-size:15.5px;margin-bottom:6px}
.step p{font-size:13px;color:var(--text-light)}

/* 导师 */
.mentor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:900px){.mentor-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.mentor-grid{grid-template-columns:1fr}}
.mentor-card{
  background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;text-align:center;
  transition:.25s;display:flex;flex-direction:column;
}
.mentor-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.mentor-photo{
  width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:10px;margin-bottom:12px;
  background:linear-gradient(135deg,#f4f1e9,#e8eef5);
  box-shadow:0 2px 8px rgba(0,0,0,.06);
}
.mentor-card .school{color:var(--brand);font-size:13px;font-weight:700;margin-bottom:2px;letter-spacing:.5px}
.mentor-card h3{font-size:17px;color:var(--navy);margin-bottom:4px;font-weight:800}
.mentor-card .title{font-size:11.5px;color:var(--text-light);margin-bottom:10px;letter-spacing:.3px}
.mentor-card .achievement{
  font-size:12.5px;color:var(--text-light);text-align:left;padding:0;list-style:none;line-height:1.7;
  border-top:1px dashed var(--line);padding-top:10px;margin-top:auto;
}
.mentor-card .achievement li{padding-left:12px;position:relative}
.mentor-card .achievement li::before{content:"·";color:var(--brand);position:absolute;left:0;font-weight:800}

/* 名单学校 */
.school-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.school-chip{
  background:var(--card);border:1px solid var(--line);border-radius:999px;padding:8px 18px;font-size:14px;
  font-weight:600;color:var(--navy);box-shadow:0 2px 6px rgba(0,0,0,.04);
}

/* 12 模块 */
.mod-12{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media(max-width:900px){.mod-12{grid-template-columns:1fr 1fr}}
@media(max-width:540px){.mod-12{grid-template-columns:1fr}}
.mod-card{border-radius:14px;padding:18px;border:1px solid var(--line);background:var(--card)}
.mod-card .mod-ic{font-size:26px;margin-bottom:8px}
.mod-card h4{font-size:15px;color:var(--navy);margin-bottom:6px}
.mod-card p{font-size:13px;color:var(--text-light)}
.mod-card.m1{background:#FFF1EE}.mod-card.m2{background:#F0F5FC}
.mod-card.m3{background:#FDF6E7}.mod-card.m4{background:#EAF5F0}

/* 周节奏 */
.week-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media(max-width:860px){.week-row{grid-template-columns:1fr 1fr}}
.week-cell{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;text-align:center}
.week-cell b{display:block;color:var(--brand);font-size:16px;margin-bottom:6px}
.week-cell span{font-size:13px;color:var(--text-light)}

/* 阶段 */
.phase-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:760px){.phase-row{grid-template-columns:1fr}}
.phase{
  border-radius:14px;padding:24px;text-align:center;border:1px solid var(--line);background:var(--card);
}
.phase .phase-level{font-size:30px;margin-bottom:8px}
.phase h4{color:var(--navy);font-size:17px;margin-bottom:6px}
.phase p{font-size:13.5px;color:var(--text-light)}
.phase.p1{background:linear-gradient(180deg,#FFF7EF,#FFFDF8)}
.phase.p2{background:linear-gradient(180deg,#FDF3E2,#FFFDF8)}
.phase.p3{background:linear-gradient(180deg,#FBEDE9,#FFFDF8)}

/* 锚点补充 */
.note{font-size:12.5px;color:var(--text-light);margin-top:8px}
.two-col-text{column-count:2;column-gap:32px}
@media(max-width:720px){.two-col-text{column-count:1}}
.highlight-box{
  background:var(--navy-light);border-left:4px solid var(--navy);border-radius:0 12px 12px 0;
  padding:16px 20px;margin:18px 0;font-size:14.5px;color:#2c4059;
}
.quote-big{
  font-size:22px;font-weight:700;color:var(--navy);text-align:center;line-height:1.6;max-width:800px;
  margin:10px auto;letter-spacing:.5px;
}
.quote-big em{color:var(--brand);font-style:normal}

/* ---------- 返回星纪主站入口 ---------- */
.nav-back{
  padding:9px 14px;border-radius:999px;font-size:13.5px;font-weight:600;
  color:var(--navy);border:1.5px solid var(--brand);
  background:#fff;transition:.2s;margin-left:6px;
}
.nav-back:hover{background:var(--brand);color:#fff}

/* ---------- 朋辈 logo 文字 ---------- */
.logo{align-items:center;gap:12px}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text strong{color:var(--brand);font-size:18px;font-weight:800;letter-spacing:.5px}
.logo-text small{color:var(--text-light);font-size:11.5px;font-weight:500}

/* ---------- 主站合规微型 footer（追加在 .site-footer 之后）---------- */
.compliance-foot{
  background:#2B2B2B;color:#ddd;border-top:1px solid #444;
  font-size:12.5px;padding:18px 0;text-align:center;
}
.compliance-foot .container{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:6px 18px}
.compliance-foot a{color:#ccc;text-decoration:none;display:inline-flex;align-items:center;gap:5px}
.compliance-foot a:hover{color:#fff;text-decoration:underline}
.compliance-foot img{height:14px;vertical-align:middle;opacity:.85}
.compliance-foot .wechat-tiny{display:inline-flex;align-items:center;gap:6px;color:#4ade80;font-weight:600}
.compliance-foot .wechat-tiny img{height:18px;border-radius:3px;opacity:1}

@media(max-width:960px){
  .nav-back{display:none}
  .compliance-foot .container{flex-direction:column;gap:8px}
  .logo-text small{display:none}
}