/* ============================================================
   小红书获客页 xhs.css（页面私有样式，仅服务 xhs.html）
   规范：严格 PC 端，内容宽度 1380px，主色 #ff2442
   ============================================================ */

/* ---------------- 章节标题（本页细化） ---------------- */
.sec-head .sec-tag{border-radius:20px;padding:5px 16px;font-weight:700;letter-spacing:1.5px;}
.sec-head .sec-tag::before{content:"";display:inline-block;width:14px;height:14px;margin-right:7px;
  background:url(../images/sparkling-line.png) no-repeat center/contain;vertical-align:-2px;
  filter:invert(30%) sepia(94%) saturate(7485%) hue-rotate(345deg) brightness(98%) contrast(107%);}
.sec-title .dot{font-weight:800;}

/* ---------------- 页面头部 ---------------- */
.page-hero{position:relative;padding:74px 0 66px;background:var(--ink);overflow:hidden;display:flex;flex-direction:column;justify-content:center;min-height:690px;}
.page-hero::before{content:"";position:absolute;left:0;top:0;right:0;bottom:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:linear-gradient(135deg,#000 0%,rgba(0,0,0,.3) 55%,transparent 85%);
  mask-image:linear-gradient(135deg,#000 0%,rgba(0,0,0,.3) 55%,transparent 85%);}
.page-hero::after{content:"";position:absolute;right:-140px;top:-110px;width:540px;height:540px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,36,66,.22),transparent 66%);}
.page-hero .wrap{position:relative;z-index:1;}
.ph-tag{display:inline-block;padding:5px 14px;border:1px solid rgba(255,255,255,.3);border-radius:20px;
  font-size:12.5px;letter-spacing:2px;color:rgba(255,255,255,.82);}
.ph-tag::before{content:"";display:inline-block;width:6px;height:6px;margin-right:8px;border-radius:50%;
  background:var(--brand);vertical-align:1px;}
.page-hero h1{margin:20px 0 0;font-size:42px;font-weight:800;color:#fff;line-height:1.32;letter-spacing:1px;max-width:960px;}
.page-hero h1 .hl{color:var(--brand);}
.ph-desc{margin-top:20px;max-width:860px;font-size:16.5px;color:rgba(255,255,255,.78);line-height:1.95;}
.ph-desc b{color:#fff;font-weight:600;}
.ph-actions{margin-top:32px;display:flex;gap:16px;}
.ph-actions .btn{box-shadow:0 10px 26px rgba(255,36,66,.28);}
.ph-actions .btn:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,36,66,.36);}
.ph-actions .btn-ghost{background:transparent;border-color:rgba(255,255,255,.45);color:#fff;box-shadow:none;}
.ph-actions .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;box-shadow:none;}
.ph-stats{margin-top:44px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14);
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.ph-stats li{position:relative;padding-left:24px;}
.ph-stats li:first-child{padding-left:0;}
.ph-stats li::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:1px;background:rgba(255,255,255,.16);}
.ph-stats li:first-child::before{display:none;}
.ph-stats li b{display:block;font-size:26px;font-weight:800;color:#fff;letter-spacing:.5px;}
.ph-stats li span{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.6);}

/* ---------------- 八类企业 ---------------- */
.who-8{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;counter-reset:w8;}
.who-cell{counter-increment:w8;position:relative;padding:18px 20px;background:#fff;
  border:1px solid var(--line);border-radius:10px;transition:all .22s;}
.who-cell:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:0 10px 26px rgba(255,36,66,.1);}
.who-cell .w-no{display:inline-flex;align-items:center;justify-content:center;min-width:26px;height:24px;
  padding:0 8px;border-radius:6px;background:var(--brand-soft);color:var(--brand);
  font-size:11.5px;font-weight:800;letter-spacing:1px;}
.who-cell h5{margin:10px 0 5px;font-size:15px;}
.who-cell p{font-size:12.5px;color:var(--ink-2);line-height:1.75;}
.var-3{margin-top:24px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.var-cell{padding:24px 26px;background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand);
  border-radius:0 12px 12px 0;transition:all .22s;}
.var-cell:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(15,23,42,.08);}
.var-cell .v-tag{font-size:12px;font-weight:800;color:var(--brand);letter-spacing:2px;}
.var-cell .q{margin:8px 0 10px;font-size:15.5px;font-weight:600;color:var(--ink);line-height:1.6;}
.var-cell li{padding:8px 0;border-top:1px dashed var(--line);font-size:13.2px;color:var(--ink-2);line-height:1.7;}
.var-cell li b{color:var(--brand);font-weight:600;}

/* ---------------- 稳定获客公式 ---------------- */
.formula{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.factor{position:relative;padding:26px 22px;background:#fff;border:1px solid var(--line);
  border-top:3px solid transparent;transition:all .22s;}
.factor:first-child{border-radius:12px 0 0 12px;}
.factor:last-child{border-radius:0 12px 12px 0;}
.factor + .factor{border-left:0;}
.factor:hover{z-index:2;box-shadow:inset 0 0 0 1px var(--brand),0 12px 28px rgba(15,23,42,.08);}
.factor .f-no{font-size:12px;font-weight:800;color:var(--brand);letter-spacing:2px;}
.factor h4{margin:10px 0 8px;font-size:17.5px;}
.factor p{font-size:13px;color:var(--ink-2);line-height:1.75;}
.factor .f-zero{margin-top:12px;padding:6px 10px;background:var(--brand-soft);border-radius:6px;
  font-size:12px;font-weight:700;color:var(--brand);}
.factor::after{content:"\00D7";position:absolute;right:-11px;top:50%;margin-top:-11px;z-index:3;
  width:22px;height:22px;border-radius:50%;background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:13px;font-weight:800;}
.factor:last-child::after{display:none;}
.formula-note{margin-top:20px;padding:20px 26px;background:var(--brand-soft);border-left:4px solid var(--brand);
  border-radius:0 10px 10px 0;font-size:14px;color:var(--ink-2);line-height:1.85;}
.formula-note b{color:var(--brand);}

/* ---------------- 系统四环 ---------------- */
.ring-4{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.ring-cell{position:relative;padding:26px 22px;background:#fff;border:1px solid var(--line);
  border-top:3px solid transparent;transition:all .22s;}
.ring-cell:first-child{border-radius:12px 0 0 12px;}
.ring-cell:last-child{border-radius:0 12px 12px 0;}
.ring-cell + .ring-cell{border-left:0;}
.ring-cell:hover{z-index:2;box-shadow:inset 0 0 0 1px var(--brand),0 12px 28px rgba(15,23,42,.08);}
.ring-cell .r-no{display:inline-flex;align-items:center;justify-content:center;min-width:26px;height:24px;
  padding:0 8px;border-radius:6px;background:var(--ink-3);color:#fff;font-size:11.5px;font-weight:800;transition:background .22s;}
.ring-cell:hover .r-no{background:var(--brand);}
.ring-cell h4{margin:12px 0 8px;font-size:17.5px;}
.ring-cell p{font-size:13px;color:var(--ink-2);line-height:1.75;}
.ring-cell.hi{border-top-color:var(--brand);background:linear-gradient(180deg,#fff 0%,#fff8f9 100%);
  box-shadow:0 10px 30px rgba(255,36,66,.1);}
.ring-cell.hi .r-no{background:var(--brand);}
.ring-cell.hi .r-flag{margin-top:12px;padding:6px 10px;background:var(--brand);border-radius:6px;
  display:inline-block;font-size:12px;font-weight:700;color:#fff;}
.ring-cell::after{content:"\2192";position:absolute;right:-11px;top:50%;margin-top:-11px;z-index:3;
  width:22px;height:22px;border-radius:50%;background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--ink-3);font-size:12px;font-weight:800;}
.ring-cell:last-child::after{display:none;}

/* ---------------- 12 项诊断表 ---------------- */
.diag-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;counter-reset:dg;}
.diag-cell{counter-increment:dg;display:flex;align-items:flex-start;gap:11px;padding:14px 16px;background:#fff;
  border:1px solid var(--line);border-radius:8px;transition:all .22s;}
.diag-cell:hover{border-color:var(--brand);background:#fffafa;}
.diag-cell::before{content:counter(dg,decimal-leading-zero);flex-shrink:0;display:flex;align-items:center;
  justify-content:center;width:24px;height:24px;border-radius:50%;background:var(--brand-soft);
  color:var(--brand);font-size:11.5px;font-weight:800;}
.diag-cell .d-name{font-size:14px;font-weight:600;color:var(--ink);}
.diag-cell .d-hint{display:block;margin-top:3px;font-size:12px;color:var(--ink-3);line-height:1.6;}
.diag-foot{margin-top:22px;padding:28px 32px;background:var(--ink);border-radius:12px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;}
.diag-foot .d-l{font-size:17px;font-weight:700;color:#fff;line-height:1.7;}
.diag-foot .d-l span{display:block;margin-top:8px;font-size:13.5px;font-weight:400;color:rgba(255,255,255,.72);line-height:1.8;}
.diag-foot .btn{flex-shrink:0;background:#fff;border-color:#fff;color:var(--brand);}
.diag-foot .btn:hover{background:rgba(255,255,255,.14);color:#fff;}

/* ---------------- 客户切口 / 入口产品 ---------------- */
.cut-4{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.cut-cell{position:relative;padding:24px 22px;background:#fff;border:1px solid var(--line);transition:all .22s;}
.cut-cell:first-child{border-radius:12px 0 0 12px;}
.cut-cell:last-child{border-radius:0 12px 12px 0;}
.cut-cell + .cut-cell{border-left:0;}
.cut-cell:hover{z-index:2;box-shadow:inset 0 0 0 1px var(--brand),0 12px 28px rgba(15,23,42,.08);}
.cut-cell h4{margin-bottom:8px;font-size:17px;}
.cut-cell .c-bad{font-size:13px;color:var(--ink-3);line-height:1.75;}
.cut-cell .c-good{margin-top:8px;font-size:13px;color:var(--ink);font-weight:600;line-height:1.75;}
.cut-cell .c-good::before{content:"\2713 ";color:var(--brand);}
.cut-cell .c-bad::before{content:"\2715 ";color:var(--ink-3);}
.cut-tip{margin-top:20px;padding:20px 26px;background:#fafbfc;border-left:4px solid var(--ink-3);border-radius:0 10px 10px 0;
  font-size:13.8px;color:var(--ink-2);line-height:1.85;}
.prod-5{margin-top:22px;display:grid;grid-template-columns:repeat(5,1fr);gap:0;}
.prod-cell{position:relative;padding:22px 18px;background:#fff;border:1px solid var(--line);transition:all .22s;}
.prod-cell:first-child{border-radius:12px 0 0 12px;}
.prod-cell:last-child{border-radius:0 12px 12px 0;}
.prod-cell + .prod-cell{border-left:0;}
.prod-cell:hover{z-index:2;box-shadow:inset 0 0 0 1px var(--brand),0 12px 28px rgba(15,23,42,.08);}
.prod-cell .p-no{display:inline-flex;align-items:center;justify-content:center;min-width:24px;height:24px;
  padding:0 8px;border-radius:6px;background:var(--brand-soft);color:var(--brand);font-size:11.5px;font-weight:800;}
.prod-cell h5{margin:10px 0 6px;font-size:15.5px;}
.prod-cell p{font-size:12.5px;color:var(--ink-2);line-height:1.7;}
.prod-cell .p-warn{margin-top:8px;font-size:12px;color:var(--ink-3);line-height:1.65;}

/* ---------------- 关键词 / 笔记四位置 ---------------- */
.kw-5{display:grid;grid-template-columns:repeat(5,1fr);gap:0;}
.kw-cell{position:relative;padding:24px 20px;background:#fff;border:1px solid var(--line);transition:all .22s;}
.kw-cell:first-child{border-radius:12px 0 0 12px;}
.kw-cell:last-child{border-radius:0 12px 12px 0;}
.kw-cell + .kw-cell{border-left:0;}
.kw-cell:hover{z-index:2;box-shadow:inset 0 0 0 1px var(--brand),0 12px 28px rgba(15,23,42,.08);}
.kw-cell h4{margin-bottom:8px;font-size:16.5px;}
.kw-cell p{font-size:12.8px;color:var(--ink-2);line-height:1.75;}
.kw-cell .k-eg{display:block;margin-top:8px;font-size:12px;color:var(--ink-3);}
.kw-cell.hi{background:linear-gradient(180deg,#fff 0%,#fff8f9 100%);border-top:3px solid var(--brand);}
.kw-cell.hi h4{color:var(--brand);}
.note-4{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.note-cell{position:relative;padding:24px 22px;background:#fff;border:1px solid var(--line);transition:all .22s;}
.note-cell:first-child{border-radius:12px 0 0 12px;}
.note-cell:last-child{border-radius:0 12px 12px 0;}
.note-cell + .note-cell{border-left:0;}
.note-cell:hover{z-index:2;box-shadow:inset 0 0 0 1px var(--brand),0 12px 28px rgba(15,23,42,.08);}
.note-cell .n-t{font-size:12px;font-weight:800;color:var(--brand);letter-spacing:1.5px;}
.note-cell h4{margin:10px 0 8px;font-size:16.5px;}
.note-cell p{font-size:12.8px;color:var(--ink-2);line-height:1.75;}
.note-cell::after{content:"\2192";position:absolute;right:-11px;top:50%;margin-top:-11px;z-index:3;
  width:22px;height:22px;border-radius:50%;background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--ink-3);font-size:12px;font-weight:800;}
.note-cell:last-child::after{display:none;}

/* ---------------- 内容四型 / 母内容 ---------------- */
.type-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.type-card{position:relative;padding:24px 22px;background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:0 8px 24px rgba(15,23,42,.05);transition:all .22s;}
.type-card:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:0 14px 34px rgba(255,36,66,.12);}
.type-card .t-per{position:absolute;right:18px;top:18px;font-size:22px;font-weight:800;color:var(--brand-soft);}
.type-card h4{margin-bottom:6px;font-size:17px;}
.type-card .t-goal{margin-bottom:10px;font-size:13px;color:var(--ink-3);}
.type-card p{font-size:13px;color:var(--ink-2);line-height:1.75;}
.type-card .t-metric{margin-top:12px;padding-top:10px;border-top:1px dashed var(--line);
  font-size:12.3px;color:var(--ink-3);}
.type-card .t-metric b{color:var(--brand);}
.mom-box{margin-top:22px;padding:30px 32px;background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:0 8px 26px rgba(15,23,42,.05);}
.mom-box h4{margin-bottom:6px;display:flex;align-items:center;gap:9px;font-size:17px;}
.mom-box h4::before{content:"";flex-shrink:0;width:9px;height:9px;border-radius:2px;background:var(--brand);transform:rotate(45deg);}
.mom-box .m-sub{margin-bottom:18px;font-size:13.5px;color:var(--ink-3);}
.mom-5{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;}
.mom-cell{padding:16px 16px;background:#fafbfc;border:1px solid var(--line);border-left:3px solid var(--brand-soft);
  border-radius:8px;transition:all .22s;}
.mom-cell:hover{background:#fff;border-color:var(--brand);border-left-color:var(--brand);transform:translateY(-2px);}
.mom-cell .m-t{font-size:12px;font-weight:800;color:var(--brand);letter-spacing:1px;}
.mom-cell p{margin-top:7px;font-size:12.5px;color:var(--ink-2);line-height:1.7;}
.mom-foot{margin-top:18px;padding:16px 20px;background:var(--brand-soft);border-left:4px solid var(--brand);
  border-radius:0 10px 10px 0;font-size:13.8px;color:var(--ink-2);line-height:1.85;}
.mom-foot b{color:var(--brand);}

/* ---------------- 三层账号 / 冷启动 / 扩张 ---------------- */
.acct-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.acct-card{padding:26px 24px;background:#fff;border:1px solid var(--line);border-top:3px solid var(--brand);
  border-radius:12px;box-shadow:0 8px 24px rgba(15,23,42,.05);transition:all .22s;}
.acct-card:hover{transform:translateY(-3px);box-shadow:0 16px 38px rgba(255,36,66,.13);}
.acct-card .a-tag{display:inline-block;padding:3px 11px;border-radius:20px;background:var(--brand-soft);
  color:var(--brand);font-size:12px;font-weight:700;}
.acct-card h4{margin:12px 0 8px;font-size:18px;}
.acct-card p{font-size:13.2px;color:var(--ink-2);line-height:1.8;}
.acct-card .a-metric{margin-top:12px;padding-top:10px;border-top:1px dashed var(--line);
  font-size:12.5px;color:var(--ink-3);}
.acct-card .a-metric b{color:var(--brand);}
.cold-3{margin-top:22px;display:grid;grid-template-columns:repeat(3,1fr);gap:0;}
.cold-cell{position:relative;padding:24px 22px;background:#fff;border:1px solid var(--line);transition:all .22s;}
.cold-cell:first-child{border-radius:12px 0 0 12px;}
.cold-cell:last-child{border-radius:0 12px 12px 0;}
.cold-cell + .cold-cell{border-left:0;}
.cold-cell:hover{z-index:2;box-shadow:inset 0 0 0 1px var(--brand),0 12px 28px rgba(15,23,42,.08);}
.cold-cell .c-t{font-size:12px;font-weight:800;color:var(--brand);letter-spacing:1.5px;}
.cold-cell h5{margin:10px 0 8px;font-size:16px;}
.cold-cell p{font-size:12.8px;color:var(--ink-2);line-height:1.75;}
.scale-3{margin-top:22px;display:grid;grid-template-columns:repeat(3,1fr);gap:0;}
.scale-cell{position:relative;padding:22px 22px;background:#fff;border:1px solid var(--line);transition:all .22s;}
.scale-cell:first-child{border-radius:12px 0 0 12px;}
.scale-cell:last-child{border-radius:0 12px 12px 0;}
.scale-cell + .scale-cell{border-left:0;}
.scale-cell:hover{z-index:2;box-shadow:inset 0 0 0 1px var(--brand),0 12px 28px rgba(15,23,42,.08);}
.scale-cell .s-m{font-size:12px;font-weight:800;color:var(--brand);letter-spacing:1.5px;}
.scale-cell .s-num{display:block;margin:8px 0 6px;font-size:24px;font-weight:800;color:var(--ink);}
.scale-cell p{font-size:12.8px;color:var(--ink-2);line-height:1.75;}
.scale-cell::after{content:"\2192";position:absolute;right:-11px;top:50%;margin-top:-11px;z-index:3;
  width:22px;height:22px;border-radius:50%;background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:12px;font-weight:800;}
.scale-cell:last-child::after{display:none;}
.scale-tip{margin-top:18px;padding:18px 24px;background:var(--brand-soft);border-left:4px solid var(--brand);
  border-radius:0 10px 10px 0;font-size:13.8px;color:var(--ink-2);line-height:1.85;}
.scale-tip b{color:var(--brand);}

/* ---------------- 承接 ---------------- */
.recv-4{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.recv-cell{position:relative;padding:24px 22px;background:#fff;border:1px solid var(--line);transition:all .22s;}
.recv-cell:first-child{border-radius:12px 0 0 12px;}
.recv-cell:last-child{border-radius:0 12px 12px 0;}
.recv-cell + .recv-cell{border-left:0;}
.recv-cell:hover{z-index:2;box-shadow:inset 0 0 0 1px var(--brand),0 12px 28px rgba(15,23,42,.08);}
.recv-cell .r-t{font-size:12px;font-weight:800;color:var(--brand);letter-spacing:1.5px;}
.recv-cell h5{margin:10px 0 8px;font-size:16px;}
.recv-cell p{font-size:12.8px;color:var(--ink-2);line-height:1.75;}
.recv-cell .r-sop{margin-top:10px;font-size:12.3px;color:var(--ink-3);line-height:1.7;}
.abc-3{margin-top:22px;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.abc-cell{padding:20px 22px;background:#fafbfc;border:1px solid var(--line);border-left:3px solid var(--brand-soft);
  border-radius:0 10px 10px 0;transition:all .22s;}
.abc-cell:hover{background:#fff;border-color:var(--brand);border-left-color:var(--brand);
  transform:translateY(-2px);box-shadow:0 8px 20px rgba(255,36,66,.1);}
.abc-cell .a-l{display:flex;align-items:center;gap:10px;}
.abc-cell .a-l b{font-size:20px;font-weight:800;color:var(--brand);}
.abc-cell .a-l span{font-size:13px;font-weight:700;color:var(--ink);}
.abc-cell .a-pct{margin-left:auto;font-size:18px;font-weight:800;color:var(--ink);}
.abc-cell p{margin-top:10px;font-size:12.8px;color:var(--ink-2);line-height:1.75;}
.sop-row{margin-top:22px;display:grid;grid-template-columns:repeat(5,1fr);gap:12px;counter-reset:sop;}
.sop-cell{counter-increment:sop;padding:16px 16px;background:#fff;border:1px solid var(--line);border-radius:8px;
  text-align:center;font-size:13px;font-weight:600;color:var(--ink);transition:all .22s;}
.sop-cell::before{content:counter(sop,decimal-leading-zero);display:block;margin-bottom:7px;
  font-size:11.5px;font-weight:800;color:var(--brand);letter-spacing:1px;}
.sop-cell:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);
  box-shadow:0 8px 20px rgba(255,36,66,.1);}
.sop-note{margin-top:18px;padding:18px 24px;background:#fafbfc;border-left:4px solid var(--ink-3);
  border-radius:0 10px 10px 0;font-size:13.5px;color:var(--ink-2);line-height:1.85;}

/* ---------------- 数据链路 / 周五问 ---------------- */
.metric-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.metric-row .m-node{padding:10px 18px;background:#fff;border:1px solid var(--line);border-radius:22px;
  font-size:13.5px;font-weight:600;color:var(--ink);transition:all .2s;}
.metric-row .m-node:hover{border-color:var(--brand);color:var(--brand);}
.metric-row .m-arrow{color:var(--brand);font-size:14px;font-weight:800;}
.metric-row .m-node.end{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}
/* 链路详版：每个节点看什么、掉在这一段查什么 */
.chain-6{margin-top:22px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
.chain-cell{padding:20px 22px;background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand-soft);
  border-radius:0 10px 10px 0;transition:all .22s;}
.chain-cell:hover{background:#fff;border-color:var(--brand);border-left-color:var(--brand);
  transform:translateY(-2px);box-shadow:0 10px 26px rgba(255,36,66,.1);}
.chain-cell .c-no{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;
  border-radius:50%;background:var(--brand-soft);color:var(--brand);font-size:11.5px;font-weight:800;}
.chain-cell h5{margin:10px 0 8px;font-size:16.5px;}
.chain-cell p{font-size:12.8px;color:var(--ink-2);line-height:1.75;}
.chain-cell .c-watch b{color:var(--ink);font-weight:700;}
.chain-cell .c-break{margin-top:7px;padding-top:7px;border-top:1px dashed var(--line);
  font-size:12.5px;color:var(--ink-3);}
.chain-cell .c-break b{color:var(--brand);}
.chain-end{margin-top:14px;padding:24px 28px;background:var(--ink);border-radius:12px;
  display:grid;grid-template-columns:1.15fr 1fr;gap:30px;align-items:center;}
.chain-end .ce-tag{display:inline-block;padding:4px 12px;border-radius:20px;background:rgba(255,36,66,.18);
  font-size:12px;font-weight:800;color:var(--brand);letter-spacing:1.5px;}
.chain-end .ce-l h5{margin:10px 0 6px;font-size:19px;color:#fff;}
.chain-end .ce-l p{font-size:13.2px;color:rgba(255,255,255,.72);line-height:1.8;}
.chain-end .ce-r p{padding:10px 16px;background:rgba(255,255,255,.06);border-left:3px solid var(--brand);
  border-radius:0 8px 8px 0;font-size:13px;color:rgba(255,255,255,.82);line-height:1.75;}
.chain-end .ce-r p + p{margin-top:10px;}
.chain-end .ce-r b{color:#fff;}
.use-3{margin-top:20px;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.use-cell{padding:22px 22px;background:#fff;border:1px solid var(--line);border-top:3px solid var(--brand-soft);
  border-radius:10px;transition:all .22s;}
.use-cell:hover{border-color:var(--brand);border-top-color:var(--brand);transform:translateY(-3px);
  box-shadow:0 12px 28px rgba(255,36,66,.12);}
.use-cell .u-no{font-size:12px;font-weight:800;color:var(--brand);letter-spacing:2px;}
.use-cell h5{margin:10px 0 8px;font-size:15.5px;line-height:1.6;}
.use-cell p{font-size:13px;color:var(--ink-2);line-height:1.8;}
.use-cell p b{color:var(--brand);}
.board-note{margin-top:18px;padding:18px 24px;background:var(--brand-soft);border-left:4px solid var(--brand);
  border-radius:0 10px 10px 0;font-size:13.8px;color:var(--ink-2);line-height:1.85;}
.board-note b{color:var(--brand);}
.week-5{margin-top:24px;display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:wk;}
.week-cell{counter-increment:wk;}
.week-cell .w-q::before{content:"Q" counter(wk) "  ";color:var(--brand);font-weight:800;}
.week-cell{padding:22px 20px;background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:0 8px 24px rgba(15,23,42,.05);transition:all .22s;}
.week-cell:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:0 14px 34px rgba(255,36,66,.12);}
.week-cell .w-q{font-size:13.5px;font-weight:600;color:var(--ink);line-height:1.7;}
.week-cell .w-a{margin-top:10px;padding-top:10px;border-top:1px dashed var(--line);
  font-size:12.8px;color:var(--ink-2);line-height:1.75;}
.week-cell .w-a b{color:var(--brand);}
.act-4{margin-top:22px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:act;}
.act-cell{counter-increment:act;padding:20px 20px;background:#fff;border:1px solid var(--line);
  border-top:3px solid var(--brand-soft);border-radius:10px;transition:all .22s;}
.act-cell h5::before{content:counter(act,decimal-leading-zero) " · ";color:var(--brand);font-weight:800;}
.act-cell:hover{border-color:var(--brand);border-top-color:var(--brand);transform:translateY(-3px);
  box-shadow:0 10px 26px rgba(255,36,66,.12);}
.act-cell h5{margin-bottom:6px;font-size:15.5px;}
.act-cell p{font-size:12.8px;color:var(--ink-2);line-height:1.75;}

/* ---------------- 案例 ---------------- */
.xhs-case{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.case-cell{padding:22px 22px;background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:0 8px 24px rgba(15,23,42,.05);transition:all .22s;}
.case-cell:hover{border-color:var(--brand);transform:translateY(-4px);box-shadow:0 16px 38px rgba(255,36,66,.13);}
.case-cell .c-tag{display:inline-block;padding:3px 11px;border-radius:20px;background:var(--brand-soft);
  color:var(--brand);font-size:12px;font-weight:700;}
.case-cell .c-num{display:block;margin:10px 0 8px;font-size:20px;font-weight:800;color:var(--brand);letter-spacing:.5px;}
.case-cell p{font-size:13px;color:var(--ink-2);line-height:1.8;}
.case-foot{margin-top:16px;font-size:12.5px;color:var(--ink-3);}

/* ---------------- 交付形态 ---------------- */
.deliver-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.dlv-card{position:relative;overflow:hidden;display:flex;flex-direction:column;padding:30px 26px;background:#fff;
  border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 26px rgba(15,23,42,.05);transition:all .22s;}
.dlv-card:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(15,23,42,.12);}
.dlv-card.hot{border:1px solid var(--brand);box-shadow:0 10px 30px rgba(255,36,66,.1);}
.dlv-card.hot::before{content:"最多人选";position:absolute;right:0;top:0;padding:6px 16px;background:var(--brand);
  color:#fff;border-radius:0 12px 0 12px;font-size:12px;font-weight:800;letter-spacing:1px;}
.dlv-card .d-tag{font-size:12px;font-weight:800;color:var(--brand);letter-spacing:2px;}
.dlv-card h3{margin:12px 0 6px;font-size:19px;}
.dlv-card .d-price{font-size:26px;font-weight:800;color:var(--ink);}
.dlv-card .d-price small{font-size:13px;font-weight:400;color:var(--ink-3);}
.dlv-card .d-old{margin-top:4px;font-size:12.5px;color:var(--ink-3);text-decoration:line-through;}
.dlv-card ul{margin:16px 0 0;}
.dlv-card li{position:relative;padding:6px 0 6px 18px;font-size:13.2px;color:var(--ink-2);line-height:1.75;}
.dlv-card li::before{content:"";position:absolute;left:0;top:14px;width:6px;height:6px;border-radius:50%;background:var(--brand);}
.dlv-card .d-btn{margin-top:auto;padding-top:18px;}
.ai-note{margin-top:20px;padding:24px 28px;background:var(--ink);border-radius:12px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;}
.ai-note .a-l{font-size:16px;font-weight:700;color:#fff;}
.ai-note .a-l span{display:block;margin-top:8px;font-size:13.2px;font-weight:400;color:rgba(255,255,255,.72);line-height:1.8;}
.ai-note .a-badge{flex-shrink:0;padding:8px 18px;border:1px solid rgba(255,255,255,.35);border-radius:20px;
  font-size:13px;font-weight:700;color:#fff;}

/* ---------------- 金句条 ---------------- */
.quote-band{position:relative;overflow:hidden;padding:48px 0;background:var(--brand);}
.quote-band::after{content:"";position:absolute;right:-70px;bottom:-130px;width:340px;height:340px;
  border-radius:50%;background:rgba(255,255,255,.08);}
.quote-band .wrap{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:44px;}
.quote-band p{font-size:26px;font-weight:700;color:#fff;line-height:1.6;letter-spacing:.5px;}
.quote-band p:first-child::before{content:"\201C";font-family:Georgia,"Times New Roman",serif;
  font-size:56px;line-height:1;opacity:.35;margin-right:8px;vertical-align:-10px;}
.quote-band .qs{margin-top:10px;font-size:14px;font-weight:400;color:rgba(255,255,255,.85);}
.quote-band .btn{flex-shrink:0;background:#fff;border-color:#fff;color:var(--brand);}
.quote-band .btn:hover{background:rgba(255,255,255,.15);color:#fff;transform:translateY(-2px);}

/* ---------------- FAQ 左右结构（与首页 / 短视频页保持一致） ---------------- */
.faq-layout{display:grid;grid-template-columns:400px 1fr;gap:36px;align-items:stretch;}
.faq-tabs{position:sticky;top:120px;display:flex;flex-direction:column;}
.faq-tab{flex:0 0 auto;display:flex;flex-direction:column;justify-content:center;width:100%;text-align:left;
  padding:14px 20px;margin-bottom:10px;background:#fff;
  border:1px solid var(--line);border-radius:8px;font-family:inherit;font-size:15px;font-weight:600;
  color:var(--ink);cursor:pointer;transition:all .2s;line-height:1.6;}
.faq-tab .t-no{display:block;margin-bottom:2px;font-size:11.5px;font-weight:800;color:var(--brand);letter-spacing:1.5px;}
.faq-tab:last-child{margin-bottom:0;}
.faq-tab:hover{border-color:var(--brand);color:var(--brand);}
.faq-tab.active{background:var(--brand);border-color:var(--brand);color:#fff;}
.faq-tab.active .t-no{color:rgba(255,255,255,.85);}
.faq-tabs.fill .faq-tab{flex:0 0 auto;}
.faq-side{margin-top:14px;min-height:126px;padding:20px 22px;background:var(--ink);border-radius:10px;
  flex:1 1 auto;display:flex;flex-direction:column;justify-content:center;}
.faq-side .s-t{font-size:15px;font-weight:700;color:#fff;}
.faq-side .s-d{margin:8px 0 14px;font-size:12.8px;color:rgba(255,255,255,.72);line-height:1.8;}
.faq-side .s-btn{display:inline-block;padding:9px 18px;background:#fff;border-radius:20px;
  color:var(--brand);font-size:13px;font-weight:700;transition:all .2s;}
.faq-side .s-btn:hover{background:var(--brand);color:#fff;}
.faq-panes{padding:28px 36px;background:#fff;border:1px solid var(--line);border-radius:12px;overflow-y:auto;}
.faq-pane{display:none;}
.faq-pane.active{display:flex;flex-direction:column;min-height:100%;}
.faq-pane .faq-a{display:flex;flex-direction:column;flex:1 1 auto;padding:0;}
.pane-q{display:flex;align-items:center;gap:12px;margin-bottom:14px;padding-bottom:13px;
  border-bottom:1px solid var(--line);font-size:21px;font-weight:700;}
.pane-q .q-no{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:27px;
  padding:0 9px;background:var(--brand);color:#fff;border-radius:6px;
  font-size:12.5px;font-weight:800;letter-spacing:1px;font-style:normal;}
.faq-a .lead{padding:13px 18px;background:#f7f8fa;border-left:3px solid var(--brand);border-radius:0 8px 8px 0;
  font-size:15.5px;color:var(--ink);line-height:1.8;}
.faq-a .lead b{color:var(--brand);}
.faq-a ul{margin-top:13px;}
.faq-a ul::before{content:"分条依据";display:block;margin-bottom:7px;font-size:12px;font-weight:800;
  color:var(--ink-3);letter-spacing:2px;}
.faq-a ul li{position:relative;margin-bottom:5px;padding:8px 14px 8px 30px;background:#fafbfc;border-radius:8px;
  font-size:13.8px;color:var(--ink-2);line-height:1.72;transition:background .2s;}
.faq-a ul li:last-child{margin-bottom:0;}
.faq-a ul li::before{content:"";position:absolute;left:11px;top:13px;width:14px;height:14px;
  background:url(../images/check-line.png) no-repeat center/contain;}
.faq-a ul li:hover{background:#fff5f6;}
.faq-a ul li b{color:var(--ink);font-weight:600;}
.faq-a .note{display:flex;align-items:flex-start;gap:9px;margin-top:13px;padding:11px 16px;
  background:var(--brand-soft);border-radius:8px;font-size:13.4px;color:var(--ink-2);line-height:1.75;}
.faq-a .note::before{content:"!";flex-shrink:0;width:18px;height:18px;margin-top:3px;border-radius:50%;
  background:var(--brand);color:#fff;font-size:12px;font-weight:800;
  display:flex;align-items:center;justify-content:center;}
.faq-a .note b{color:var(--brand);}
.faq-a .faq-links{margin-top:auto;padding-top:16px;border-top:1px dashed var(--line);
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;}
.faq-a .faq-links::before{content:"下一步";margin-right:3px;padding-left:17px;font-size:12px;font-weight:800;
  color:var(--ink-3);letter-spacing:2px;
  background:url(../images/arrow-right-line.png) no-repeat left center/13px 13px;}
.faq-a .faq-links a{display:inline-block;padding:6px 15px;border:1px solid var(--brand);border-radius:20px;
  color:var(--brand);font-weight:600;transition:all .2s;}
.faq-a .faq-links a:hover{background:var(--brand);color:#fff;}

/* ---------------- 通用补强：卡片默认一层轻阴影，整体更立体 ---------------- */
.who-cell,.var-cell,.factor,.ring-cell,.diag-cell,.cut-cell,.prod-cell,.kw-cell,.note-cell,
.type-card,.mom-cell,.acct-card,.cold-cell,.scale-cell,.recv-cell,.abc-cell,.sop-cell,
.chain-cell,.use-cell,.week-cell,.act-cell,.case-cell,.dlv-card{box-shadow:0 4px 14px rgba(15,23,42,.035);}
.diag-cell:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(255,36,66,.1);}
.metric-row .m-node{box-shadow:0 2px 8px rgba(15,23,42,.04);}

/* ---------------- 双 CTA ---------------- */
.xhs-cta{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.xhs-cta .card{position:relative;overflow:hidden;padding:42px 38px;border-radius:14px;background:var(--ink);color:#fff;
  transition:all .22s;}
.xhs-cta .card.red{background:var(--brand);}
.xhs-cta .card::after{content:"";position:absolute;right:-70px;bottom:-90px;width:260px;height:260px;
  border-radius:50%;background:rgba(255,255,255,.07);}
.xhs-cta .card:hover{transform:translateY(-3px);box-shadow:0 18px 44px rgba(15,23,42,.2);}
.xhs-cta .card>*{position:relative;z-index:1;}
.xhs-cta .kicker{font-size:13px;letter-spacing:2px;color:rgba(255,255,255,.6);}
.xhs-cta h3{margin:12px 0 12px;font-size:23px;}
.xhs-cta p{font-size:14px;color:rgba(255,255,255,.78);line-height:1.85;min-height:76px;}
.xhs-cta .btn{margin-top:20px;background:#fff;border-color:#fff;color:var(--brand);}
.xhs-cta .btn:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);}