/* ============================================================
   首页私有样式 index.css（引用 common.css 后加载）
   ============================================================ */

/* ---------------- Hero ---------------- */
.hero{background:linear-gradient(180deg,#fff5f6 0%,#ffffff 92%);}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center;padding:84px 0 88px;}
.hero-tag{display:inline-block;padding:6px 16px;background:#fff;border:1px solid #ffd4db;border-radius:20px;
  color:var(--brand);font-size:13.5px;font-weight:600;letter-spacing:1px;}
.hero h1{margin-top:22px;font-size:50px;font-weight:800;line-height:1.32;letter-spacing:1px;}
.hero h1 .hl{color:var(--brand);}
.hero-desc{margin-top:24px;font-size:17px;color:var(--ink-2);max-width:620px;line-height:1.9;}
.hero-btns{margin-top:38px;display:flex;gap:18px;}
.hero-note{margin-top:16px;font-size:13px;color:var(--ink-3);}
.hero-figure{position:relative;}
.hero-figure img{width:100%;border-radius:16px;box-shadow:0 20px 60px rgba(255,36,66,.14);}

/* 信任状数据条 */
.trust-bar{border-top:1px solid var(--line);padding:34px 0 38px;background:#fff;}
.trust-bar ul{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;}
.trust-bar li{text-align:center;}
.trust-bar b{display:block;font-size:30px;font-weight:800;color:var(--brand);line-height:1.2;}
.trust-bar span{display:block;margin-top:6px;font-size:13.5px;color:var(--ink-2);}

/* ---------------- 五条业务线卡片 ---------------- */
.line-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;}
.line-card{display:flex;flex-direction:column;padding:30px 22px 24px;border:1px solid var(--line);border-radius:12px;
  background:#fff;text-align:center;transition:all .25s;}
.line-card:hover{border-color:var(--brand);box-shadow:0 14px 40px rgba(255,36,66,.12);transform:translateY(-4px);}
.line-no{display:block;font-size:12.5px;font-weight:800;color:var(--brand);letter-spacing:2px;}
.line-icon{width:52px;height:52px;border-radius:12px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;margin:14px auto 16px;color:var(--brand);}
.line-card h3{font-size:18px;font-weight:700;text-align:center;}
.line-card .sub{margin:6px 0 16px;font-size:13px;color:var(--ink-3);}
.line-card ul{text-align:center;padding-bottom:18px;}
.line-card ul li{padding:3.5px 0;font-size:13px;color:var(--ink-2);}
.line-card .more{display:block;margin-top:auto;padding-top:16px;border-top:1px dashed var(--line);
  font-size:13.5px;font-weight:600;color:var(--brand);text-align:center;}
.line-card:hover .more{border-top-color:var(--brand);}
.line-card.new .line-no{color:var(--ink-3);line-height:1.6;}
.line-card.new .badge{display:inline-block;margin-left:7px;padding:2px 9px;font-size:11px;font-weight:700;
  color:#fff;background:var(--brand);border-radius:10px;letter-spacing:0;line-height:1.5;vertical-align:middle;}
.line-card.new:hover .line-no{color:var(--brand);}

/* ---------------- 痛点共鸣 ---------------- */
.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.pain{padding:30px 26px;background:#fff;border:1px solid var(--line);border-radius:10px;}
.pain .num{font-size:14px;font-weight:800;color:var(--brand);}
.pain b{display:block;margin:10px 0 8px;font-size:16.5px;line-height:1.5;}
.pain p{font-size:13.5px;color:var(--ink-2);}

/* ---------------- 方法论对比 ---------------- */
.vs-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.vs-col{padding:38px 36px;border-radius:12px;border:1px solid var(--line);background:#fafafa;}
.vs-col h3{font-size:20px;margin-bottom:6px;}
.vs-col .vs-sub{font-size:13.5px;color:var(--ink-3);margin-bottom:16px;}
.vs-col li{position:relative;padding:8px 0 8px 26px;font-size:14.5px;color:var(--ink-2);}
.vs-col li::before{content:"";position:absolute;left:0;top:10px;width:15px;height:15px;
  background:url(../images/close-line.png) no-repeat center/contain;}
.vs-col.good{background:var(--brand);border-color:var(--brand);color:#fff;}
.vs-col.good h3{color:#fff;}
.vs-col.good .vs-sub{color:rgba(255,255,255,.8);}
.vs-col.good li{color:rgba(255,255,255,.94);}
/* good 列是红底，勾图本身为红，用 filter 反白 */
.vs-col.good li::before{background-image:url(../images/check-line.png);filter:brightness(0) invert(1);}

/* ---------------- 系统四环 + 公式 ---------------- */
.loop-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.loop-step{position:relative;padding:30px 26px;background:#fff;border:1px solid var(--line);border-radius:12px;}
.loop-step .step-no{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
  border-radius:50%;background:var(--brand);color:#fff;font-weight:800;font-size:15px;}
.loop-step h3{margin:16px 0 8px;font-size:18px;}
.loop-step p{font-size:13.5px;color:var(--ink-2);}
.loop-step .go{display:block;margin-top:10px;font-size:12.5px;color:var(--brand);font-weight:600;}
.loop-step::after{content:"";position:absolute;right:-16px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;background:url(../images/arrow-right-line.png) no-repeat center/contain;z-index:1;}
.loop-step:last-child::after{display:none;}
.formula{margin-top:38px;padding:28px 36px;background:var(--ink);border-radius:12px;text-align:center;}
.formula .f-label{font-size:13px;color:rgba(255,255,255,.55);letter-spacing:3px;margin-bottom:10px;}
.formula p{font-size:19px;color:#fff;font-weight:600;letter-spacing:.5px;}
.formula p i{color:#ff5c73;font-weight:800;margin:0 6px;}

/* ---------------- 案例速览 ---------------- */
.case-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;}
.case-card{padding:26px 22px;background:#fff;border:1px solid var(--line);border-radius:10px;transition:all .25s;}
.case-card:hover{border-color:var(--brand);box-shadow:0 10px 30px rgba(255,36,66,.1);}
.case-card .c-tag{display:inline-block;padding:2px 10px;font-size:12px;font-weight:600;
  color:var(--brand);background:var(--brand-soft);border-radius:3px;}
/* 案例卡标签图标：按业务线对应 */
.case-card .c-tag::before{content:"";display:inline-block;width:12px;height:12px;margin-right:5px;
  vertical-align:-1px;background:no-repeat center/contain;}
.case-card:nth-child(1) .c-tag::before{background-image:url(../images/play-line.png);}
.case-card:nth-child(2) .c-tag::before{background-image:url(../images/user-line.png);}
.case-card:nth-child(3) .c-tag::before{background-image:url(../images/heart-line.png);}
.case-card:nth-child(4) .c-tag::before{background-image:url(../images/chat-ai-line.png);}
.case-card:nth-child(5) .c-tag::before{background-image:url(../images/camera-line.png);}
.case-card .c-ind{margin-top:16px;font-size:13px;color:var(--ink-3);}
.case-card .num{display:block;margin:6px 0 8px;font-size:24px;font-weight:800;color:var(--brand);line-height:1.3;}
.case-card p{font-size:13px;color:var(--ink-2);line-height:1.65;}
.case-card.new .c-tag{color:var(--ink-2);background:var(--bg-soft);}
.case-foot{margin-top:26px;font-size:12.5px;color:var(--ink-3);}

/* ---------------- 洞察内容库 ---------------- */
.sec-hairline{border-top:1px solid var(--line);}
.ins-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.ins-card{display:flex;flex-direction:column;padding:26px 24px 22px;background:#fff;
  border:1px solid var(--line);border-radius:12px;transition:all .22s;}
.ins-card:hover{border-color:var(--brand);box-shadow:0 12px 32px rgba(255,36,66,.1);transform:translateY(-4px);}
.ins-card .ins-tag{align-self:flex-start;padding:3px 11px;border-radius:20px;background:var(--brand-soft);
  color:var(--brand);font-size:12px;font-weight:700;line-height:1.7;}
.ins-card h3{margin:14px 0 10px;font-size:17.5px;font-weight:700;line-height:1.55;transition:color .2s;}
.ins-card:hover h3{color:var(--brand);}
.ins-card p{font-size:13.5px;color:var(--ink-2);line-height:1.85;}
.ins-card .ins-meta{margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:12.5px;color:var(--ink-3);}
.ins-card .ins-meta .more{color:var(--brand);font-weight:600;}
.ins-card.feature{border-top:3px solid var(--brand);}
.ins-card.feature h3{font-size:20px;line-height:1.5;}
.ins-foot{margin-top:26px;padding:22px 28px;background:var(--ink);border-radius:12px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;}
.ins-cats{display:flex;align-items:center;flex-wrap:wrap;gap:20px;font-size:13.5px;}
.ins-cats span{color:rgba(255,255,255,.45);letter-spacing:1px;}
.ins-cats a{color:rgba(255,255,255,.75);}
.ins-cats a:hover{color:#fff;}
.ins-foot .btn{flex-shrink:0;background:#fff;border-color:#fff;color:var(--brand);}
.ins-foot .btn:hover{background:rgba(255,255,255,.14);color:#fff;}

/* ---------------- 适合谁 / 不适合谁 ---------------- */
.fit-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.fit-col{padding:38px 36px 30px;border-radius:12px;border:1px solid var(--line);background:#fff;}
.fit-col .col-lead{font-size:19px;font-weight:700;margin-bottom:6px;}
.fit-col .col-sub{font-size:13.5px;color:var(--ink-3);margin-bottom:12px;}
.fit-item{padding:18px 0;border-bottom:1px dashed var(--line);}
.fit-item:last-child{border-bottom:0;padding-bottom:0;}
.fit-item .ft{display:flex;align-items:center;gap:9px;font-size:16px;font-weight:700;}
.fit-item .ic{flex-shrink:0;display:flex;align-items:center;justify-content:center;width:20px;height:20px;
  border-radius:50%;font-size:12px;font-weight:700;}
.fit-col.fit .ic{background:var(--brand-soft);color:var(--brand);}
.fit-col.nofit .ic{background:#eef0f3;color:#98a0a9;}
.fit-item p{margin-top:9px;font-size:13.5px;color:var(--ink-2);line-height:1.85;}
.fit-item .line-add{margin-top:9px;font-size:13px;color:var(--ink-3);line-height:1.8;
  padding-left:12px;border-left:2px solid var(--line);}
.fit-item .note{display:inline-block;margin-top:9px;font-size:12.5px;font-weight:600;color:var(--brand);}
.fit-item .note::before{content:"";display:inline-block;width:13px;height:13px;margin-right:5px;
  vertical-align:-1px;background:url(../images/arrow-right-line.png) no-repeat center/contain;}
.fit-col.nofit{background:#fafafa;}
.fit-col.nofit .note{color:var(--ink-2);}

/* 八类企业对号入座 */
.type-head{margin:56px 0 0;}
.type-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:8px;}
.type-cell{padding:22px 20px;background:#fff;border:1px solid var(--line);border-radius:10px;transition:all .22s;}
.type-cell:hover{border-color:var(--brand);box-shadow:0 10px 28px rgba(255,36,66,.1);}
.type-cell .no{font-size:12px;font-weight:800;color:var(--brand);letter-spacing:1.5px;}
.type-cell h4{margin:7px 0 9px;font-size:16px;}
/* 八类企业卡片图标：按顺序配语义图标，黑色图用滤镜染红 */
.type-cell h4::before{content:"";display:inline-block;width:17px;height:17px;margin-right:6px;
  vertical-align:-2px;background:no-repeat center/contain;}
.type-cell:nth-child(1) h4::before{background-image:url(../images/user-line.png);}
.type-cell:nth-child(2) h4::before{background-image:url(../images/user-add-line.png);}
.type-cell:nth-child(3) h4::before{background-image:url(../images/home-line.png);}
.type-cell:nth-child(4) h4::before{background-image:url(../images/grid-line.png);
  filter:invert(30%) sepia(94%) saturate(7485%) hue-rotate(345deg) brightness(98%) contrast(107%);}
.type-cell:nth-child(5) h4::before{background-image:url(../images/bar-chart-line.png);}
.type-cell:nth-child(6) h4::before{background-image:url(../images/file-check-line.png);}
.type-cell:nth-child(7) h4::before{background-image:url(../images/sparkling-line.png);
  filter:invert(30%) sepia(94%) saturate(7485%) hue-rotate(345deg) brightness(98%) contrast(107%);}
.type-cell:nth-child(8) h4::before{background-image:url(../images/chat-line.png);}
.type-cell p{font-size:12.5px;color:var(--ink-2);line-height:1.75;min-height:44px;}
.type-cell a{display:inline-block;margin-top:6px;font-size:12.5px;font-weight:600;color:var(--brand);}

/* 三个变量自测条 */
.var-bar{margin-top:26px;padding:26px 32px;background:var(--ink);border-radius:12px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;}
.var-bar .vb-kicker{font-style:normal;font-size:12.5px;letter-spacing:2px;color:rgba(255,255,255,.5);}
.var-bar strong{display:block;margin-top:6px;font-size:17px;color:#fff;}
.var-bar ul{display:flex;gap:28px;}
.var-bar li{font-size:13px;color:rgba(255,255,255,.72);line-height:1.7;}
.var-bar li b{color:#fff;font-weight:600;}
.var-bar .btn{flex-shrink:0;background:#fff;border-color:#fff;color:var(--brand);}
.var-bar .btn:hover{background:rgba(255,255,255,.14);color:#fff;}

/* ---------------- 创始人背书 ---------------- */
.founder-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:52px;align-items:center;}
.founder-quote{font-size:20px;line-height:2;font-weight:600;}
.founder-quote .hl{color:var(--brand);}
.founder-name{margin-top:18px;font-size:14px;color:var(--ink-3);}
.founder-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.founder-stat{padding:26px 20px;background:#fff;border:1px solid var(--line);border-radius:10px;text-align:center;}
.founder-stat b{display:block;font-size:24px;font-weight:800;color:var(--brand);}
.founder-stat span{display:block;margin-top:6px;font-size:12.5px;color:var(--ink-2);line-height:1.5;}

/* ---------------- 双钩子 CTA ---------------- */
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.cta-card{padding:44px 40px;border-radius:14px;background:var(--ink);color:#fff;}
.cta-card.red{background:var(--brand);}
.cta-card .c-kicker{font-size:13px;letter-spacing:2px;color:rgba(255,255,255,.6);}
.cta-card h3{margin:12px 0 12px;font-size:24px;}
.cta-card p{font-size:14px;color:rgba(255,255,255,.78);line-height:1.8;min-height:76px;}
.cta-card .btn{margin-top:20px;background:#fff;border-color:#fff;color:var(--brand);}
.cta-card .btn:hover{background:rgba(255,255,255,.14);color:#fff;}
.cta-card.red .btn{background:#fff;color:var(--brand);}
.cta-card.red .btn:hover{background:rgba(255,255,255,.15);color:#fff;}

/* ---------------- FAQ 左右结构（左侧问题 / 右侧答案，1380px 通栏） ---------------- */
.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-tabs.fill .faq-tab{flex:1 1 auto;} /* 仅在答案高于左栏时启用，让按钮均分多出的高度 */
.faq-tab{flex:0 0 auto;display:flex;flex-direction:column;justify-content:center;width:100%;text-align:left;
  padding:16px 22px;margin-bottom:10px;background:#fff;
  border:1px solid var(--line);border-radius:8px;font-family:inherit;font-size:15.5px;font-weight:600;
  color:var(--ink);cursor:pointer;transition:all .2s;line-height:1.6;}
.faq-tab .t-no{display:block;margin-bottom:3px;font-size:12px;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-panes{padding:32px 40px;background:#fff;border:1px solid var(--line);border-radius:12px;overflow-y:auto;}
.faq-pane{display:none;}
.faq-pane.active{display:block;}
.faq-pane .faq-a{display:block;padding:0;}
/* ---------- 答案正文美化 ---------- */
.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:15px;padding-top:13px;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;}
.week-row{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:14px;}
.week-cell{padding:14px 16px;background:#fff;border:1px solid var(--line);border-radius:10px;transition:all .22s;}
.week-cell:hover{border-color:var(--brand);box-shadow:0 8px 22px rgba(255,36,66,.1);transform:translateY(-3px);}
.week-cell .w{display:inline-block;padding:2px 9px;background:var(--brand-soft);border-radius:10px;
  font-size:12px;font-weight:800;color:var(--brand);letter-spacing:1px;}
.week-cell h5{margin:8px 0 5px;font-size:15px;}
.week-cell p{font-size:12.5px;color:var(--ink-2);line-height:1.65;}

/* ---------------- 首页欢迎弹窗 ---------------- */
.welcome-mask{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;
  padding:20px;background:rgba(15,23,42,.46);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);
  opacity:0;visibility:hidden;transition:opacity .35s ease,visibility .35s ease;}
.welcome-mask.show{opacity:1;visibility:visible;}
.welcome-modal{position:relative;width:min(92vw,440px);background:#fff;border-radius:18px;padding:36px 32px 30px;
  text-align:center;box-shadow:0 24px 64px rgba(15,23,42,.24);transform:translateY(14px) scale(.97);
  transition:transform .35s cubic-bezier(.2,.8,.3,1);}
.welcome-mask.show .welcome-modal{transform:translateY(0) scale(1);}
.welcome-close{position:absolute;top:10px;right:14px;width:34px;height:34px;border:none;background:transparent;
  font-size:26px;line-height:1;color:var(--ink-2);cursor:pointer;opacity:.5;transition:opacity .2s;}
.welcome-close:hover{opacity:1;}
.welcome-icon{font-size:34px;color:var(--brand);margin-bottom:10px;line-height:1;}
.welcome-title{margin:0 0 12px;font-size:20px;font-weight:700;line-height:1.55;color:var(--ink);}
.welcome-text{margin:0 0 24px;font-size:15px;line-height:1.85;color:var(--ink-2);}
.welcome-btn{display:inline-block;padding:12px 34px;border:none;border-radius:999px;background:var(--brand);
  color:#fff;font-size:15px;font-weight:600;font-family:inherit;cursor:pointer;
  transition:transform .15s ease,box-shadow .2s ease;}
.welcome-btn:hover{transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,36,66,.28);}
@media (max-width:480px){
  .welcome-modal{padding:30px 22px 24px;}
  .welcome-title{font-size:18px;}
  .welcome-text{font-size:14px;}
}