/* ==========================================================================
   tuiguang.html · 网络推广服务
   版式：深底 Hero + 渠道矩阵（错落卡片，大小混排）+ 横向三步时间轴
         + 线索漏斗（倒梯形）+ 对比表 + 图文过渡 + CTA
   ========================================================================== */

/* ---------- 深底 Hero ---------- */
.tg-hero{
  margin-top:64px;background:var(--brown-deep);color:#efe8dc;
  padding:90px 0 80px;position:relative;overflow:hidden;
}
.tg-hero-in{max-width:760px}
.crumb-light{color:rgba(255,255,255,.6)}
.crumb-light a{color:rgba(255,255,255,.75)}
.crumb-light .now{color:#e8c9a0}
.crumb-light i{color:rgba(255,255,255,.25)}
.sec-eyebrow-light{color:#d9b98c}
.sec-eyebrow-light::before{background:#d9b98c}
.tg-hero h1{color:#fff;margin:14px 0 0}
.tg-hero-sub{margin:20px 0 0;color:rgba(255,255,255,.72);font-size:16px;line-height:2;max-width:620px}
.tg-hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.tg-hero-line{color:#fff;border-color:rgba(255,255,255,.4)}
.tg-hero-line:hover{background:#fff;color:var(--brown-deep)}
.tg-hero-chips{
  margin-top:44px;display:flex;gap:14px;flex-wrap:wrap;align-items:center;
  font-size:13.5px;color:rgba(255,255,255,.6);
}
.tg-hero-chips i{font-style:normal;color:rgba(255,255,255,.25)}

/* ---------- 渠道矩阵 ---------- */
.matrix{padding:70px 0 10px}
.matrix-grid{
  margin-top:36px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:start;
}
.matrix-card{
  background:var(--card);border:1px solid var(--line-2);border-radius:var(--r);
  padding:28px 26px;display:flex;flex-direction:column;min-height:220px;
}
.matrix-card:nth-child(odd){transform:translateY(18px)}
.matrix-lg{min-height:260px;background:var(--brown-bg)}
.m-chip{
  align-self:flex-start;font-size:12px;letter-spacing:.16em;color:var(--brown-soft);
  background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:4px 12px;margin-bottom:16px;
}
.matrix-card h3{font-size:20px;margin-bottom:10px}
.matrix-card p{font-size:14px;color:var(--ink-2);line-height:1.9;flex:1}
.matrix-card p a{color:var(--brown);text-decoration:underline;text-underline-offset:3px}
.m-meta{
  margin-top:18px;padding-top:14px;border-top:1px dashed var(--line);
  display:flex;gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);
}

/* ---------- 投放节奏：横向时间轴 ---------- */
.rhythm{padding:70px 0 10px}
.rhythm-track{
  margin:44px auto 0;max-width:1080px;display:grid;grid-template-columns:repeat(3,1fr);
  gap:30px;position:relative;
}
.rhythm-track::before{
  content:"";position:absolute;top:9px;left:8%;right:8%;height:2px;
  background:var(--line);
}
.rhythm-step{position:relative;padding-top:40px}
.rs-dot{
  position:absolute;top:0;left:0;width:20px;height:20px;border-radius:50%;
  background:var(--card);border:3px solid var(--brown);z-index:1;
}
.rs-body b{display:block;font-size:13px;letter-spacing:.1em;color:var(--brown-soft);margin-bottom:8px}
.rs-body h3{font-size:18px;margin-bottom:8px}
.rs-body p{font-size:13.5px;color:var(--ink-2);line-height:1.85}

/* ---------- 线索漏斗 ---------- */
.funnel{padding:70px 0 10px}
.funnel-in{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.funnel-copy h2{margin:12px 0 16px}
.funnel-copy p{color:var(--ink-2);font-size:15px;line-height:2;max-width:480px}
.funnel-chart{display:grid;gap:10px;justify-items:center}
.fn{
  background:var(--brown-bg);color:var(--brown-deep);border-radius:var(--r-sm);
  padding:16px 22px;display:flex;justify-content:space-between;align-items:center;gap:20px;
  font-size:14px;box-shadow:var(--shadow-sm);
}
.fn span{color:var(--brown-soft);font-size:13px}
.fn b{font-family:var(--font-serif);font-size:16px}
.fn-1{width:100%}
.fn-2{width:82%}
.fn-3{width:62%}
.fn-4{width:44%;background:var(--brown);color:#fff}
.fn-4 span{color:#d9b98c}

/* ---------- 对比表 ---------- */
.cmp{padding:70px 0 10px}
.cmp-scroll{margin-top:34px;overflow-x:auto}
.cmp-tbl .ct-col{width:16%}

/* ---------- 图文过渡 ---------- */
.tg-media{padding:70px 0 10px}
.tg-media-in{display:grid;grid-template-columns:1fr 1.1fr;gap:50px;align-items:center}
.tg-media-img img{border-radius:var(--r);width:100%;height:auto;box-shadow:var(--shadow)}
.tg-media-copy h2{margin:12px 0 16px}
.tg-media-copy p{color:var(--ink-2);font-size:15px;line-height:2}
.tg-media-copy a{color:var(--brown);text-decoration:underline;text-underline-offset:3px}

/* ---------- FAQ ---------- */
.faq{padding:70px 0 10px}
.faq-list{display:grid;gap:14px}
.faq details{background:var(--card);border:1px solid var(--line-2);border-radius:var(--r);padding:18px 24px}
.faq summary{cursor:pointer;font-weight:600;color:var(--brown-deep);list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q";display:inline-block;width:22px;height:22px;line-height:22px;text-align:center;border-radius:50%;background:var(--brown-bg);color:#fff;font-size:12px;margin-right:10px}
.faq p{color:var(--ink-2);font-size:14.5px;line-height:1.9;margin:12px 0 0 32px}
.faq p a{color:var(--brown);text-decoration:underline;text-underline-offset:3px}

/* ---------- 预算搭配 ---------- */
.budget{padding:60px 0 10px}
.budget-rows{margin-top:34px;display:grid;gap:14px;max-width:900px}
.budget-row{
  display:grid;grid-template-columns:220px 1fr;gap:20px;align-items:center;
  background:var(--card);border:1px solid var(--line-2);border-radius:var(--r);padding:20px 26px;
}
.budget-row:nth-child(even){transform:translateX(24px)}
.bg-tag{
  font-family:var(--font-serif);font-size:15px;color:var(--brown-deep);
  background:var(--brown-bg);border-radius:999px;padding:8px 16px;text-align:center;
}
.budget-row p{font-size:14.5px;color:var(--ink-2);line-height:1.9}

/* ---------- CTA ---------- */
.tg-cta{margin-top:80px;background:var(--brown);color:#efe8dc}
.tg-cta-in{display:flex;justify-content:space-between;align-items:center;gap:36px;padding:64px 28px;flex-wrap:wrap}
.tg-cta-copy h2{color:#fff;margin-bottom:12px}
.tg-cta-copy p{color:rgba(255,255,255,.7)}
.tg-cta-btns{display:flex;gap:14px;flex-wrap:wrap}
.tg-cta-line{color:#fff;border-color:rgba(255,255,255,.45)}
.tg-cta-line:hover{background:#fff;color:var(--brown)}

/* ---------- 数字条 ---------- */
.stats-band{padding:30px 0 10px}
.sb-in{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.sb-item{background:var(--brown-deep);color:#efe8dc;border-radius:var(--r);padding:26px 20px;text-align:center}
.sb-item b{font-family:var(--font-serif);font-size:36px;color:#fff;display:block}
.sb-item b em{font-style:normal;font-size:18px;color:#d9b98c;margin-left:2px}
.sb-item span{font-size:12.5px;color:rgba(255,255,255,.65)}

/* ---------- 收费小条 ---------- */
.strip-sec{padding:30px 0 10px}
.strip-in{background:var(--paper);border:1px solid var(--line-2);border-left:4px solid var(--brown-soft);border-radius:var(--r);padding:26px 30px}
.strip-in h3{font-size:17px;margin-bottom:8px}
.strip-in p{font-size:14px;color:var(--ink-2);line-height:1.9}

/* ---------- 延伸阅读 ---------- */
.more-sec{padding:60px 0 10px}
.more-grid{margin-top:30px;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.more-card{display:block;background:var(--card);border:1px solid var(--line-2);border-radius:var(--r);padding:20px;text-decoration:none;color:var(--brown-deep);transition:transform .3s,border-color .3s}
.more-card:hover{transform:translateY(-4px);border-color:var(--brown-soft)}
.more-card b{font-size:15.5px;display:block;margin-bottom:8px}
.more-card p{font-size:13px;color:var(--ink-2);line-height:1.8}

/* ---------- 第一个月 ---------- */
.week-sec{padding:50px 0 10px}
.week-list{margin-top:26px;display:grid;gap:10px;max-width:860px}
.wk-row{display:grid;grid-template-columns:110px 1fr;gap:18px;align-items:center;background:var(--card);border:1px solid var(--line-2);border-radius:var(--r);padding:16px 22px}
.wk-row b{font-family:var(--font-serif);color:var(--brown)}
.wk-row p{font-size:13.5px;color:var(--ink-2)}

/* ---------- 说句实在话 ---------- */
.mis-sec{padding:60px 0 10px}
.mis-quote{max-width:820px;margin:0 auto;font-family:var(--font-serif);font-size:19px;line-height:2.1;color:var(--brown-deep);border-left:3px solid var(--brown-soft);padding-left:26px}

/* ---------- 图文块 ---------- */
.pic-sec{padding:50px 0 10px}
.pic-in{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}
.pic-text h2{font-size:26px;margin:10px 0 16px}
.pic-text p{color:var(--ink-2);font-size:14.5px;line-height:2;margin-bottom:12px}
.pic-img img{width:100%;height:auto;border-radius:var(--r);border:1px solid var(--line-2)}

/* ---------- 更多问答 ---------- */
.faq2-sec{padding:40px 0 10px}
.faq2-sec .faq-list{margin-top:24px;display:grid;gap:14px}
.faq2-sec details{background:var(--card);border:1px solid var(--line-2);border-radius:var(--r);padding:18px 24px}
.faq2-sec summary{cursor:pointer;font-weight:600;color:var(--brown-deep);list-style:none}
.faq2-sec summary::-webkit-details-marker{display:none}
.faq2-sec summary::before{content:"Q";display:inline-block;width:22px;height:22px;line-height:22px;text-align:center;border-radius:50%;background:var(--brown-bg);color:#fff;font-size:12px;margin-right:10px}
.faq2-sec p{color:var(--ink-2);font-size:14.5px;line-height:1.9;margin:12px 0 0 32px}

/* ---------- 服务地区 ---------- */
.area-sec{padding:50px 0 70px}
.area-in{background:var(--paper);border:1px dashed var(--line);border-radius:var(--r);padding:34px 30px;text-align:center}
.area-in h3{font-size:18px;margin-bottom:12px}
.area-in p{font-size:13.5px;color:var(--ink-2);line-height:2;letter-spacing:.05em}

/* ---------- 资料清单 ---------- */
.docs-sec{padding:50px 0 10px}
.docs-list{margin-top:24px;display:grid;grid-template-columns:1fr 1fr;gap:10px;max-width:900px;list-style:none}
.docs-list li{background:var(--card);border:1px solid var(--line-2);border-radius:var(--r);padding:14px 20px;font-size:13.5px;color:var(--ink-2)}
.docs-list li::before{content:"·";color:var(--brown-soft);font-weight:700;margin-right:8px}

/* ---------- 流程小条 ---------- */
.mini-strip{padding:10px 0 70px}
.ms-in{text-align:center;font-size:14px;color:var(--ink-2)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .matrix-grid{grid-template-columns:1fr 1fr}
  .matrix-card:nth-child(odd){transform:none}
  .funnel-in,.tg-media-in{grid-template-columns:1fr}
  .rhythm-track{grid-template-columns:1fr;gap:26px}
  .rhythm-track::before{left:9px;right:auto;top:0;bottom:0;width:2px;height:auto}
  .sb-in{grid-template-columns:1fr 1fr}
  .more-grid{grid-template-columns:1fr 1fr}
  .pic-in{grid-template-columns:1fr}
  .budget-row{grid-template-columns:1fr;gap:10px}
  .budget-row:nth-child(even){transform:none}
}
@media (max-width:640px){
  .matrix-grid{grid-template-columns:1fr}
  .fn{flex-direction:column;gap:4px;text-align:center}
  .fn-1,.fn-2,.fn-3,.fn-4{width:100%}
  .wk-row{grid-template-columns:1fr;gap:6px}
  .more-grid{grid-template-columns:1fr}
}