/* 品牌色（暖橘调）—— 依据 Cynthia 实操营海报实测配色
   视觉锚点 #DB8C5C（H≈23° S≈58%）· 背景 #FBF1EA / #F8EAE0
   暖金 #F8CB77 / #EFD49B · 深色 #613729
   原深绿 #1F5C4A（H=160°）与品牌色系相反，已整体替换。
   ⚠️ 全站颜色只在这里定义，改配色只改这一处。 */
:root{
  --clay:#7A3E28;          /* 品牌深色：标题 / 深色块 / 页脚 */
  --clay-deep:#5C2C1B;     /* 更深（页脚 / hover） */
  --clay-light:#FAEDE4;    /* 浅暖底 */
  --orange:#B85F30;        /* 主按钮（白字对比 ≈4.5:1） */
  --orange-deep:#9E4F26;   /* 按钮 hover */
  --orange-bright:#E08A57; /* 装饰点缀：圆点 / 数字 / 强调 */
  --sun:#E8C48E;           /* 暖金 CTA */
  --sun-light:#FBF2E4;
  --bg:#FDF8F3;
  --card:#FFFFFF;
  --text:#3A2E28;
  --muted:#7D6B5D;
  --line:#F0E5DA;
  --radius:14px;
  --max:1080px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  background:var(--bg);color:var(--text);line-height:1.9;font-size:16.5px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--clay);text-decoration:none}
a:hover{opacity:.82}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}

header.site{
  position:sticky;top:0;z-index:50;background:rgba(250,248,244,.95);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:17px;color:var(--clay-deep)}
.brand img{height:34px;width:auto}
.nav-links{display:flex;gap:26px;font-size:15px}
.nav-links a{color:var(--text);opacity:.86}
.nav-links a:hover{color:var(--clay);opacity:1}
.btn{
  display:inline-block;padding:11px 22px;border-radius:999px;font-size:15px;
  background:var(--clay);color:#fff;font-weight:500;transition:.2s;border:1px solid var(--clay);
}
.btn:hover{background:var(--clay-deep);opacity:1}
.btn.ghost{background:transparent;color:var(--clay)}
.btn.ghost:hover{background:var(--clay-light)}
.btn.gold{background:var(--sun);border-color:var(--sun);color:#3A2E14}
.btn.gold:hover{background:#B99A5B}
.btn.small{padding:8px 16px;font-size:14px}

.hero{padding:72px 0 56px;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero h1{font-size:34px;line-height:1.5;color:var(--clay-deep);font-weight:600;margin-bottom:20px}
.hero .lead{font-size:17.5px;color:var(--muted);margin-bottom:14px}
.hero .cta-row{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.hero .photo{border-radius:var(--radius);overflow:hidden;box-shadow:0 6px 24px rgba(20,63,51,.10)}
.eyebrow{display:inline-block;font-size:14px;color:var(--clay);background:var(--clay-light);
  padding:5px 14px;border-radius:999px;margin-bottom:18px;font-weight:500}

section{padding:64px 0}
section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2{font-size:26px;color:var(--clay-deep);font-weight:600;margin-bottom:14px;line-height:1.5}
h3{font-size:18.5px;color:var(--clay-deep);font-weight:600;margin-bottom:8px}
.section-lead{color:var(--muted);font-size:16.5px;max-width:720px;margin-bottom:38px}
p{margin-bottom:16px}
ul.plain{list-style:none}
ul.plain li{position:relative;padding-left:20px;margin-bottom:10px;color:var(--muted)}
ul.plain li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;background:var(--sun)}

.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:28px}
.card h3{margin-bottom:10px}
.card p{color:var(--muted);font-size:15.5px;margin-bottom:0}
.card .num{font-size:13px;color:var(--sun);font-weight:600;letter-spacing:.08em;margin-bottom:10px;display:block}
.card.hi{border-color:var(--clay);box-shadow:0 4px 18px rgba(20,63,51,.07)}

.steps{counter-reset:step}
.steps .card{position:relative}
.steps .card::before{
  counter-increment:step;content:counter(step);
  position:absolute;top:-16px;left:26px;width:34px;height:34px;border-radius:50%;
  background:var(--clay);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:600;
}

.price{font-size:30px;color:var(--clay-deep);font-weight:600;margin:6px 0 4px}
.price small{font-size:15px;color:var(--muted);font-weight:400}
.tag{display:inline-block;font-size:13px;padding:3px 11px;border-radius:999px;background:var(--sun-light);color:#7A5F26;margin-bottom:12px}

.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{font-size:17px;font-weight:500;color:var(--clay-deep);cursor:pointer;list-style:none;position:relative;padding-right:28px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:0;color:var(--sun);font-size:20px;line-height:1.4}
.faq details[open] summary::after{content:"–"}
.faq details p{margin-top:12px;color:var(--muted);font-size:15.5px}

.band{background:var(--clay);color:#fff;border-radius:var(--radius);padding:44px 40px;display:grid;grid-template-columns:1.4fr .6fr;gap:32px;align-items:center}
.band h2{color:#fff;margin-bottom:10px}
.band p{color:rgba(255,255,255,.86);margin-bottom:0}

.qr-box{text-align:center}
.qr-box img{width:200px;margin:0 auto 12px;border:1px solid var(--line);border-radius:10px;padding:8px;background:#fff}
.qr-box p{font-size:14px;color:var(--muted);margin:0}

.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.form label{display:block;font-size:15px;font-weight:500;margin:16px 0 6px;color:var(--clay-deep)}
.form input,.form select,.form textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;
  font-size:15.5px;font-family:inherit;background:var(--bg);color:var(--text);
}
.form input:focus,.form select:focus{outline:none;border-color:var(--clay)}
.form .note{font-size:13.5px;color:var(--muted);margin-top:16px;line-height:1.7}

footer.site{background:var(--clay-deep);color:rgba(255,255,255,.78);padding:52px 0 32px;font-size:15px}
footer.site a{color:rgba(255,255,255,.9)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;margin-bottom:32px}
.foot-grid h4{color:#fff;font-size:16px;margin-bottom:14px;font-weight:600}
.foot-grid ul{list-style:none}
.foot-grid li{margin-bottom:8px}
.copyright{border-top:1px solid rgba(255,255,255,.15);padding-top:22px;font-size:13.5px;color:rgba(255,255,255,.6)}

.page-head{padding:56px 0 8px}
.page-head h1{font-size:30px;color:var(--clay-deep);font-weight:600;margin-bottom:12px}
.page-head .lead{color:var(--muted);font-size:17px;max-width:760px}

@media (max-width:860px){
  .hero{grid-template-columns:1fr;padding:44px 0 36px;gap:32px}
  .hero h1{font-size:27px}
  .grid.c2,.grid.c3,.grid.c4{grid-template-columns:1fr}
  .band{grid-template-columns:1fr;padding:32px 26px}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .nav-links{display:none}
  section{padding:48px 0}
  h2{font-size:22px}
}

/* ===== 2026-09-18 新增：栏目与内页组件 ===== */
.nav-links{display:flex;gap:20px;font-size:14.5px}
.crumb{font-size:13.5px;color:var(--muted);margin-bottom:20px}
.crumb a{color:var(--muted)}
.answer{background:var(--clay-light);border-left:4px solid var(--clay);border-radius:10px;padding:22px 26px;margin:0 0 30px}
.answer p{margin-bottom:0;color:var(--text)}
.answer strong{color:var(--clay-deep)}
.prose h2{font-size:22px;margin:36px 0 12px}
.prose h3{font-size:18px;margin:26px 0 10px}
.prose ul{margin:0 0 18px 22px}
.prose li{margin-bottom:9px;color:var(--muted)}
.prose table{width:100%;border-collapse:collapse;margin:0 0 22px;font-size:15.5px}
.prose th,.prose td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.prose th{background:var(--clay-light);color:var(--clay-deep);font-weight:600}
.byline{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-top:38px}
.byline img{width:64px;height:64px;border-radius:50%;object-fit:cover;flex:0 0 64px}
.byline p{font-size:15px;color:var(--muted);margin:0}
.byline strong{display:block;color:var(--clay-deep);font-size:16px;margin-bottom:6px;font-weight:600}
.video-ph{background:var(--clay-deep);border-radius:var(--radius);padding:0;aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.75);font-size:15px;margin-bottom:30px;text-align:center;padding:0 20px}
.qlist{list-style:none}
.qlist li{border-bottom:1px solid var(--line);padding:18px 0}
.qlist li a{font-size:16.5px;color:var(--clay-deep);font-weight:500}
.qlist li span{display:block;font-size:14.5px;color:var(--muted);margin-top:5px}
.story-note{background:var(--sun-light);border-radius:10px;padding:18px 22px;font-size:14.5px;color:#7A5F26;margin-bottom:30px}
.timeline{list-style:none;counter-reset:tl;margin:0 0 26px}
.timeline li{position:relative;padding-left:40px;margin-bottom:20px;color:var(--muted)}
.timeline li::before{counter-increment:tl;content:counter(tl);position:absolute;left:0;top:1px;width:26px;height:26px;border-radius:50%;background:var(--clay);color:#fff;font-size:13px;display:flex;align-items:center;justify-content:center;font-weight:600}
.next-links{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:22px}
@media (max-width:860px){.next-links{grid-template-columns:1fr}}

/* ===== 品牌色组件微调（颜色定义在上方 :root） ===== */
header.site{background:rgba(253,248,243,.95)}
.btn{background:var(--orange);border-color:var(--orange)}
.btn:hover{background:var(--orange-deep)}
.btn.ghost{color:var(--orange)}
.btn.ghost:hover{background:var(--clay-light)}
.btn.gold{background:var(--sun);border-color:var(--sun);color:#4A2A14}
.btn.gold:hover{background:#DCB277}
.eyebrow{color:#9E4F26;background:var(--clay-light)}
.card .num{color:var(--orange-bright)}
ul.plain li::before{background:var(--orange-bright)}
.faq summary::after{color:var(--orange)}
.tag{background:var(--sun-light);color:#8A5A22}
.card.hi{border-color:var(--orange);box-shadow:0 6px 20px rgba(184,95,48,.12)}
.hero .photo{box-shadow:0 8px 28px rgba(122,62,40,.14)}
.band{background:var(--clay)}
.answer{background:var(--clay-light);border-left-color:var(--orange-bright)}
.video-ph{background:var(--clay-deep)}
.story-note{background:var(--sun-light);color:#7A4E1C}