/* ===========================================================
   Velvet Mel Hair — 单文件样式表（无外部依赖，国内打开也快）
   品牌色改这里即可：--velvet 主色 / --gold 金色点缀
   =========================================================== */
:root{
  --velvet:#4a1533;
  --velvet-2:#6d2249;
  --gold:#c9a45c;
  --gold-soft:#e6d3ab;
  --ink:#1d1519;
  --muted:#6f636c;
  --cream:#fdf9f6;
  --line:#eadfd9;
  --white:#fff;
  --wa:#25d366;
  --radius:14px;
  --shadow:0 10px 30px rgba(74,21,51,.08);
  --wrap:1120px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--cream);color:var(--ink);
  font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--velvet-2);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:Georgia,"Times New Roman",serif;line-height:1.2;margin:0 0 .5em;font-weight:600}
h1{font-size:clamp(2rem,5vw,3.35rem)}
h2{font-size:clamp(1.5rem,3.2vw,2.15rem)}
h3{font-size:1.15rem}
p{margin:0 0 1em}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
.narrow{max-width:820px}
.center{text-align:center}
.muted{color:var(--muted)}
.small{font-size:.875rem}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:99;border-radius:8px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 22px;border-radius:999px;border:1px solid transparent;
  font-weight:600;font-size:.95rem;cursor:pointer;text-align:center;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-sm{padding:9px 16px;font-size:.875rem}
.btn-block{width:100%}
.btn-primary{background:var(--velvet);color:#fff;box-shadow:0 6px 18px rgba(74,21,51,.22)}
.btn-primary:hover{background:var(--velvet-2)}
.btn-ghost{background:transparent;color:var(--velvet);border-color:var(--velvet)}
.btn-ghost-dark{background:#fff;color:var(--velvet);border-color:var(--line)}
.btn-outline{background:#fff;color:var(--velvet);border-color:var(--gold)}
.btn-outline:hover{background:var(--gold-soft)}
.btn-wa{background:var(--wa);color:#04240f}
.btn-wa:hover{background:#1fbe5a}
.wa-ico{width:14px;height:14px;border-radius:50%;background:#04240f;opacity:.85;display:inline-block}

/* ---------- top bar ---------- */
.topbar{background:var(--velvet);color:var(--gold-soft);font-size:.8rem;letter-spacing:.02em}
.topbar-in{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;padding:9px 20px}
.topbar .dot{opacity:.5}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:40;background:rgba(253,249,246,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;gap:20px;padding:12px 20px}
.brand{flex:0 0 auto;display:flex;align-items:center}
.brand img{width:168px;height:auto}
.nav{display:flex;gap:22px;margin-left:auto;font-size:.95rem;font-weight:500}
.nav a{color:var(--ink)}
.nav a:hover{color:var(--velvet-2)}

/* ---------- hero ---------- */
.hero{background:
   radial-gradient(900px 420px at 88% -10%,rgba(201,164,92,.22),transparent 60%),
   linear-gradient(180deg,#fff,var(--cream));}
.hero-in{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center;padding:56px 20px 64px}
.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:.72rem;font-weight:700;color:var(--velvet-2);margin-bottom:14px}
.hero h1 em{font-style:italic;color:var(--velvet-2);border-bottom:3px solid var(--gold);padding-bottom:2px}
.lead{font-size:1.05rem;color:#463a41;max-width:56ch}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0 18px}
.hero-points{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px 22px;font-size:.88rem;color:var(--muted)}
.hero-points li::before{content:"✓";color:var(--wa);font-weight:700;margin-right:6px}
.hero-art img{border-radius:20px;box-shadow:var(--shadow)}

/* ---------- trust ---------- */
.trust{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-in{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:22px 20px;text-align:center}
.trust-in strong{display:block;font-family:Georgia,serif;font-size:1.3rem;color:var(--velvet)}
.trust-in span{font-size:.82rem;color:var(--muted)}

/* ---------- sections ---------- */
.section{padding:72px 0}
.section-alt{background:var(--white)}
.section-dark{background:var(--velvet);color:#f6eef2}
.section-dark h2,.section-dark h3{color:#fff}
.section-dark .lead,.section-dark .muted{color:#d9c4ce}
.section-dark a{color:var(--gold-soft)}
.sec-head{max-width:640px;margin-bottom:38px}
.sec-head p{color:var(--muted)}

.grid{display:grid;gap:24px}
.cards{grid-template-columns:repeat(3,1fr)}
.feats{grid-template-columns:repeat(4,1fr)}
.quotes{grid-template-columns:repeat(3,1fr)}

/* ---------- product cards ---------- */
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card-media{aspect-ratio:4/5;background:#f3ece7;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:6px;flex:1}
.card-body h3{margin:0}
.card-body .muted{font-size:.88rem;margin:0}
.price{margin:6px 0 12px;font-size:1rem}
.price strong{font-family:Georgia,serif;font-size:1.2rem;color:var(--velvet)}
.card-body .btn{margin-top:auto}

.feat{background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.feat h3{color:var(--velvet)}
.feat p{margin:0;font-size:.92rem;color:var(--muted)}

.quotes blockquote{margin:0;background:var(--cream);border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:var(--radius);padding:22px}
.quotes p{font-style:italic}
.quotes cite{font-style:normal;font-size:.85rem;color:var(--muted)}

/* ---------- steps ---------- */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:s}
.steps li{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.steps .num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--velvet);color:#fff;font-family:Georgia,serif;margin-bottom:12px}
.steps h3{font-size:1.05rem}
.steps p{margin:0;font-size:.92rem;color:var(--muted)}

/* ---------- faq ---------- */
details{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px;margin-bottom:12px}
details[open]{box-shadow:var(--shadow)}
summary{cursor:pointer;font-weight:600;font-family:Georgia,serif;font-size:1.03rem}
summary::marker{color:var(--gold)}
details p{margin:12px 0 0;color:var(--muted);font-size:.95rem}

/* ---------- contact ---------- */
.contact-in{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-list{list-style:none;margin:0 0 20px;padding:0;display:grid;gap:14px}
.contact-list li{display:flex;gap:12px;align-items:center}
.contact-list .ci{width:38px;height:38px;flex:0 0 38px;display:grid;place-items:center;background:rgba(255,255,255,.1);border-radius:10px}
.contact-list small{display:block;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;opacity:.7}
.contact-list a{font-weight:600}
.contact-form{background:var(--white);color:var(--ink);border-radius:18px;padding:26px;box-shadow:0 20px 50px rgba(0,0,0,.2)}
.contact-form h3{margin-top:0}
.field{margin-bottom:14px}
.field label{display:block;font-size:.85rem;font-weight:600;margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;
  font:inherit;font-size:.95rem;background:#fdfbfa;color:var(--ink);
}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--gold);border-color:var(--gold)}
textarea{resize:vertical}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.form-note{margin:10px 0 4px;font-size:.88rem;min-height:1.1em}
.form-note.ok{color:#1a7a42}
.form-note.err{color:#b3261e}

/* ---------- footer ---------- */
.site-footer{background:#2c0d20;color:#cbb6c1;padding:52px 0 24px;font-size:.92rem}
.site-footer a{color:#e8d7de}
.footer-in{display:grid;grid-template-columns:1.1fr 1.4fr;gap:36px}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.footer-links h4{color:#fff;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;font-family:inherit}
.footer-links a{display:block;margin-bottom:8px}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:18px}

/* ---------- mobile cta + cookie ---------- */
.mobile-cta{display:none}
.cookie{position:fixed;left:16px;right:16px;bottom:16px;z-index:60;background:#fff;border:1px solid var(--line);
  border-radius:14px;box-shadow:0 16px 40px rgba(0,0,0,.16);padding:14px 16px;display:flex;gap:14px;align-items:center;justify-content:space-between;flex-wrap:wrap;max-width:760px;margin:0 auto}
.cookie p{margin:0;font-size:.85rem}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .hero-in{grid-template-columns:1fr;gap:28px;padding-top:38px}
  .hero-art{order:-1}
  .cards,.feats,.quotes,.steps{grid-template-columns:repeat(2,1fr)}
  .contact-in{grid-template-columns:1fr;gap:32px}
  .footer-in{grid-template-columns:1fr}
  .nav{display:none}
}
@media (max-width:620px){
  .section{padding:52px 0}
  .trust-in{grid-template-columns:repeat(2,1fr)}
  .cards,.feats,.quotes,.steps,.footer-links{grid-template-columns:1fr}
  .header-in{gap:12px}
  .brand img{width:140px}
  /* 小屏上分隔点会在换行后变成行尾孤零零的一个点，直接隐藏 */
  .topbar .dot{display:none}
  /* 首屏：把大图裁矮，保证标题和按钮在手机第一屏就能看到 */
  .hero-art img{aspect-ratio:4/3;object-fit:cover;max-height:36vh}
  .hero-in{padding-top:26px}
  .hero h1{font-size:1.85rem}
  body{padding-bottom:74px}          /* 给底部悬浮条留位置 */
  .mobile-cta{
    display:flex;gap:10px;position:fixed;left:0;right:0;bottom:0;z-index:50;
    background:rgba(253,249,246,.97);border-top:1px solid var(--line);
    padding:10px 14px;backdrop-filter:blur(8px);
  }
  .mobile-cta .btn{flex:1;padding:12px 10px;font-size:.9rem}
  .cookie{bottom:78px}
}
/* ---------- policy pages (prose) ---------- */
.prose h1{margin-bottom:6px}
.prose h2{font-size:1.22rem;margin:34px 0 10px;color:var(--velvet)}
.prose ul,.prose ol{padding-left:22px;color:#463a41}
.prose li{margin-bottom:7px}
.prose table{width:100%;border-collapse:collapse;margin:14px 0;font-size:.92rem;background:#fff}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.prose th{background:var(--velvet);color:#fff;font-weight:600}
.prose em{color:var(--muted)}

@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}