/* ============================================================
   贞涴美 · 品牌官网 设计系统 v3（精修版 · 国际大牌调性）
   ============================================================ */
:root{
  --ink:#14110E;
  --ink-2:#26221C;
  --body:#4C453C;
  --muted:#8A8177;
  --bg:#FFFFFF;
  --paper:#F7F4EF;
  --paper-2:#FBF9F5;
  --line:#EBE5DB;
  --line-2:#E1D9CC;
  --dark:#14110D;
  --dark-2:#1C1813;
  --gold:#C6A268;
  --gold-2:#D8BE8C;
  --gold-d:#A9865A;
  --onDark:#F5F0E8;
  --onDarkMute:#A79D8D;
  --radius:20px;
  --radius-lg:26px;
  --shadow-sm:0 6px 20px rgba(20,17,14,.06);
  --shadow:0 22px 60px rgba(20,17,14,.10);
  --ring:0 0 0 4px rgba(198,162,104,.18);
  --maxw:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--body);background:var(--bg);line-height:1.75;font-size:16px;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;font-feature-settings:"kern" 1;
}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:rgba(198,162,104,.28)}

:focus-visible{outline:2px solid var(--gold-d);outline-offset:3px;border-radius:6px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:15px 32px;border-radius:999px;font-weight:600;font-size:14.5px;letter-spacing:.02em;line-height:1;
  transition:transform .28s cubic-bezier(.2,.7,.2,1), box-shadow .28s, background .28s, color .28s, border-color .28s;
  cursor:pointer;border:1px solid transparent;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:linear-gradient(180deg,#D2B47F,var(--gold));color:#1A150F;box-shadow:0 12px 30px rgba(198,162,104,.34)}
.btn-primary:hover{box-shadow:0 16px 40px rgba(198,162,104,.45)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#2C2822}
.btn-ghost{border-color:var(--line-2);color:var(--ink);background:#fff}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink)}
.btn-ghost-light{border-color:rgba(245,240,232,.34);color:var(--onDark);background:rgba(255,255,255,.03)}
.btn-ghost-light:hover{border-color:var(--gold);color:var(--gold)}

/* ---------- 导航 ---------- */
header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.78);
  backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid var(--line)}
nav{display:flex;align-items:center;justify-content:space-between;height:76px;gap:20px}
.logo{display:flex;align-items:center;flex-shrink:0}
.logo-img{height:33px;width:auto;display:block}
.navlinks{display:flex;gap:30px;font-size:14px;color:#6C665D;letter-spacing:.05em}
.navlinks a{position:relative;padding:6px 0;transition:color .2s}
.navlinks a:hover{color:var(--ink)}
.navlinks a.on{color:var(--ink);font-weight:700}
.navlinks a.on::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;border-radius:2px;background:var(--gold)}
.nav-cta{padding:11px 22px;font-size:13.5px}
@media(max-width:920px){.navlinks{display:none}}
@media(max-width:560px){.logo-img{height:27px}.nav-cta{padding:10px 18px}}

/* ---------- 眉题 / 标题 ---------- */
.eyebrow{font-size:11.5px;letter-spacing:.3em;text-transform:uppercase;color:var(--gold-d);font-weight:700;margin-bottom:18px}
.sec-head{text-align:center;max-width:720px;margin:0 auto 60px}
h2{font-size:clamp(27px,3.6vw,44px);color:var(--ink);font-weight:800;letter-spacing:-.01em;line-height:1.16;
  text-align:center;text-wrap:balance}
.lead{color:var(--muted);margin:18px auto 0;max-width:620px;font-size:16px;line-height:1.8;text-wrap:pretty}
.divider{width:52px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--gold-2),var(--gold));margin:0 auto 30px}

/* ---------- 首屏（深色 + 动态） ---------- */
.hero{position:relative;overflow:hidden;background:var(--dark);color:var(--onDark);
  padding:128px 0 140px;text-align:center;
  background-image:
    radial-gradient(58% 60% at 50% -12%, rgba(198,162,104,.24), transparent 70%),
    linear-gradient(180deg,#14110D 0%,#1B1712 100%)}
.hero .slogan{font-size:11.5px;letter-spacing:.32em;text-transform:uppercase;color:var(--gold);font-weight:700;margin-bottom:24px}
.hero h1{font-size:clamp(44px,7.4vw,86px);font-weight:800;letter-spacing:.05em;line-height:1.02;color:#fff;text-wrap:balance}
.hero h1 i{font-style:normal;font-size:.3em;vertical-align:super;color:var(--gold)}
.hero p.sub{margin:26px auto 40px;max-width:620px;color:var(--onDarkMute);font-size:clamp(15px,2.1vw,17.5px);line-height:1.85;text-wrap:pretty}
.hero .cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero .fact{margin-top:56px;font-size:12.5px;letter-spacing:.02em;color:#766C5D;max-width:760px;margin-left:auto;margin-right:auto;line-height:1.9}

/* 动态层 */
.hero-bg{position:absolute;inset:-25% -12%;z-index:0;pointer-events:none;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.hero-bg span{position:absolute;border-radius:50%;filter:blur(72px);opacity:.85;will-change:transform}
.hero-bg .b1{width:560px;height:560px;left:4%;top:-12%;background:radial-gradient(circle,rgba(198,162,104,.55),transparent 68%);animation:float1 20s ease-in-out infinite}
.hero-bg .b2{width:520px;height:520px;right:2%;top:6%;background:radial-gradient(circle,rgba(108,142,182,.26),transparent 68%);animation:float2 26s ease-in-out infinite}
.hero-bg .b3{width:680px;height:680px;left:32%;bottom:-38%;background:radial-gradient(circle,rgba(198,162,104,.30),transparent 68%);animation:float3 32s ease-in-out infinite}
@keyframes float1{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(5%,-6%) scale(1.12)}}
@keyframes float2{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-6%,5%) scale(.9)}}
@keyframes float3{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(4%,-4%) scale(1.08)}}
#hero-canvas{position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.75}
.hero .wrap{position:relative;z-index:2}
.rot-line{margin-top:24px;font-size:clamp(17px,2.8vw,27px);font-weight:700;color:var(--onDark);letter-spacing:.02em}
.rot{display:inline-block;font-weight:800;
  background:linear-gradient(100deg,#EBD6A8,#C6A268,#F3E3BE,#C6A268);background-size:220% auto;
  -webkit-background-clip:text;background-clip:text;color:transparent;animation:shimmer 5s linear infinite;
  transition:opacity .45s ease, transform .45s ease}
.rot.out{opacity:0;transform:translateY(12px)}
@keyframes shimmer{to{background-position:220% center}}
.scroll-cue{position:absolute;left:50%;bottom:28px;transform:translateX(-50%);z-index:2;
  color:var(--onDarkMute);font-size:10.5px;letter-spacing:.3em;text-transform:uppercase;
  display:flex;flex-direction:column;align-items:center;gap:9px}
.scroll-cue .bar{width:1px;height:42px;background:linear-gradient(var(--gold),transparent);animation:cue 1.9s ease-in-out infinite}
@keyframes cue{0%,100%{opacity:.25;transform:scaleY(.55)}50%{opacity:1;transform:scaleY(1)}}

/* ---------- 子页 hero ---------- */
.page-hero{padding:92px 0 52px;text-align:center;background:
  radial-gradient(70% 100% at 50% 0%, #FBF8F3 0%, #FFFFFF 72%)}
.page-hero h1{font-size:clamp(32px,4.8vw,58px);font-weight:800;letter-spacing:-.005em;color:var(--ink);line-height:1.08;text-wrap:balance}
.page-hero p{color:var(--body);margin:20px auto 0;max-width:640px;font-size:16.5px;line-height:1.85}
.crumb{font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);text-align:center;padding-top:24px}
.crumb a{color:var(--muted);transition:color .2s}
.crumb a:hover{color:var(--gold-d)}

/* ---------- 区块 ---------- */
section{padding:104px 0}
section.tight{padding:68px 0}
@media(max-width:760px){section{padding:68px 0}section.tight{padding:48px 0}}

/* ---------- 网格 & 卡片 ---------- */
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.four{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media(max-width:920px){.four{grid-template-columns:1fr 1fr}}
@media(max-width:860px){.three{grid-template-columns:1fr}}
@media(max-width:560px){.four{grid-template-columns:1fr}}
.card,.mini{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:36px 32px;transition:transform .35s cubic-bezier(.2,.7,.2,1), box-shadow .35s, border-color .35s}
.card::before,.mini::before{content:"";position:absolute;left:32px;right:32px;top:0;height:2px;border-radius:0 0 3px 3px;
  background:linear-gradient(90deg,var(--gold-2),var(--gold));opacity:0;transition:opacity .35s}
.card:hover,.mini:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--line-2)}
.card:hover::before,.mini:hover::before{opacity:1}
.card .emoji,.mini .emoji{width:48px;height:48px;border-radius:14px;background:var(--paper);
  display:flex;align-items:center;justify-content:center;font-size:23px;line-height:1;box-shadow:inset 0 0 0 1px var(--line)}
.card h3,.mini h3{color:var(--ink);font-size:18.5px;margin:18px 0 9px;font-weight:700;letter-spacing:.005em}
.card p,.mini p{color:var(--body);font-size:14.5px;line-height:1.8}
.mini{padding:30px 26px}
.mini .n{display:inline-block;font-size:11px;letter-spacing:.22em;font-weight:800;color:var(--gold-d);
  background:var(--paper);border-radius:999px;padding:4px 11px}
.mini h3{font-size:16.5px;margin-top:14px}
.card .go{display:inline-flex;align-items:center;gap:7px;margin-top:20px;color:var(--gold-d);font-weight:700;font-size:13.5px;letter-spacing:.03em;transition:gap .25s}
.card:hover .go{gap:12px}

/* ---------- who ---------- */
.who{background:linear-gradient(180deg,var(--paper-2),var(--paper))}
.who ul{max-width:840px;margin:0 auto;list-style:none;border-top:1px solid var(--line)}
.who li{padding:24px 4px;border-bottom:1px solid var(--line);display:flex;gap:24px;align-items:baseline}
.who li:last-child{border-bottom:0}
.who b{color:var(--ink);min-width:132px;font-weight:700;font-size:15px;letter-spacing:.02em;position:relative;padding-left:18px}
.who b::before{content:"";position:absolute;left:0;top:.55em;width:7px;height:7px;border-radius:50%;background:var(--gold)}
.who li span{color:var(--body);font-size:15px;line-height:1.8}
@media(max-width:560px){.who li{flex-direction:column;gap:8px}}

/* ---------- 套餐 ---------- */
.pkgs{display:grid;grid-template-columns:1fr 1fr;gap:26px}
@media(max-width:780px){.pkgs{grid-template-columns:1fr}}
.pkg{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:44px 40px;transition:transform .35s cubic-bezier(.2,.7,.2,1), box-shadow .35s, border-color .35s}
.pkg:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.pkg.hot{border-color:var(--gold);background:linear-gradient(180deg,#FFFDF8,#fff)}
.pkg.hot::after{content:"推荐";position:absolute;top:22px;right:22px;font-size:11px;letter-spacing:.14em;
  font-weight:800;color:#1A150F;background:var(--gold);border-radius:999px;padding:5px 12px}
.pkg .tag{display:inline-block;background:var(--paper);color:var(--ink);border-radius:999px;padding:6px 15px;
  font-size:11.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;margin-bottom:20px}
.pkg.hot .tag{background:rgba(198,162,104,.16);color:var(--gold-d)}
.pkg h3{color:var(--ink);font-size:23px;margin-bottom:7px;font-weight:800;letter-spacing:-.005em}
.pkg .lvl{color:var(--muted);font-size:13.5px;margin-bottom:22px}
.pkg .price{font-size:56px;font-weight:800;color:var(--ink);line-height:1;letter-spacing:-.03em;display:flex;align-items:baseline;gap:6px}
.pkg .price small{font-size:15px;font-weight:600;color:var(--muted);letter-spacing:0}
.pkg .opts{list-style:none;margin-top:26px;border-top:1px solid var(--line);padding-top:8px}
.pkg .opts li{padding:14px 0;border-bottom:1px solid var(--line);color:var(--body);font-size:14.5px;display:flex;gap:14px}
.pkg .opts li:last-child{border-bottom:0}
.pkg .opts .k{color:var(--gold-d);font-weight:800;min-width:14px}
.note{text-align:center;color:var(--muted);font-size:13px;margin-top:26px}

/* ---------- 对比表 ---------- */
.cmp{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.cmp th,.cmp td{padding:19px 24px;text-align:left;border-bottom:1px solid var(--line);font-size:14.5px;line-height:1.7}
.cmp th{background:var(--ink);color:#fff;font-weight:600;letter-spacing:.05em;font-size:13.5px}
.cmp th:nth-child(3){color:var(--gold-2)}
.cmp td:nth-child(1){color:var(--ink);font-weight:600}
.cmp td:nth-child(2){color:var(--muted)}
.cmp td:nth-child(3){color:var(--ink);font-weight:600}
.cmp tr:last-child td{border-bottom:0}
.cmp tbody tr{transition:background .2s}
.cmp tr:hover td{background:#FCFBF8}
@media(max-width:700px){.cmp th,.cmp td{padding:13px 14px;font-size:13px}}
.why-close{margin-top:28px;background:linear-gradient(180deg,var(--paper-2),var(--paper));
  border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:16px;
  padding:26px 30px;color:var(--ink);font-size:15.5px;line-height:1.85;box-shadow:var(--shadow-sm)}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 26px;text-align:center;transition:transform .35s,box-shadow .35s}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.step .n{width:42px;height:42px;line-height:42px;border-radius:50%;background:var(--ink);color:var(--gold-2);
  font-weight:800;margin:0 auto 18px;font-size:15px;box-shadow:0 8px 20px rgba(20,17,14,.18)}
.step h3{color:var(--ink);font-size:16.5px;margin-bottom:8px;font-weight:700}
.step p{color:var(--body);font-size:13.5px;line-height:1.75}
@media(max-width:860px){.steps{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}

/* ---------- 通用表 ---------- */
.tbl{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.tbl th,.tbl td{padding:17px 22px;text-align:left;border-bottom:1px solid var(--line);font-size:14.5px}
.tbl th{background:var(--paper);color:var(--ink);font-weight:700;letter-spacing:.04em;font-size:13.5px}
.tbl td:first-child{color:var(--ink);font-weight:600}
.tbl tr:last-child td{border-bottom:0}

/* ---------- 表单 ---------- */
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:44px;
  max-width:600px;margin:0 auto;box-shadow:var(--shadow)}
.field{margin-bottom:19px}
.field label{display:block;font-size:13.5px;color:var(--ink);font-weight:600;margin-bottom:9px;letter-spacing:.02em}
.field input,.field select,.field textarea{width:100%;padding:15px 16px;border:1px solid var(--line-2);border-radius:13px;
  font-size:15px;font-family:inherit;background:#FCFBF9;color:var(--ink);transition:border-color .22s,box-shadow .22s,background .22s}
.field input::placeholder,.field textarea::placeholder{color:#B6AC9E}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--gold);background:#fff;box-shadow:var(--ring)}
.form .req{color:#C0392B}
.form button{width:100%;border:0;cursor:pointer;margin-top:10px}
.form small{display:block;color:var(--muted);font-size:12.5px;margin-top:16px;text-align:center}
@media(max-width:560px){.form{padding:28px 22px}}

/* ---------- CTA 深色带 ---------- */
.band{position:relative;overflow:hidden;background:var(--dark);color:var(--onDark);
  border-radius:var(--radius-lg);padding:80px 44px;text-align:center;box-shadow:var(--shadow);
  background-image:radial-gradient(70% 130% at 50% 0%, rgba(198,162,104,.22), transparent 70%)}
.band::before{content:"";position:absolute;inset:0;border-radius:inherit;
  background:linear-gradient(180deg,rgba(255,255,255,.05),transparent 40%);pointer-events:none}
.band h2{color:#fff}
.band p{color:var(--onDarkMute);margin:18px auto 34px;max-width:600px;font-size:16px;line-height:1.85}
@media(max-width:560px){.band{padding:56px 26px}}

/* ---------- 页脚 ---------- */
footer{background:var(--dark);color:var(--onDarkMute);padding:72px 0 40px;font-size:13.5px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.08)}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr;gap:30px}}
.foot-brand{color:var(--onDark);font-weight:800;letter-spacing:.26em;font-size:20px;margin-bottom:12px}
.foot-brand i{font-style:normal;font-size:11px;vertical-align:super;color:var(--gold)}
.foot-tag{color:var(--onDarkMute);font-size:13.5px;letter-spacing:.06em}
.foot-h{color:var(--onDark);font-weight:700;font-size:13.5px;letter-spacing:.1em;margin-bottom:16px;text-transform:uppercase}
.foot-col a,.foot-col div{display:block;color:var(--onDarkMute);margin:9px 0;transition:color .2s;font-size:13.5px}
.foot-col a:hover{color:var(--gold)}
.foot-bottom{display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:center;padding-top:28px;font-size:12.5px;text-align:center}
.foot-bottom a{color:var(--gold)}
footer .row{margin:8px 0}

/* ---------- 滚动进场 ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .85s cubic-bezier(.2,.7,.2,1),transform .85s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .hero-bg span,.scroll-cue .bar,.rot{animation:none}
  #hero-canvas{display:none}
}