/* ============================================================
   明公子 MING GONG ZI — 品牌站样式
   基调：近黑底 / 暖白字 / 极细线 / 大留白 / 衬线大标题
   ============================================================ */

:root{
  --ink:        #08090A;
  --ink-2:      #0C0E11;
  --ink-3:      #12151A;
  --paper:      #F3F1EC;
  --paper-dim:  #D9D6CE;
  --muted:      rgba(243,241,236,.74);
  --muted-2:    rgba(243,241,236,.52);
  --line:       rgba(243,241,236,.13);
  --line-soft:  rgba(243,241,236,.07);
  --blue:       #3C74E8;
  --gold:       #C9A46A;

  --serif: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
          "Microsoft YaHei", "Noto Sans SC", Inter, system-ui, sans-serif;

  --pad: clamp(20px, 5vw, 72px);
  --maxw: 1240px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }

body{
  margin:0;
  background:var(--ink);
  color:var(--paper);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.012em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

img{ display:block; max-width:100%; height:auto; }
picture{ display:block; }
a{ color:inherit; text-decoration:none; }
ul,ol{ margin:0; padding:0; list-style:none; }
h1,h2,h3,p,figure{ margin:0; }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }

::selection{ background:rgba(60,116,232,.35); color:#fff; }

.wrap{ width:100%; max-width:var(--maxw); margin:0 auto; padding-inline:var(--pad); }

/* ---------------- 排版 ---------------- */
.display{
  font-family:var(--serif);
  font-weight:600;
  font-size:clamp(30px, 4.4vw, 58px);
  line-height:1.22;
  letter-spacing:.01em;
  color:var(--paper);
}

.eyebrow{
  font-family:var(--sans);
  font-size:11px;
  font-weight:600;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:rgba(243,241,236,.58);
  margin-bottom:22px;
}

.section-note{
  font-size:14.5px;
  line-height:1.85;
  color:var(--muted);
  max-width:34ch;
}
.section-note.center{ margin:22px auto 0; text-align:center; max-width:52ch; }

.price{
  font-family:var(--serif);
  font-size:19px;
  letter-spacing:.02em;
  color:var(--paper-dim);
  margin-top:20px;
}

/* ---------------- 按钮 ---------------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  min-height:52px; padding:0 32px;
  font-size:14.5px; letter-spacing:.06em;
  border:1px solid transparent;
  transition:background .4s var(--ease), color .4s var(--ease),
             border-color .4s var(--ease), transform .4s var(--ease);
  white-space:nowrap;
}
.btn-solid{ background:var(--paper); color:#0A0B0D; }
.btn-solid:hover{ background:#fff; transform:translateY(-2px); }
.btn-ghost{ border-color:rgba(243,241,236,.28); color:var(--paper); }
.btn-ghost:hover{ border-color:var(--paper); background:rgba(243,241,236,.06); transform:translateY(-2px); }

.link-arrow{
  display:inline-flex; align-items:center; gap:8px;
  font-size:14px; color:var(--paper);
  border-bottom:1px solid rgba(243,241,236,.3);
  padding-bottom:4px;
  transition:gap .35s var(--ease), border-color .35s var(--ease);
}
.link-arrow:hover{ gap:14px; border-color:var(--paper); }

/* ---------------- 头部 ---------------- */
.site-header{
  position:fixed; inset:0 0 auto 0; z-index:100;
  transition:background .45s var(--ease), backdrop-filter .45s var(--ease),
             border-color .45s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(8,9,10,.82);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom-color:var(--line-soft);
}
.header-inner{
  display:flex; align-items:center; gap:clamp(16px,3vw,48px);
  height:76px;
}

.brand{ display:flex; align-items:center; gap:12px; flex-shrink:0; }
.brand-mark{ width:30px; height:30px; color:var(--blue); flex-shrink:0; }
.brand-text{ display:flex; flex-direction:column; line-height:1.1; }
.brand-text b{ font-size:16px; font-weight:600; letter-spacing:.14em; }
.brand-text i{
  font-style:normal; font-size:8.5px; letter-spacing:.3em;
  color:var(--muted-2); margin-top:5px;
}

.nav{ display:flex; align-items:center; gap:clamp(14px,2.2vw,34px); margin-left:auto; }
.nav a{
  position:relative; font-size:13.5px; color:rgba(243,241,236,.82);
  letter-spacing:.06em; padding:6px 0;
  transition:color .35s var(--ease);
}
.nav a::after{
  content:""; position:absolute; left:0; right:100%; bottom:0; height:1px;
  background:var(--paper); transition:right .4s var(--ease);
}
.nav a:hover{ color:var(--paper); }
.nav a:hover::after{ right:0; }

.header-cta{
  margin-left:clamp(10px,2vw,28px);
  font-size:13px; letter-spacing:.08em;
  padding:10px 20px; border:1px solid rgba(243,241,236,.24);
  transition:background .4s var(--ease), border-color .4s var(--ease), color .4s var(--ease);
  flex-shrink:0;
}
.header-cta:hover{ background:var(--paper); color:#0A0B0D; border-color:var(--paper); }

.menu-btn{ display:none; width:42px; height:42px; margin-left:auto; position:relative; }
.menu-btn span{
  position:absolute; left:11px; right:11px; height:1.5px; background:var(--paper);
  transition:transform .4s var(--ease), opacity .3s var(--ease);
}
.menu-btn span:first-child{ top:17px; }
.menu-btn span:last-child{ top:25px; }
.menu-btn.open span:first-child{ transform:translateY(4px) rotate(45deg); }
.menu-btn.open span:last-child{ transform:translateY(-4px) rotate(-45deg); }

/* ---------------- 首屏 ---------------- */
.hero{
  position:relative; min-height:100svh;
  display:flex; align-items:flex-end;
  padding:140px 0 clamp(48px,7vh,88px);
  overflow:hidden;
  isolation:isolate;
}
.hero-media{ position:absolute; inset:0; z-index:-2; }
.hero-media img{
  width:100%; height:100%; object-fit:cover; object-position:62% 58%;
  transform:scale(1.06);
  filter:brightness(1.24) contrast(1.12) saturate(1.04);
  animation:heroIn 2.4s var(--ease) forwards;
}
@keyframes heroIn{ to{ transform:scale(1); } }

.hero-veil{
  position:absolute; inset:0; z-index:-1;
  background:
    radial-gradient(105% 80% at 8% 88%, rgba(8,9,10,.94) 0%, rgba(8,9,10,.62) 40%, rgba(8,9,10,0) 74%),
    linear-gradient(to top, var(--ink) 0%, rgba(8,9,10,.34) 34%, rgba(8,9,10,0) 68%),
    linear-gradient(to right, rgba(8,9,10,.66) 0%, rgba(8,9,10,.04) 58%);
}

.hero-inner{ position:relative; }
.hero-kicker{
  font-size:11.5px; letter-spacing:.3em; color:rgba(243,241,236,.72);
  margin-bottom:24px; text-transform:uppercase;
}
.hero-title{
  font-family:var(--serif);
  font-weight:600;
  font-size:clamp(31px, 5.1vw, 74px);
  line-height:1.14;
  letter-spacing:.005em;
  margin-bottom:30px;
}
.hero-title .line{ display:block; white-space:nowrap; }
.hero-title em{ font-style:normal; color:var(--paper); }
.hero-title .line:last-child{ color:rgba(243,241,236,.62); }
.hero-title{ text-shadow:0 2px 40px rgba(0,0,0,.5); }

.hero-sub{
  font-size:clamp(14px,1.25vw,16px);
  line-height:1.95; color:rgba(243,241,236,.82);
  max-width:46ch; margin-bottom:36px;
  text-shadow:0 1px 18px rgba(0,0,0,.55);
}

.hero-actions{ display:flex; gap:18px; flex-wrap:wrap; }

.hero-stats{
  display:flex; gap:clamp(26px,3.4vw,52px);
  margin-top:clamp(32px,4.6vh,54px);
  padding-top:22px;
  border-top:1px solid rgba(243,241,236,.16);
  max-width:660px;
}
.hero-stats li{
  display:flex; flex-direction:column; gap:3px;
  padding-left:clamp(16px,2vw,26px);
  border-left:1px solid rgba(243,241,236,.16);
}
.hero-stats b{
  font-family:var(--serif); font-weight:600;
  font-size:clamp(30px,3vw,40px); line-height:1.05; letter-spacing:.01em;
  color:#fff;
}
.hero-stats span{ font-size:11.5px; letter-spacing:.14em; color:rgba(243,241,236,.62); }

/* ---------------- 通用 section ---------------- */
.section{ padding:clamp(80px,11vh,140px) 0; position:relative; }
.section-head{ margin-bottom:clamp(44px,6vw,72px); }
.section-head.row{
  display:flex; align-items:flex-end; justify-content:space-between;
  gap:40px; flex-wrap:wrap;
}
.section-head.row .section-note{ margin-bottom:8px; }

/* ---------------- 品牌 ---------------- */
.brand{ border-top:1px solid var(--line-soft); }
.brand .display{ max-width:22ch; }

.brand-grid{
  display:grid; grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:clamp(40px,6vw,100px);
  border-top:1px solid var(--line);
  padding-top:clamp(36px,4vw,56px);
}
.brand-copy p{
  font-size:15.5px; line-height:2; color:rgba(243,241,236,.72);
  margin-bottom:22px; max-width:46ch;
}
.brand-sign{
  font-size:12px !important; letter-spacing:.18em;
  color:var(--muted-2) !important; margin-top:32px !important;
}

.brand-facts{ display:grid; gap:0; }
.brand-facts li{
  padding:22px 0; border-bottom:1px solid var(--line-soft);
  display:grid; grid-template-columns:104px 1fr; gap:20px; align-items:baseline;
}
.brand-facts li:first-child{ border-top:1px solid var(--line-soft); }
.brand-facts b{
  font-family:var(--serif); font-size:15px; font-weight:600; letter-spacing:.06em;
  color:var(--paper);
}
.brand-facts p{ font-size:13.5px; line-height:1.9; color:var(--muted); }

/* ---------------- 产品网格 ---------------- */
.product-grid{
  display:grid; grid-template-columns:repeat(3, minmax(0,1fr));
  gap:clamp(26px,3.2vw,44px) clamp(22px,2.6vw,36px);
}

.pcard{ position:relative; display:flex; flex-direction:column; height:100%; }
.pcard-media{
  position:relative; overflow:hidden; background:var(--ink-3);
  aspect-ratio:1/1;
}
.pcard-media img{
  width:100%; height:100%; object-fit:cover;
  transition:transform 1.1s var(--ease), filter .6s var(--ease);
  filter:saturate(.94) contrast(1.02);
}
.pcard:hover .pcard-media img{ transform:scale(1.045); filter:saturate(1.02) contrast(1.04); }

.pcard-body{ padding-top:20px; display:flex; flex-direction:column; flex:1; }
.pcard-body .price{ margin-top:auto; padding-top:18px; }
.pcard-no{
  font-size:10.5px; letter-spacing:.24em; color:var(--muted-2);
  margin-bottom:10px; text-transform:uppercase;
}
.pcard-body h3{
  font-family:var(--serif); font-size:clamp(19px,1.7vw,23px);
  font-weight:600; line-height:1.35; letter-spacing:.02em;
}
.pcard-en{
  font-size:10.5px; letter-spacing:.16em; text-transform:uppercase;
  color:rgba(243,241,236,.32); margin-top:7px;
}
.pcard-desc{
  font-size:13.5px; line-height:1.9; color:var(--muted);
  margin-top:14px;
}

.tags{ display:flex; flex-wrap:wrap; gap:6px; margin-top:16px; }
.tags li{
  font-size:11px; letter-spacing:.04em;
  padding:4px 10px; border:1px solid var(--line);
  color:rgba(243,241,236,.62);
}

/* 说明卡 */
.pcard-note{
  background:linear-gradient(160deg, rgba(243,241,236,.045), rgba(243,241,236,.01));
  border:1px solid var(--line);
  padding:clamp(24px,2.6vw,36px);
  justify-content:center;
}
.pcard-note h3{
  font-family:var(--serif); font-size:clamp(20px,1.8vw,25px);
  font-weight:600; line-height:1.65; letter-spacing:.02em;
  margin:6px 0 16px;
}
.pcard-note .link-arrow{ margin-top:24px; }

/* ---------------- 洗护分栏 ---------------- */
.series-alt{ background:var(--ink-2); }

.split-list{ display:grid; gap:clamp(44px,5vw,72px); }
.split{
  display:grid; grid-template-columns:minmax(0,.85fr) minmax(0,1fr);
  gap:clamp(28px,4.5vw,72px); align-items:center;
}
.split.reverse{ grid-template-columns:minmax(0,1fr) minmax(0,.85fr); }
.split.reverse .split-media{ order:2; }
.split-media{ overflow:hidden; background:var(--ink-3); aspect-ratio:1/1; }
.split-media img{
  width:100%; height:100%; object-fit:cover;
  transition:transform 1.2s var(--ease);
}
.split:hover .split-media img{ transform:scale(1.04); }
.split-body h3{
  font-family:var(--serif); font-size:clamp(24px,2.6vw,36px);
  font-weight:600; line-height:1.3; margin-bottom:8px;
}
.split-desc{
  font-size:14.5px; line-height:2; color:rgba(243,241,236,.68);
  margin-top:20px; max-width:40ch;
}
.spec{ margin-top:26px; border-top:1px solid var(--line-soft); }
.spec li{
  display:flex; justify-content:space-between; gap:20px;
  padding:11px 0; border-bottom:1px solid var(--line-soft);
  font-size:13px;
}
.spec span{ color:var(--muted-2); letter-spacing:.08em; }
.spec b{ font-weight:500; color:var(--paper-dim); }

/* ---------------- 理容宽卡 ---------------- */
.wide-grid{
  display:grid; grid-template-columns:repeat(2, minmax(0,1fr));
  gap:clamp(24px,3vw,40px);
}
.wcard{
  border:1px solid var(--line-soft);
  background:var(--ink-2);
  overflow:hidden;
  display:flex; flex-direction:column;
  transition:border-color .5s var(--ease), transform .6s var(--ease);
}
.wcard:hover{ border-color:var(--line); transform:translateY(-3px); }
.wcard-media{ overflow:hidden; aspect-ratio:16/9; background:#05070E; }
.wcard-media img{
  width:100%; height:100%; object-fit:cover;
  transition:transform 1.2s var(--ease);
}
.wcard:hover .wcard-media img{ transform:scale(1.035); }
.wcard-body{ padding:clamp(20px,2.4vw,30px); }
.wcard-body h3{
  font-family:var(--serif); font-size:clamp(19px,1.8vw,24px);
  font-weight:600; letter-spacing:.02em; margin-top:6px;
}
.wcard-desc{
  font-size:13.5px; line-height:1.95; color:var(--muted); margin-top:14px;
}
.wcard .tags{ margin-top:18px; }

/* ---------------- 四步 ---------------- */
.ritual{ background:var(--ink-2); border-top:1px solid var(--line-soft); }
.steps{
  display:grid; grid-template-columns:repeat(4, minmax(0,1fr));
  border-top:1px solid var(--line);
}
.steps li{
  padding:34px clamp(16px,2vw,28px) 34px 0;
  border-right:1px solid var(--line-soft);
}
.steps li:last-child{ border-right:0; }
.steps li + li{ padding-left:clamp(18px,2.2vw,32px); }
.step-no{
  font-family:var(--serif); font-size:12px; letter-spacing:.24em;
  color:var(--blue); margin-bottom:18px;
}
.steps h3{
  font-family:var(--serif); font-size:clamp(17px,1.55vw,21px);
  font-weight:600; letter-spacing:.04em; margin-bottom:14px;
}
.steps p{ font-size:13px; line-height:1.95; color:var(--muted); }

/* ---------------- 门店 ---------------- */
.where-inner{
  display:grid; grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
  gap:clamp(36px,5vw,80px); align-items:center;
}
.where-copy .display{ margin-bottom:26px; }
.where-copy > p{
  font-size:15px; line-height:2; color:rgba(243,241,236,.66);
  max-width:42ch; margin-bottom:34px;
}
.where-actions{ display:flex; gap:14px; flex-wrap:wrap; }

.where-card{
  border:1px solid var(--line);
  padding:clamp(26px,3vw,40px);
  background:linear-gradient(165deg, rgba(243,241,236,.05), rgba(243,241,236,.005));
}
.where-card-label{
  font-size:10.5px; letter-spacing:.26em; text-transform:uppercase;
  color:var(--muted-2); margin-bottom:16px;
}
.where-card-quote{
  font-family:var(--serif); font-size:clamp(19px,1.9vw,25px);
  line-height:1.6; letter-spacing:.02em; margin-bottom:26px;
}
.where-card ul{ border-top:1px solid var(--line-soft); }
.where-card li{
  display:flex; justify-content:space-between; gap:16px;
  padding:12px 0; border-bottom:1px solid var(--line-soft);
  font-size:12.5px;
}
.where-card li span{ color:var(--muted-2); letter-spacing:.06em; }
.where-card li b{ font-weight:500; color:var(--paper-dim); }
.where-card-foot{
  font-size:12px; line-height:1.9; color:var(--muted-2); margin-top:22px;
}

/* ---------------- 页脚 ---------------- */
.site-footer{
  border-top:1px solid var(--line);
  padding:clamp(48px,6vw,80px) 0 34px;
  background:#060708;
}
.footer-top{
  display:grid; grid-template-columns:minmax(0,1.2fr) minmax(0,1.6fr);
  gap:clamp(36px,5vw,80px);
  padding-bottom:clamp(40px,5vw,64px);
}
.footer-brand{ display:flex; gap:14px; align-items:flex-start; }
.footer-brand .brand-mark{ width:34px; height:34px; margin-top:2px; }
.footer-brand b{ font-size:14px; letter-spacing:.14em; font-weight:600; }
.footer-brand p{ font-size:12px; color:var(--muted-2); margin-top:8px; letter-spacing:.04em; }

.footer-nav{ display:grid; grid-template-columns:repeat(3, minmax(0,1fr)); gap:24px; }
.footer-title{
  font-size:10.5px; letter-spacing:.24em; text-transform:uppercase;
  color:var(--muted-2); margin-bottom:16px;
}
.footer-nav a{
  display:block; font-size:13px; color:var(--muted);
  padding:5px 0; transition:color .3s var(--ease);
}
.footer-nav a:hover{ color:var(--paper); }

.footer-bottom{
  display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap;
  padding-top:26px; border-top:1px solid var(--line-soft);
  font-size:11.5px; color:var(--muted-2); letter-spacing:.04em;
}
.footer-meta{ text-transform:uppercase; letter-spacing:.2em; font-size:10px; }

/* ---------------- 滚动渐显 ---------------- */
.reveal{
  opacity:0; transform:translateY(26px);
  transition:opacity 1s var(--ease), transform 1s var(--ease);
}
.reveal.in{ opacity:1; transform:none; }

/* ---------------- 响应式 ---------------- */
@media (max-width:1080px){
  .product-grid{ grid-template-columns:repeat(2, minmax(0,1fr)); }
  .brand-grid{ grid-template-columns:1fr; gap:44px; }
  .where-inner{ grid-template-columns:1fr; gap:40px; }
  .steps{ grid-template-columns:repeat(2, minmax(0,1fr)); }
  .steps li{ border-bottom:1px solid var(--line-soft); }
  .steps li:nth-child(2n){ border-right:0; }
}

@media (max-width:860px){
  .nav, .header-cta{ display:none; }
  .menu-btn{ display:block; }
  .site-header.menu-open{ background:rgba(8,9,10,.97); backdrop-filter:blur(20px); }
  .site-header.menu-open .nav{
    display:flex; flex-direction:column; align-items:flex-start; gap:0;
    position:fixed; inset:76px 0 auto 0;
    padding:12px var(--pad) 32px;
    background:rgba(8,9,10,.97);
    border-bottom:1px solid var(--line);
  }
  .site-header.menu-open .nav a{
    width:100%; padding:16px 0; font-size:17px;
    border-bottom:1px solid var(--line-soft); color:var(--paper);
  }
  .site-header.menu-open .nav a::after{ display:none; }

  .hero{ min-height:92svh; padding-top:120px; }
  .hero-stats{ gap:26px; }
  .hero-stats span{ font-size:10.5px; }

  .split, .split.reverse{ grid-template-columns:1fr; gap:24px; }
  .split.reverse .split-media{ order:0; }
  .wide-grid{ grid-template-columns:1fr; }
  .footer-top{ grid-template-columns:1fr; gap:36px; }
  .footer-bottom{ flex-direction:column; }
}

@media (max-width:600px){
  body{ font-size:15px; }
  .header-inner{ height:66px; }
  .brand-mark{ width:26px; height:26px; }
  .brand-text b{ font-size:14.5px; }
  .site-header.menu-open .nav{ top:66px; }

  .hero{ padding:110px 0 40px; min-height:88svh; }
  .hero-title{ font-size:clamp(32px, 9vw, 42px); }
  .hero-sub br{ display:none; }
  .hero-actions .btn{ flex:1 1 auto; }
  .scroll-hint{ display:none; }

  .product-grid{ grid-template-columns:1fr; gap:38px; }
  .pcard-media{ aspect-ratio:4/3; }
  .steps{ grid-template-columns:1fr; }
  .steps li{ border-right:0; padding-left:0 !important; }
  .footer-nav{ grid-template-columns:repeat(2, minmax(0,1fr)); }
  .section{ padding:64px 0; }
  .tags{ gap:5px; }
  .where-actions .btn{ flex:1 1 auto; }
}

@media (prefers-reduced-motion:reduce){
  *{ animation:none !important; transition:none !important; }
  .reveal{ opacity:1; transform:none; }
  html{ scroll-behavior:auto; }
}

/* 卡片底部购买指引 */
.pcard-buy{
  display:inline-flex; align-items:center; gap:6px;
  margin-top:14px; font-size:11.5px; letter-spacing:.06em;
  color:rgba(243,241,236,.5);
  transition:color .35s var(--ease), gap .35s var(--ease);
}
.pcard-buy:hover{ color:var(--paper); gap:10px; }

/* 理容卡：图片与卡片边缘柔化过渡 */
.wcard-media{ position:relative; }
.wcard-media::after{
  content:""; position:absolute; inset:auto 0 0 0; height:36%;
  background:linear-gradient(to top, rgba(12,14,17,.85), rgba(12,14,17,0));
  pointer-events:none;
}
@media (max-width:600px){ .br-desk{ display:none; } }