/* 心亦有品 XINYIYOUPIN — 品牌官网样式 v1.0
   苏州心亦有礼科技有限公司
   调性：东方礼赠 / 雅金墨黛 / 克制高级 */

:root{
  --ink:#1F1B18;          /* 墨黛主文字 */
  --ink-2:#3A332E;
  --ink-3:#6B6158;
  --gold:#B08D57;         /* 雅金 */
  --gold-deep:#8C6B38;
  --gold-light:#D9BE8C;
  --cinnabar:#9E2B25;     /* 朱砂 */
  --paper:#FAF6EF;        /* 宣纸米白 */
  --paper-2:#F3ECE1;
  --line:#E4DACA;
  --white:#FFFFFF;
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 10px 30px rgba(31,27,24,.08);
  --shadow-lg:0 22px 60px rgba(31,27,24,.14);
  --maxw:1200px;
  --serif:"Songti SC","STSong","Noto Serif SC","Source Han Serif SC",Georgia,serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.85;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--gold-deep);text-decoration:none;transition:.25s;}
a:hover{color:var(--cinnabar);}

h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.4;letter-spacing:.02em;margin:0 0 .6em;color:var(--ink);}
h1{font-size:clamp(30px,4.4vw,48px);}
h2{font-size:clamp(24px,3vw,34px);}
h3{font-size:clamp(19px,2vw,23px);}
h4{font-size:17px;}
p{margin:0 0 1.1em;}
ul,ol{margin:0 0 1.2em;padding-left:1.3em;}
li{margin:.35em 0;}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.section{padding:78px 0;}
.section--tight{padding:52px 0;}
.section--paper2{background:var(--paper-2);}
.section--white{background:var(--white);}
.section--ink{background:var(--ink);color:var(--paper);}
.section--ink h1,.section--ink h2,.section--ink h3,.section--ink h4{color:var(--paper);}
.section--ink p,.section--ink li{color:rgba(250,246,239,.82);}

.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.32em;text-transform:uppercase;
  color:var(--gold-deep);border:1px solid var(--gold-light);
  padding:5px 14px;border-radius:99px;background:rgba(176,141,87,.06);margin-bottom:18px;
}
.section--ink .eyebrow{color:var(--gold-light);border-color:rgba(217,190,140,.45);background:rgba(217,190,140,.08);}
.lead{font-size:17px;color:var(--ink-2);max-width:760px;}
.section--ink .lead{color:rgba(250,246,239,.8);}
.center{text-align:center;}
.center .lead{margin-left:auto;margin-right:auto;}
.divider-gold{width:56px;height:2px;background:linear-gradient(90deg,var(--gold),transparent);margin:18px 0 26px;}
.center .divider-gold{margin-left:auto;margin-right:auto;}

/* ---------- 顶栏 ---------- */
.topbar{background:var(--ink);color:rgba(250,246,239,.7);font-size:12.5px;padding:7px 0;letter-spacing:.04em;}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;}

header.site{
  position:sticky;top:0;z-index:60;background:rgba(250,246,239,.94);
  backdrop-filter:saturate(150%) blur(10px);border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 24px;max-width:var(--maxw);margin:0 auto;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:42px;height:42px;border-radius:10px;flex:0 0 42px;
  background:linear-gradient(140deg,var(--ink) 0%,#3A332E 55%,var(--gold-deep) 100%);
  display:flex;align-items:center;justify-content:center;color:var(--gold-light);
  font-family:var(--serif);font-size:19px;letter-spacing:0;border:1px solid rgba(217,190,140,.35);
}
.brand-text b{display:block;font-family:var(--serif);font-size:20px;letter-spacing:.16em;color:var(--ink);line-height:1.2;}
.brand-text span{display:block;font-size:10.5px;letter-spacing:.28em;color:var(--ink-3);text-transform:uppercase;}
.menu{display:flex;align-items:center;gap:26px;}
.menu a{color:var(--ink-2);font-size:15px;position:relative;padding:4px 0;}
.menu a:hover,.menu a.active{color:var(--gold-deep);}
.menu a.active::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--gold);}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:7px 11px;cursor:pointer;font-size:15px;color:var(--ink);}

.btn{display:inline-block;padding:12px 26px;border-radius:99px;font-size:15px;border:1px solid transparent;transition:.28s;cursor:pointer;}
.btn-gold{background:linear-gradient(135deg,var(--gold) 0%,var(--gold-deep) 100%);color:#fff;box-shadow:0 8px 20px rgba(140,107,56,.28);}
.btn-gold:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(140,107,56,.36);}
.btn-line{border-color:var(--ink);color:var(--ink);}
.btn-line:hover{background:var(--ink);color:var(--paper);}
.section--ink .btn-line{border-color:rgba(250,246,239,.6);color:var(--paper);}
.section--ink .btn-line:hover{background:var(--paper);color:var(--ink);}
.btn-sm{padding:8px 18px;font-size:14px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;background:
    radial-gradient(1000px 520px at 82% -8%,rgba(176,141,87,.34),transparent 62%),
    linear-gradient(160deg,#241F1B 0%,#1F1B18 46%,#2C2620 100%);
  color:var(--paper);
}
.hero::before{
  content:"";position:absolute;inset:0;opacity:.16;pointer-events:none;
  background-image:radial-gradient(rgba(217,190,140,.5) 1px,transparent 1px);
  background-size:26px 26px;
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:54px;align-items:center;padding:86px 24px 92px;max-width:var(--maxw);margin:0 auto;}
.hero h1{color:var(--paper);font-size:clamp(32px,4.6vw,54px);margin-bottom:.4em;}
.hero .hero-sub{font-size:clamp(16px,1.6vw,19px);color:rgba(250,246,239,.84);max-width:600px;}
.hero .slogan{font-family:var(--serif);font-size:clamp(19px,2.2vw,26px);color:var(--gold-light);letter-spacing:.14em;margin:18px 0 12px;}
.hero-meta{display:flex;gap:26px;flex-wrap:wrap;margin:26px 0 30px;}
.hero-meta div{border-left:2px solid rgba(217,190,140,.45);padding-left:14px;}
.hero-meta b{display:block;font-family:var(--serif);font-size:22px;color:var(--gold-light);}
.hero-meta span{font-size:12.5px;color:rgba(250,246,239,.66);letter-spacing:.05em;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}

.hero-card{
  background:linear-gradient(165deg,rgba(255,255,255,.09),rgba(255,255,255,.03));
  border:1px solid rgba(217,190,140,.3);border-radius:var(--radius-lg);padding:26px;
  box-shadow:var(--shadow-lg);backdrop-filter:blur(6px);
}
.hero-card h3{color:var(--gold-light);font-size:18px;margin-bottom:14px;letter-spacing:.1em;}
.hero-card ul{list-style:none;padding:0;margin:0;}
.hero-card li{display:flex;gap:10px;align-items:flex-start;padding:9px 0;border-bottom:1px dashed rgba(217,190,140,.22);color:rgba(250,246,239,.86);font-size:14.5px;}
.hero-card li:last-child{border-bottom:0;}
.hero-card li b{color:var(--gold-light);font-weight:600;min-width:74px;}

/* ---------- 卡片 / 网格 ---------- */
.grid{display:grid;gap:26px;}
.g2{grid-template-columns:repeat(2,1fr);}
.g3{grid-template-columns:repeat(3,1fr);}
.g4{grid-template-columns:repeat(4,1fr);}

.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 26px;transition:.3s;position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--gold-light);}
.card .num{font-family:var(--serif);font-size:13px;color:var(--gold-deep);letter-spacing:.3em;}
.card h3{margin:.3em 0 .5em;}
.card p{color:var(--ink-3);font-size:14.8px;margin:0;}
.card ul{color:var(--ink-3);font-size:14.5px;}

.product-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;display:flex;flex-direction:column;transition:.3s;
}
.product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);}
.product-visual{height:186px;position:relative;display:flex;align-items:center;justify-content:center;}
.product-visual .tag{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.92);color:var(--ink);font-size:11.5px;padding:4px 10px;border-radius:99px;letter-spacing:.08em;}
.product-body{padding:22px 22px 26px;flex:1;display:flex;flex-direction:column;}
.product-body h3{margin-bottom:.35em;}
.product-body .en{font-size:11.5px;letter-spacing:.22em;color:var(--ink-3);text-transform:uppercase;}
.product-body p{font-size:14.5px;color:var(--ink-3);}
.product-body .spec{list-style:none;padding:0;margin:12px 0 18px;font-size:13.5px;color:var(--ink-2);}
.product-body .spec li{padding:5px 0;border-bottom:1px dashed var(--line);display:flex;justify-content:space-between;gap:12px;}
.product-body .spec li span:first-child{color:var(--ink-3);}
.mt-auto{margin-top:auto;}

/* 视觉占位：东方纹样渐变 */
.v1{background:linear-gradient(150deg,#F6EEE0 0%,#E9DCC6 55%,#D8C3A0 100%);}
.v2{background:linear-gradient(150deg,#F5E7E4 0%,#E7CFC9 55%,#D6B3AA 100%);}
.v3{background:linear-gradient(150deg,#EDF1EF 0%,#D9E5E1 55%,#C2D3CC 100%);}
.v4{background:linear-gradient(150deg,#F7EFE6 0%,#EBD9C4 55%,#D9BE8C 100%);}
.v5{background:linear-gradient(150deg,#F0EAF2 0%,#DFD3E6 55%,#C7B6D3 100%);}
.v6{background:linear-gradient(150deg,#EAF0F5 0%,#D3E0EA 55%,#B8CBD9 100%);}
.v7{background:linear-gradient(150deg,#F0F6EA 0%,#DCEBD0 55%,#C2DCAE 100%);}
.ornament{width:96px;height:96px;opacity:.9;}
.glyph{font-family:var(--serif);font-size:44px;color:rgba(31,27,24,.55);letter-spacing:.1em;}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s;}
.step{position:relative;padding:26px 20px 22px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);}
.step::before{
  counter-increment:s;content:counter(s,decimal-leading-zero);
  font-family:var(--serif);font-size:26px;color:var(--gold-light);display:block;margin-bottom:8px;
}
.step h4{margin-bottom:.4em;}
.step p{font-size:14.2px;color:var(--ink-3);margin:0;}

/* ---------- 表格 ---------- */
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--white);}
table{border-collapse:collapse;width:100%;min-width:640px;font-size:14.6px;}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;}
thead th{background:var(--paper-2);font-family:var(--serif);font-weight:600;color:var(--ink);white-space:nowrap;}
tbody tr:last-child td{border-bottom:0;}
tbody tr:hover{background:rgba(176,141,87,.05);}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);}
.faq details{border-bottom:1px solid var(--line);background:var(--white);}
.faq summary{
  cursor:pointer;padding:20px 22px;font-family:var(--serif);font-size:17px;font-weight:600;color:var(--ink);
  list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:flex-start;transition:.2s;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";color:var(--gold-deep);font-weight:400;font-size:22px;line-height:1;}
.faq details[open] summary{color:var(--gold-deep);}
.faq details[open] summary::after{content:"–";}
.faq .answer{padding:0 22px 22px;color:var(--ink-2);font-size:15px;}
.faq .answer p:last-child{margin-bottom:0;}
.section--ink .faq details{background:rgba(255,255,255,.04);border-color:rgba(217,190,140,.22);}
.section--ink .faq summary{color:var(--paper);}

/* ---------- GEO 答案胶囊（AI 可直接引用块） ---------- */
.answerbox{
  background:linear-gradient(165deg,#FFFDF8 0%,#F7EFE2 100%);
  border:1px solid var(--gold-light);border-left:4px solid var(--gold);
  border-radius:var(--radius);padding:22px 26px;margin:0 0 26px;
}
.answerbox .a-label{
  display:inline-block;font-size:11.5px;letter-spacing:.2em;color:var(--gold-deep);
  border:1px solid var(--gold-light);border-radius:99px;padding:3px 12px;margin-bottom:12px;background:rgba(176,141,87,.08);
}
.answerbox p{font-family:var(--serif);font-size:17.5px;line-height:1.85;color:var(--ink);margin:0 0 10px;}
.answerbox p:last-child{margin-bottom:0;}
.answerbox .a-meta{font-family:var(--sans);font-size:14px;color:var(--ink-2);}
.answerbox .a-meta b{color:var(--gold-deep);}
.section--ink .answerbox{background:rgba(255,255,255,.06);border-color:rgba(217,190,140,.35);}
.section--ink .answerbox p{color:var(--paper);}

/* ---------- 更新时间 ---------- */
.updated{font-size:12.8px;color:var(--ink-3);border-top:1px dashed var(--line);padding-top:14px;margin-top:8px;}

/* ---------- 要点速览 ---------- */
.tldr{background:var(--white);border:1px dashed var(--gold-light);border-radius:var(--radius);padding:18px 22px;margin-bottom:24px;}
.tldr b{font-family:var(--serif);color:var(--gold-deep);display:block;margin-bottom:6px;letter-spacing:.06em;}
.tldr ul{margin:0;padding-left:1.2em;}
.tldr li{font-size:14.8px;color:var(--ink-2);}

/* ---------- 引用条 ---------- */
.quote{
  border-left:3px solid var(--gold);background:var(--white);padding:22px 26px;border-radius:0 var(--radius) var(--radius) 0;
  font-family:var(--serif);font-size:17px;color:var(--ink-2);
}
.quote small{display:block;font-family:var(--sans);font-size:13px;color:var(--ink-3);margin-top:8px;}

/* ---------- 面包屑 ---------- */
.crumb{font-size:13px;color:var(--ink-3);padding:16px 0 0;}
.crumb a{color:var(--ink-3);}
.crumb span{margin:0 7px;color:var(--gold-light);}

/* ---------- 页头 ---------- */
.pagehead{padding:56px 0 34px;background:linear-gradient(180deg,var(--paper-2),var(--paper));border-bottom:1px solid var(--line);}
.pagehead h1{margin-bottom:.3em;}
.pagehead p.lead{margin-bottom:0;}

/* ---------- 底部 ---------- */
footer.site{background:var(--ink);color:rgba(250,246,239,.72);padding:60px 0 26px;margin-top:0;}
footer.site h4{color:var(--gold-light);font-size:15px;letter-spacing:.14em;margin-bottom:16px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;}
footer.site a{color:rgba(250,246,239,.72);font-size:14.2px;}
footer.site a:hover{color:var(--gold-light);}
footer.site ul{list-style:none;padding:0;margin:0;}
footer.site li{margin:.5em 0;}
.foot-bottom{border-top:1px solid rgba(250,246,239,.14);margin-top:40px;padding-top:22px;font-size:12.8px;color:rgba(250,246,239,.5);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.legal-note{background:rgba(255,255,255,.04);border:1px solid rgba(217,190,140,.2);border-radius:var(--radius);padding:16px 18px;font-size:12.6px;color:rgba(250,246,239,.6);margin-top:26px;line-height:1.75;}

/* ---------- 浮动咨询 ---------- */
.float-cta{
  position:fixed;right:18px;bottom:18px;z-index:70;display:flex;flex-direction:column;gap:10px;
}
.float-cta a{
  background:var(--white);border:1px solid var(--line);border-radius:99px;padding:10px 16px;font-size:13.5px;
  box-shadow:var(--shadow);color:var(--ink);display:block;
}
.float-cta a.primary{background:linear-gradient(135deg,var(--gold),var(--gold-deep));color:#fff;border-color:transparent;}

/* ---------- 要点列表 ---------- */
.ticks{list-style:none;padding:0;}
.ticks li{position:relative;padding-left:26px;margin:.5em 0;}
.ticks li::before{content:"";position:absolute;left:0;top:.62em;width:12px;height:12px;border-radius:3px;background:linear-gradient(135deg,var(--gold),var(--gold-deep));}
.badge{display:inline-block;font-size:12.5px;padding:4px 12px;border-radius:99px;background:rgba(176,141,87,.12);color:var(--gold-deep);margin:0 6px 6px 0;}
.note{font-size:13.4px;color:var(--ink-3);background:var(--paper-2);border-radius:var(--radius);padding:14px 18px;border:1px dashed var(--line);}
.kv{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.kv div{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;}
.kv b{display:block;font-family:var(--serif);color:var(--gold-deep);font-size:15px;margin-bottom:2px;}
.kv span{font-size:13.8px;color:var(--ink-3);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;padding:64px 24px 70px;}
  .g4,.steps{grid-template-columns:repeat(2,1fr);}
  .g3{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:720px){
  .section{padding:52px 0;}
  .g2,.g3,.g4,.steps,.kv{grid-template-columns:1fr;}
  .menu{
    display:none;position:absolute;top:100%;left:0;right:0;background:var(--paper);
    flex-direction:column;align-items:flex-start;gap:0;padding:8px 24px 18px;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow);
  }
  .menu.open{display:flex;}
  .menu a{padding:12px 0;border-bottom:1px solid var(--line);width:100%;}
  .nav-toggle{display:block;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
  .float-cta a{font-size:12.5px;padding:9px 13px;}
}