/* ============================================================
   宁杞臻品 NINGXIA GOJI · 旗舰设计系统
   宁夏枸杞官方旗舰网站 · 红金配色 · 编辑级排版 · 极致性能
   ============================================================ */

:root {
  --wine:        #9E1030;
  --wine-dark:   #7A0C24;
  --wine-deep:   #5E091B;
  --gold:        #C9A24B;
  --gold-deep:   #A98534;
  --gold-light:  #EAD9AC;
  --cream:       #FAF5EC;
  --cream-soft:  #F5EDDD;
  --cream-card:  #FFFDF8;
  --ink:         #221A14;
  --ink-soft:    #554A3E;
  --leaf:        #2E5D3A;
  --line:        #E7DCC7;
  --white:       #FFFFFF;
  --serif: "Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",Georgia,serif;
  --sans:  "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --shadow-soft: 0 18px 45px -18px rgba(93,26,34,.18);
  --shadow-lift: 0 26px 60px -20px rgba(93,26,34,.28);
  --ease: cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:var(--sans);color:var(--ink);background:var(--cream);
  line-height:1.75;font-size:16px;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
::selection{background:var(--wine);color:#fff}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;line-height:1.35;letter-spacing:.02em}
.skip-link{position:absolute;left:-999px;top:0;z-index:200;background:var(--wine);color:#fff;padding:10px 20px;border-radius:0 0 10px 0}
.skip-link:focus{left:0}

.wrap{width:min(1200px,92%);margin-inline:auto}
.section{padding:clamp(72px,9vw,132px) 0;position:relative}
.section--soft{background:var(--cream-soft)}
.section--wine{background:linear-gradient(135deg,var(--wine-dark),var(--wine) 55%,#B4143A);color:#fff}
.section--cream{background:var(--cream)}
.gold-line{width:64px;height:2px;background:linear-gradient(90deg,var(--gold),var(--gold-light));margin:0 auto;border-radius:2px}

.section-head{text-align:center;max-width:760px;margin:0 auto clamp(44px,6vw,72px)}
.section-head .en{
  font-size:12px;letter-spacing:.42em;color:var(--gold-deep);
  text-transform:uppercase;font-family:var(--sans);font-weight:600;display:block;margin-bottom:14px;
}
.section-head h2{font-size:clamp(28px,4.2vw,44px);color:var(--wine-deep)}
.section-head p{color:var(--ink-soft);margin-top:14px;font-size:15.5px}
.section-head.light .en{color:var(--gold-light)}
.section-head.light h2{color:#fff}
.section-head.light p{color:rgba(255,255,255,.78)}
.gold-divider{display:flex;align-items:center;justify-content:center;gap:14px;margin:18px auto 0}
.gold-divider i{height:1px;width:34px;background:linear-gradient(90deg,transparent,var(--gold))}
.gold-divider i:last-child{background:linear-gradient(90deg,var(--gold),transparent)}
.gold-divider span{width:8px;height:8px;transform:rotate(45deg);border:1.5px solid var(--gold)}

/* 顶部信任条 */
.topbar{background:var(--wine-deep);color:rgba(255,255,255,.82);font-size:12.5px;letter-spacing:.05em}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;padding-block:7px;gap:12px;flex-wrap:wrap}
.topbar b{color:var(--gold-light);font-weight:600}
.topbar .right span{margin-left:22px;white-space:nowrap}

/* 导航 */
.site-header{position:sticky;top:0;z-index:100;background:rgba(250,245,236,.86);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(201,162,75,.25);transition:box-shadow .3s var(--ease)}
.site-header.scrolled{box-shadow:0 10px 30px -18px rgba(93,26,34,.25)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px;gap:24px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo .mark{width:44px;height:44px;flex-shrink:0;display:block}
.logo .name{font-family:var(--serif);font-size:21px;font-weight:700;color:var(--wine-deep);line-height:1.1}
.logo .name small{display:block;font-size:10px;letter-spacing:.32em;color:var(--gold-deep);font-weight:600;margin-top:2px;font-family:var(--sans)}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-list > li > a{display:block;padding:10px 15px;font-size:14.5px;font-weight:500;color:var(--ink);border-radius:9px;position:relative;transition:color .25s}
.nav-list > li > a:hover{color:var(--wine)}
.nav-list > li > a::after{content:"";position:absolute;left:15px;right:15px;bottom:6px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--gold),var(--gold-light));transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.nav-list > li > a:hover::after,.nav-list > li > a.active::after{transform:scaleX(1)}
.nav-list > li > a.active{color:var(--wine)}
.has-sub{position:relative}
.has-sub .sub{position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%) translateY(8px);
  background:#fff;border:1px solid var(--line);border-radius:14px;min-width:230px;
  box-shadow:var(--shadow-lift);opacity:0;visibility:hidden;transition:.28s var(--ease);padding:10px}
.has-sub:hover .sub,.has-sub:focus-within .sub{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.sub a{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-radius:9px;font-size:14px;color:var(--ink);transition:.2s}
.sub a:hover{background:var(--cream-soft);color:var(--wine)}
.sub a em{font-style:normal;font-size:11px;color:var(--gold-deep)}
.nav-cta{background:linear-gradient(135deg,var(--wine),var(--wine-dark));color:#fff;
  padding:11px 22px;border-radius:999px;font-size:14px;font-weight:600;flex-shrink:0;
  box-shadow:0 10px 22px -10px rgba(158,16,48,.55);transition:.28s var(--ease)}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 16px 28px -10px rgba(158,16,48,.6)}
.nav-burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;color:var(--wine);flex-direction:column;gap:5px}
.nav-burger i{display:block;width:20px;height:2px;background:currentColor;border-radius:2px;transition:.3s var(--ease)}
body.menu-open .nav-burger i:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.menu-open .nav-burger i:nth-child(2){opacity:0}
body.menu-open .nav-burger i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 32px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.04em;transition:.3s var(--ease);border:1px solid transparent}
.btn-wine{background:linear-gradient(135deg,var(--wine),var(--wine-dark));color:#fff;box-shadow:0 14px 30px -12px rgba(158,16,48,.55)}
.btn-wine:hover{transform:translateY(-3px);box-shadow:0 20px 36px -12px rgba(158,16,48,.6)}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-deep));color:#fff;box-shadow:0 14px 30px -12px rgba(201,162,75,.6)}
.btn-gold:hover{transform:translateY(-3px)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-3px)}
.btn-line{border-color:var(--gold);color:var(--wine-deep);background:rgba(255,255,255,.5)}
.btn-line:hover{background:var(--wine);border-color:var(--wine);color:#fff;transform:translateY(-3px)}
.btn svg{width:16px;height:16px}

/* Hero */
.hero{position:relative;min-height:min(92vh,880px);display:flex;align-items:center;color:#fff;overflow:hidden;
  background:radial-gradient(1200px 600px at 78% -10%,rgba(201,162,75,.28),transparent 60%),
    radial-gradient(900px 700px at 8% 110%,rgba(46,93,58,.35),transparent 55%),
    linear-gradient(160deg,#5E091B 0%,#7A0C24 45%,#9E1030 100%)}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);background-size:26px 26px;opacity:.5}
.hero-inner{position:relative;z-index:3;padding:80px 0}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.3em;color:var(--gold-light);
  border:1px solid rgba(201,162,75,.5);padding:9px 18px;border-radius:999px;background:rgba(201,162,75,.08);margin-bottom:28px}
.hero-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 5px rgba(201,162,75,.25);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(201,162,75,.22)}50%{box-shadow:0 0 0 9px rgba(201,162,75,.08)}}
.hero h1{font-size:clamp(38px,6.4vw,72px);font-weight:800;line-height:1.18;letter-spacing:.03em;text-shadow:0 4px 40px rgba(0,0,0,.25)}
.hero h1 .grad{background:linear-gradient(100deg,#F3DFAE 0%,#C9A24B 45%,#EBD9A6 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{max-width:560px;margin:26px 0 38px;color:rgba(255,255,255,.85);font-size:16.5px;line-height:2}
.hero-sub b{color:var(--gold-light)}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{display:flex;gap:clamp(24px,4vw,56px);margin-top:56px;flex-wrap:wrap}
.hero-stat .num{font-family:var(--serif);font-size:clamp(28px,3.4vw,40px);font-weight:800;color:var(--gold-light)}
.hero-stat .lbl{font-size:13px;letter-spacing:.12em;color:rgba(255,255,255,.72);margin-top:4px}
.hero-art{position:absolute;right:clamp(-40px,-3vw,0);top:50%;transform:translateY(-50%);width:min(44vw,560px);opacity:.95;pointer-events:none;z-index:2}
.hero-wave{position:absolute;bottom:-1px;left:0;right:0;z-index:3;color:var(--cream)}
.scroll-hint{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);z-index:4;color:rgba(255,255,255,.7);
  font-size:12px;letter-spacing:.3em;display:flex;flex-direction:column;align-items:center;gap:8px}
.scroll-hint::after{content:"";width:1px;height:34px;background:linear-gradient(180deg,rgba(255,255,255,.7),transparent);animation:drop 1.8s infinite}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top}60%{transform:scaleY(1);transform-origin:top}100%{transform:scaleY(0);transform-origin:bottom}}

/* 跑马灯认证条 */
.marquee{background:linear-gradient(90deg,var(--wine-dark),var(--wine));color:#fff;overflow:hidden;padding:15px 0;position:relative}
.marquee-track{display:flex;gap:0;width:max-content;animation:scrollX 30s linear infinite}
.marquee-track span{display:inline-flex;align-items:center;gap:12px;padding:0 30px;font-size:13.5px;letter-spacing:.14em;white-space:nowrap;color:rgba(255,255,255,.9)}
.marquee-track svg{width:16px;height:16px;color:var(--gold-light);flex-shrink:0}
@keyframes scrollX{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* 卡片通用 */
.card{background:var(--cream-card);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;transition:.4s var(--ease)}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lift);border-color:rgba(201,162,75,.5)}

/* 三大核心卖点 */
.feat-card{padding:clamp(28px,3vw,42px);position:relative;overflow:hidden}
.feat-card .no{font-family:var(--serif);font-size:54px;font-weight:800;color:transparent;-webkit-text-stroke:1.5px var(--gold);
  opacity:.55;position:absolute;top:18px;right:24px;line-height:1}
.feat-card h3{font-size:20px;color:var(--wine-deep);margin:18px 0 12px;display:flex;align-items:center;gap:10px}
.feat-card p{color:var(--ink-soft);font-size:14.5px}
.feat-icon{width:60px;height:60px;border-radius:16px;display:flex;align-items:center;justify-content:center;color:#fff;
  background:linear-gradient(135deg,var(--wine),var(--wine-dark));box-shadow:0 12px 24px -10px rgba(158,16,48,.5)}
.feat-icon.gold{background:linear-gradient(135deg,var(--gold),var(--gold-deep));box-shadow:0 12px 24px -10px rgba(201,162,75,.5)}
.feat-icon.leaf{background:linear-gradient(135deg,#3E7A4C,var(--leaf));box-shadow:0 12px 24px -10px rgba(46,93,58,.5)}
.feat-icon svg{width:28px;height:28px}

/* 产品卡片 */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.product-card .thumb{aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;background:linear-gradient(145deg,#FFFDF8,var(--cream-soft));position:relative;overflow:hidden}
.product-card .thumb .tag{position:absolute;top:16px;left:16px;background:linear-gradient(135deg,var(--wine),var(--wine-dark));color:#fff;
  font-size:12px;padding:5px 12px;border-radius:999px;z-index:2;letter-spacing:.06em}
.product-card .thumb .tag.gold{background:linear-gradient(135deg,var(--gold),var(--gold-deep))}
.product-card .thumb img,.product-card .thumb svg{width:72%;height:72%;object-fit:contain;transition:.5s var(--ease)}
.product-card:hover .thumb svg,.product-card:hover .thumb img{transform:scale(1.07) rotate(-2deg)}
.product-card .body{padding:22px 24px 26px}
.product-card .body h3{font-size:18.5px;color:var(--wine-deep);margin-bottom:6px}
.product-card .body .desc{font-size:13.5px;color:var(--ink-soft);min-height:42px}
.product-card .meta{display:flex;align-items:center;justify-content:space-between;margin-top:16px}
.product-card .price{font-family:var(--serif);color:var(--wine);font-weight:800;font-size:21px}
.product-card .price small{font-size:12px;color:var(--ink-soft);font-weight:400;font-family:var(--sans);margin-right:4px}
.product-card .link{color:var(--gold-deep);font-size:13px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.product-card .link svg{width:14px;height:14px;transition:.3s}
.product-card:hover .link svg{transform:translateX(4px)}

/* 基地展示 */
.base-card{background:var(--cream-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(26px,3vw,38px);transition:.35s var(--ease)}
.base-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lift)}
.base-card .ic{width:52px;height:52px;border-radius:14px;background:var(--cream-soft);display:flex;align-items:center;justify-content:center;color:var(--wine);margin-bottom:16px}
.base-card .ic svg{width:26px;height:26px}
.base-card h3{font-size:17px;color:var(--wine-deep);margin-bottom:8px}
.base-card p{font-size:13.5px;color:var(--ink-soft)}
.base-card .num{font-family:var(--serif);font-size:15px;color:var(--gold-deep);font-weight:700;margin-top:10px;display:block}

/* 数据大屏 */
.stat-card{text-align:center;padding:38px 18px}
.stat-card .num{font-family:var(--serif);font-size:clamp(34px,4.4vw,52px);font-weight:800;color:var(--gold-light);line-height:1}
.stat-card .num i{font-style:normal;font-size:.55em;margin-left:2px;vertical-align:top}
.stat-card .lbl{margin-top:12px;color:rgba(255,255,255,.8);font-size:14px;letter-spacing:.1em}
.stat-card .divider{width:30px;height:2px;background:var(--gold);margin:0 auto 6px;opacity:.8}

/* 认证徽章 */
.badge-row{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}
.badge{display:inline-flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:11px 22px;font-size:13.5px;font-weight:600;color:var(--ink);box-shadow:var(--shadow-soft)}
.badge .bic{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--gold-light),var(--gold));
  display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0}
.badge .bic svg{width:16px;height:16px}

/* 时间线 */
.timeline{position:relative;max-width:760px;margin:0 auto;padding-left:34px}
.timeline::before{content:"";position:absolute;left:10px;top:6px;bottom:6px;width:1px;background:linear-gradient(180deg,var(--gold),var(--line),transparent)}
.tl-item{position:relative;padding-bottom:40px}
.tl-item::before{content:"";position:absolute;left:-31px;top:6px;width:13px;height:13px;border-radius:50%;background:var(--cream);border:3px solid var(--gold);box-shadow:0 0 0 4px var(--cream-soft)}
.tl-item:last-child{padding-bottom:0}
.tl-item .year{font-family:var(--serif);color:var(--wine);font-weight:800;font-size:18px}
.tl-item h3{font-size:19px;color:var(--wine-deep);margin:6px 0 8px}
.tl-item p{color:var(--ink-soft);font-size:14.5px}

/* 文章卡片 */
.news-card{display:flex;flex-direction:column}
.news-card .cover{aspect-ratio:16/10;display:flex;align-items:center;justify-content:center;background:linear-gradient(145deg,var(--wine-dark),var(--wine));color:#fff;position:relative;overflow:hidden}
.news-card .cover svg{width:54%;height:54%;opacity:.95}
.news-card .cat{position:absolute;top:14px;left:14px;font-size:11.5px;letter-spacing:.08em;background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.35);padding:4px 11px;border-radius:999px;backdrop-filter:blur(6px)}
.news-card .body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1}
.news-card .date{font-size:12.5px;color:var(--gold-deep);letter-spacing:.08em;margin-bottom:8px}
.news-card h3{font-size:17px;color:var(--ink);line-height:1.5;transition:.25s}
.news-card:hover h3{color:var(--wine)}
.news-card p{font-size:13.5px;color:var(--ink-soft);margin-top:10px;flex:1}
.news-card .more{margin-top:16px;font-size:13px;color:var(--wine);font-weight:600}

/* FAQ 手风琴 */
.faq{max-width:820px;margin:0 auto}
.faq-item{background:var(--cream-card);border:1px solid var(--line);border-radius:var(--radius-md);margin-bottom:14px;overflow:hidden;transition:.3s}
.faq-item.open{border-color:rgba(201,162,75,.6);box-shadow:var(--shadow-soft)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 26px;text-align:left;
  font-family:var(--serif);font-size:16.5px;font-weight:700;color:var(--ink)}
.faq-q .ico{width:26px;height:26px;border-radius:50%;border:1.5px solid var(--gold);color:var(--gold-deep);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:.35s var(--ease);font-size:18px;line-height:1}
.faq-item.open .ico{transform:rotate(45deg);background:var(--wine);border-color:var(--wine);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .45s var(--ease)}
.faq-a p{padding:0 26px 24px;color:var(--ink-soft);font-size:14.5px}

/* CTA 大区 */
.cta-band{position:relative;overflow:hidden;color:#fff;text-align:center;
  background:radial-gradient(700px 400px at 15% 120%,rgba(46,93,58,.5),transparent 60%),
    radial-gradient(800px 450px at 85% -20%,rgba(201,162,75,.32),transparent 60%),
    linear-gradient(150deg,var(--wine-deep),var(--wine) 60%,#B4143A)}
.cta-band h2{font-size:clamp(26px,3.8vw,42px)}
.cta-band p{color:rgba(255,255,255,.8);max-width:560px;margin:16px auto 32px}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* 联系区块 */
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:28px}
.contact-info .ci{display:flex;gap:16px;padding:18px 0;border-bottom:1px dashed var(--line)}
.contact-info .ci:last-child{border:none}
.contact-info .ci .iic{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-info .ci .iic svg{width:22px;height:22px}
.contact-info .ci b{color:var(--wine-deep);font-family:var(--serif);font-size:16px;display:block}
.contact-info .ci span{color:var(--ink-soft);font-size:14px}
.map-ph{aspect-ratio:4/3;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(160deg,#F0E7D3,#F8F1E2);display:flex;align-items:center;justify-content:center;color:var(--gold-deep)}
.map-ph svg{width:46%;height:46%;opacity:.7}

/* 页脚 */
.site-footer{background:#1E1612;color:rgba(255,255,255,.68)}
.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px}
.footer-brand .logo .name{color:#fff}
.footer-brand p{font-size:13.5px;margin-top:16px;line-height:2;color:rgba(255,255,255,.6)}
.footer-col h4{color:var(--gold-light);font-size:14px;letter-spacing:.18em;margin-bottom:18px;font-family:var(--sans);font-weight:600}
.footer-col a{display:block;padding:6px 0;font-size:14px;color:rgba(255,255,255,.68);transition:.25s}
.footer-col a:hover{color:var(--gold-light);transform:translateX(4px)}
.footer-contact li{display:flex;gap:10px;padding:6px 0;font-size:14px}
.footer-contact svg{width:16px;height:16px;color:var(--gold);flex-shrink:0;margin-top:5px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;font-size:12.5px;color:rgba(255,255,255,.45);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.footer-bottom a{color:rgba(255,255,255,.55)}
.footer-bottom a:hover{color:var(--gold-light)}
.footer-icp{display:flex;gap:18px;flex-wrap:wrap}

/* 返回顶部 */
.to-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--wine),var(--wine-dark));
  color:#fff;display:flex;align-items:center;justify-content:center;z-index:90;box-shadow:var(--shadow-lift);
  opacity:0;visibility:hidden;transform:translateY(14px);transition:.35s var(--ease)}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{transform:translateY(-3px)}
.to-top svg{width:20px;height:20px}

/* 内页 Hero */
.page-hero{position:relative;color:#fff;padding:clamp(64px,8vw,110px) 0 90px;overflow:hidden;
  background:radial-gradient(800px 420px at 85% -30%,rgba(201,162,75,.3),transparent 60%),linear-gradient(150deg,#5E091B,#7A0C24 55%,#9E1030)}
.page-hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);background-size:24px 24px;opacity:.5}
.page-hero .wrap{position:relative;z-index:2}
.page-hero h1{font-size:clamp(30px,4.6vw,50px);margin-top:14px}
.page-hero p{color:rgba(255,255,255,.82);max-width:620px;margin-top:14px;font-size:15.5px}
.crumbs{display:flex;gap:8px;align-items:center;font-size:13px;color:rgba(255,255,255,.6)}
.crumbs a{color:rgba(255,255,255,.75)}
.crumbs a:hover{color:var(--gold-light)}
.crumbs i{font-style:normal;opacity:.5}
.visible-hr{display:none}

/* 产品详情页 */
.pd-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,64px);align-items:start}
.pd-gallery{position:sticky;top:110px}
.pd-main-img{aspect-ratio:1/1;border-radius:var(--radius-lg);border:1px solid var(--line);background:linear-gradient(150deg,#FFFDF8,var(--cream-soft));
  display:flex;align-items:center;justify-content:center;overflow:hidden;box-shadow:var(--shadow-soft)}
.pd-main-img svg{width:70%;height:70%}
.pd-tag{display:inline-flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.pd-tag span{font-size:12px;padding:5px 13px;border-radius:999px;border:1px solid rgba(201,162,75,.6);color:var(--gold-deep);letter-spacing:.05em}
.pd-tag span.solid{background:linear-gradient(135deg,var(--wine),var(--wine-dark));color:#fff;border:none}
.pd-info h1,.pd-info .pd-title{font-size:clamp(26px,3.4vw,38px);color:var(--wine-deep)}
.pd-info .subtitle{color:var(--ink-soft);margin-top:12px;font-size:15px}
.pd-price{margin:22px 0;padding:22px 0;border-top:1px dashed var(--line);border-bottom:1px dashed var(--line);display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.pd-price .now{font-family:var(--serif);font-size:42px;font-weight:800;color:var(--wine)}
.pd-price .now small{font-size:16px;font-family:var(--sans)}
.pd-price .old{font-size:16px;color:#B9AE9C;text-decoration:line-through;font-family:var(--serif)}
.pd-price .unit{font-size:13px;color:var(--ink-soft)}
.pd-spec{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:22px 0}
.pd-spec .sp{border:1px solid var(--line);border-radius:12px;padding:13px 16px;background:#fff;font-size:13.5px}
.pd-spec .sp b{color:var(--wine-deep);display:block;font-size:12px;letter-spacing:.08em;margin-bottom:3px;font-weight:600}
.pd-buy{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.pd-note{margin-top:18px;font-size:12.5px;color:var(--ink-soft);display:flex;gap:8px;align-items:center}
.pd-note svg{width:15px;height:15px;color:var(--gold-deep);flex-shrink:0}
.pd-section{margin-top:26px}
.pd-section h3{font-size:20px;color:var(--wine-deep);display:flex;align-items:center;gap:12px;margin-bottom:18px}
.pd-section h3::before{content:"";width:5px;height:22px;border-radius:3px;background:linear-gradient(180deg,var(--gold),var(--wine))}
.pd-article{color:var(--ink-soft);font-size:15px;line-height:2.1}
.pd-article p{margin-bottom:14px}
.pd-article b{color:var(--wine-deep)}
.pd-article ul{padding-left:4px}
.pd-article ul li{padding:7px 0 7px 24px;position:relative}
.pd-article ul li::before{content:"";position:absolute;left:4px;top:16px;width:8px;height:8px;border-top:1.5px solid var(--gold);border-right:1.5px solid var(--gold);transform:rotate(45deg)}
.pd-benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.pd-benefit{background:var(--cream-card);border:1px solid var(--line);border-radius:var(--radius-md);padding:24px 20px;text-align:center}
.pd-benefit .ib{width:46px;height:46px;border-radius:13px;margin:0 auto 12px;background:linear-gradient(135deg,var(--cream-soft),var(--gold-light));color:var(--wine);display:flex;align-items:center;justify-content:center}
.pd-benefit .ib svg{width:24px;height:24px}
.pd-benefit h4{font-size:15.5px;color:var(--wine-deep)}
.pd-benefit p{font-size:12.5px;color:var(--ink-soft);margin-top:6px}

/* 规格选择条 */
.spec-picker{margin:18px 0}
.spec-picker .lbl{font-size:13px;font-weight:600;color:var(--ink);margin-bottom:10px;letter-spacing:.06em}
.spec-picker .opts{display:flex;gap:10px;flex-wrap:wrap}
.spec-picker .opt{border:1.5px solid var(--line);border-radius:10px;padding:10px 18px;font-size:14px;background:#fff;transition:.25s}
.spec-picker .opt:hover{border-color:var(--gold)}
.spec-picker .opt.sel{border-color:var(--wine);color:var(--wine);background:#FFF5F0;box-shadow:0 6px 16px -8px rgba(158,16,48,.4)}

/* 文章页 */
.article-grid{display:grid;grid-template-columns:1fr 340px;gap:clamp(28px,4vw,56px)}
.article-card{background:var(--cream-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(26px,3vw,44px)}
.article-card h2{font-size:clamp(20px,2.6vw,28px);color:var(--wine-deep);margin:18px 0 14px;line-height:1.55}
.article-card .meta{display:flex;gap:18px;font-size:13px;color:var(--gold-deep);letter-spacing:.05em}
.article-card .lead{color:var(--ink-soft);font-size:15px;line-height:2.1}
.article-card .lead b{color:var(--wine)}
.article-card h3{font-size:18px;color:var(--wine-deep);margin:26px 0 12px;display:flex;align-items:center;gap:10px}
.article-card h3::before{content:"";width:4px;height:18px;border-radius:2px;background:linear-gradient(180deg,var(--gold),var(--wine))}
.side-sticky{position:sticky;top:110px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--cream-card);border:1px solid var(--line);border-radius:var(--radius-md);padding:24px}
.side-card h4{font-size:16px;color:var(--wine-deep);margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:8px}
.side-card h4 svg{width:18px;height:18px;color:var(--gold-deep)}
.side-list a{display:flex;justify-content:space-between;gap:10px;padding:9px 0;font-size:13.5px;color:var(--ink-soft);border-bottom:1px dashed var(--line);transition:.2s}
.side-list a:hover{color:var(--wine)}
.side-list a em{font-style:normal;font-size:11.5px;color:var(--gold-deep);flex-shrink:0}
.side-pro{background:linear-gradient(150deg,var(--wine-dark),var(--wine));color:#fff;border:none;text-align:center}
.side-pro h4{color:var(--gold-light);border-color:rgba(255,255,255,.2)}
.side-pro p{font-size:13px;color:rgba(255,255,255,.8);margin-bottom:16px;line-height:1.9}
.side-pro .btn{width:100%;justify-content:center}

/* 展示 / 品牌页区块 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:center}
.split .art{aspect-ratio:4/3;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(150deg,#F0E7D3,#F8F1E2);display:flex;align-items:center;justify-content:center;color:var(--gold-deep);box-shadow:var(--shadow-soft)}
.split .art svg{width:52%;height:52%}
.split h3{font-size:clamp(22px,3vw,32px);color:var(--wine-deep);line-height:1.5}
.split .lead{margin-top:16px;color:var(--ink-soft);font-size:15px;line-height:2.1}
.split .lead b{color:var(--wine)}
.split .ticks{margin-top:22px;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.split .ticks li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--ink)}
.split .ticks li svg{width:18px;height:18px;color:var(--gold-deep);flex-shrink:0;margin-top:4px}

/* 可滚动横向产品条 */
.scroll-row{display:flex;gap:22px;overflow-x:auto;padding-bottom:16px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.scroll-row .product-card{min-width:300px;scroll-snap-align:start;flex-shrink:0}
.scroll-row::-webkit-scrollbar{height:6px}
.scroll-row::-webkit-scrollbar-thumb{background:var(--gold);border-radius:6px}

/* 表单 */
.form-card{background:var(--cream-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(26px,3vw,44px);box-shadow:var(--shadow-soft)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;font-weight:600;color:var(--ink);letter-spacing:.04em}
.field input,.field textarea,.field select{font-family:inherit;font-size:14.5px;padding:13px 16px;border:1.5px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);transition:.25s;width:100%}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 4px rgba(201,162,75,.15)}
.field textarea{min-height:130px;resize:vertical}
.form-note{font-size:12.5px;color:var(--ink-soft);margin-top:14px;display:flex;gap:6px;align-items:center}

/* 滚动显现动画 */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal-d1{transition-delay:.08s}.reveal-d2{transition-delay:.16s}.reveal-d3{transition-delay:.24s}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.marquee-track,.scroll-hint::after{animation:none}}

/* 响应式 */
@media (max-width:1024px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .hero-art{opacity:.5;width:52vw}
  .split{grid-template-columns:1fr}
  .article-grid{grid-template-columns:1fr}
  .side-sticky{position:static}
  .footer-main{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
  .pd-grid{grid-template-columns:1fr}
  .pd-gallery{position:static}
  .pd-benefits{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:768px){
  .topbar .right{display:none}
  .nav{height:64px}
  .nav-list{position:fixed;inset:0;background:rgba(250,245,236,.98);backdrop-filter:blur(16px);
    flex-direction:column;justify-content:center;gap:8px;z-index:99;opacity:0;visibility:hidden;transition:.35s var(--ease)}
  body.menu-open .nav-list{opacity:1;visibility:visible}
  .nav-list > li > a{font-size:19px;padding:12px 20px}
  .has-sub .sub{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:none;min-width:0;padding:0 0 6px}
  .nav-cta{display:none}
  .nav-burger{display:flex}
  .grid-3,.grid-4{grid-template-columns:1fr}
  .pd-benefits{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .hero{min-height:auto}
  .hero-inner{padding:60px 0}
  .hero-stat .num{font-size:26px}
  .scroll-hint{display:none}
  .footer-main{grid-template-columns:1fr}
  .split .ticks{grid-template-columns:1fr}
  .pd-spec{grid-template-columns:1fr}
}
@media (max-width:480px){
  .section-head h2{font-size:26px}
  .topbar{font-size:11.5px}
  .topbar .wrap{justify-content:center;text-align:center}
  .hero h1{font-size:34px}
}