/* ==========================================================================
   山东兰舜生物科技有限公司 · 企业官网样式
   设计语言：深海军蓝 + 品牌蓝 + 暖金，克制留白，工程感与宠物亲和力并重
   ========================================================================== */

:root{
  --ink:#0B1B2B;
  --navy:#0A2C48;
  --navy-deep:#071B2E;
  --brand:#1859A6;
  --brand-light:#2F7BCB;
  --gold:#F2B705;
  --gold-soft:#F7D777;
  --paper:#FFFFFF;
  --sand:#F7F4EE;
  --sand-2:#EFEAE0;
  --line:#E3DDD1;
  --line-dark:rgba(255,255,255,.14);
  --text:#1C2A38;
  --muted:#5E6E7C;
  --muted-2:#8794A0;
  --radius:4px;
  --shadow-sm:0 1px 2px rgba(12,32,54,.06),0 8px 24px -12px rgba(12,32,54,.14);
  --shadow-md:0 2px 4px rgba(12,32,54,.05),0 24px 48px -24px rgba(12,32,54,.28);
  --container:1200px;
  --font: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --serif: Georgia,"Songti SC","Noto Serif SC",serif;
  --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;
  font-family:var(--font);
  color:var(--text);
  background:var(--paper);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul{list-style:none;padding:0}
button{font-family:inherit}
::selection{background:var(--gold);color:var(--ink)}

/* ---------- 通用布局 ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:clamp(56px,7vw,104px) 0}
.section--tight{padding:clamp(40px,5vw,72px) 0}
.section--sand{background:var(--sand)}
.section--dark{background:var(--navy-deep);color:#fff}
.section--dark .lead{color:rgba(255,255,255,.72)}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--serif);
  font-size:12px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--brand);font-weight:600;
}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--gold)}
.section--dark .eyebrow{color:var(--gold-soft)}
.section--dark .eyebrow::before{background:var(--gold-soft)}

.section-head{max-width:820px;margin-bottom:clamp(32px,4vw,52px)}
.section-head h2{
  margin-top:14px;
  font-size:clamp(26px,3.2vw,40px);
  line-height:1.3;
  letter-spacing:-.01em;
  font-weight:700;
  color:var(--ink);
}
.section--dark .section-head h2{color:#fff}
.section-head .lead{margin-top:16px;color:var(--muted);font-size:clamp(15px,1.2vw,17px);max-width:680px}
.lead{color:var(--muted)}

.split-head{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:end}
.split-head .section-head{margin-bottom:clamp(32px,4vw,52px)}

.grid{display:grid;gap:clamp(16px,2vw,24px)}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.g-6{grid-template-columns:repeat(6,1fr)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 26px;border-radius:2px;
  font-size:14px;font-weight:600;letter-spacing:.04em;
  border:1px solid transparent;cursor:pointer;
  transition:all .3s var(--ease);
  white-space:nowrap;
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 12px 28px -14px rgba(24,89,166,.7)}
.btn--primary:hover{background:#134a8c;transform:translateY(-1px);box-shadow:0 18px 32px -14px rgba(24,89,166,.6)}
.btn--gold{background:var(--gold);color:#241A00}
.btn--gold:hover{background:#ffc71f;transform:translateY(-1px)}
.btn--ghost{border-color:rgba(255,255,255,.4);color:#fff}
.btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn--outline{border-color:var(--line);color:var(--ink);background:#fff}
.btn--outline:hover{border-color:var(--brand);color:var(--brand)}
.btn .arw{font-size:16px;line-height:1;transition:transform .3s var(--ease)}
.btn:hover .arw{transform:translateX(4px)}

/* ---------- 顶栏 ---------- */
.utility{
  background:var(--navy-deep);color:rgba(255,255,255,.72);
  font-size:12.5px;letter-spacing:.04em;
}
.utility .container{display:flex;justify-content:space-between;align-items:center;height:38px;gap:16px}
.utility a{color:rgba(255,255,255,.86);transition:color .2s}
.utility a:hover{color:var(--gold-soft)}
.utility__left{display:flex;gap:18px;align-items:center}
.utility__tag{color:var(--gold-soft)}

.header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(160%) blur(12px);
  -webkit-backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid rgba(227,221,209,.7);
  transition:height .3s var(--ease),box-shadow .3s var(--ease);
}
.header.is-scrolled{box-shadow:0 8px 30px -18px rgba(10,44,72,.35)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:76px;transition:height .3s var(--ease)}
.header.is-scrolled .container{height:64px}
.brand{display:flex;align-items:center;gap:0;flex:0 0 auto}
.brand img{height:34px;width:auto}
.header.is-scrolled .brand img{height:30px}

.nav{display:flex;align-items:center;gap:2px}
.nav a{
  position:relative;padding:10px 16px;font-size:14.5px;font-weight:500;color:#22384B;
  transition:color .2s;
}
.nav a::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;
  background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
}
.nav a:hover{color:var(--brand)}
.nav a:hover::after{transform:scaleX(1)}
.nav a[aria-current="page"]{color:var(--brand);font-weight:700}
.nav a[aria-current="page"]::after{transform:scaleX(1)}
.header__cta{display:flex;align-items:center;gap:14px}
.header__phone{display:flex;flex-direction:column;line-height:1.25;text-align:right}
.header__phone span{font-size:11px;color:var(--muted-2);letter-spacing:.08em}
.header__phone b{font-size:16px;color:var(--ink);font-family:var(--serif);letter-spacing:.02em}

.menu-btn{
  display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;cursor:pointer;border-radius:2px;
}
.menu-btn span{display:block;width:20px;height:1.5px;background:var(--ink);position:relative;transition:.3s}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0;width:20px;height:1.5px;background:var(--ink);transition:.3s}
.menu-btn span::before{top:-6px}
.menu-btn span::after{top:6px}

.mobile-nav{
  position:fixed;inset:0;z-index:70;background:var(--navy-deep);color:#fff;
  padding:28px;display:none;flex-direction:column;
}
.mobile-nav.is-open{display:flex}
.mobile-nav__top{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}
.mobile-nav img{height:30px}
.mobile-nav__close{background:none;border:1px solid rgba(255,255,255,.3);color:#fff;width:40px;height:40px;font-size:20px;cursor:pointer;border-radius:2px}
.mobile-nav nav{display:flex;flex-direction:column;gap:4px}
.mobile-nav nav a{font-size:19px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.mobile-nav nav a span{color:var(--gold-soft);font-family:var(--serif);font-size:12px;margin-right:14px;letter-spacing:.1em}
.mobile-nav__foot{margin-top:auto;padding-top:24px;font-size:13px;color:rgba(255,255,255,.7)}
.mobile-nav__foot b{display:block;font-size:24px;color:#fff;font-family:var(--serif);margin-top:6px}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--navy-deep);color:#fff;overflow:hidden;isolation:isolate}
.hero__bg{position:absolute;inset:0;z-index:-2}
.hero__bg img{width:100%;height:100%;object-fit:cover;object-position:38% 50%}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(95deg,rgba(7,27,46,.30) 0%,rgba(7,27,46,.62) 38%,rgba(7,27,46,.90) 66%,rgba(7,27,46,.97) 100%),
    radial-gradient(120% 90% at 15% 60%,rgba(7,27,46,0) 0%,rgba(7,27,46,.55) 100%);
}
.hero .container{position:relative;padding-top:clamp(64px,10vh,120px);padding-bottom:clamp(28px,4vh,48px)}
.hero__inner{max-width:640px;margin-left:auto}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:12px;font-family:var(--serif);
  font-size:12px;letter-spacing:.26em;text-transform:uppercase;color:var(--gold-soft);
}
.hero__eyebrow::before{content:"";width:36px;height:1px;background:var(--gold-soft)}
.hero h1{
  margin-top:22px;
  font-size:clamp(38px,5.2vw,66px);
  line-height:1.18;letter-spacing:.02em;font-weight:700;
}
.hero h1 em{font-style:normal;color:var(--gold-soft)}
.hero__lead{
  margin-top:22px;font-size:clamp(15px,1.3vw,17.5px);
  color:rgba(255,255,255,.8);max-width:560px;
}
.hero__lead b{color:#fff;font-weight:600}
.hero__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.hero__tags span{
  font-size:12.5px;letter-spacing:.06em;padding:6px 12px;
  border:1px solid rgba(255,255,255,.26);color:rgba(255,255,255,.85);
}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero__stats{
  margin-top:clamp(40px,7vh,72px);
  border-top:1px solid var(--line-dark);
  display:grid;grid-template-columns:repeat(4,1fr);
}
.hero__stats .item{padding:22px 8px 0;border-right:1px solid var(--line-dark)}
.hero__stats .item:last-child{border-right:0}
.stat-num{font-family:var(--serif);font-size:clamp(24px,2.6vw,34px);color:#fff;line-height:1.1}
.stat-num small{font-size:14px;margin-left:3px;color:var(--gold-soft);font-family:var(--font);font-weight:600}
.stat-label{font-size:12.5px;color:rgba(255,255,255,.6);margin-top:6px;letter-spacing:.06em}

/* ---------- 内页 Hero ---------- */
.page-hero{position:relative;background:var(--navy-deep);color:#fff;overflow:hidden}
.page-hero__bg{position:absolute;inset:0;z-index:0}
.page-hero__bg img{width:100%;height:100%;object-fit:cover;filter:saturate(.9)}
.page-hero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,27,46,.97) 0%,rgba(7,27,46,.86) 34%,rgba(7,27,46,.55) 62%,rgba(7,27,46,.3) 100%)}
.page-hero .container{padding-top:clamp(56px,8vw,92px);padding-bottom:clamp(40px,6vw,64px);position:relative;z-index:2}
.crumbs{display:flex;gap:8px;font-size:12.5px;color:rgba(255,255,255,.6);letter-spacing:.05em}
.crumbs a{color:rgba(255,255,255,.78)}
.crumbs a:hover{color:var(--gold-soft)}
.crumbs span{opacity:.5}
.page-hero h1{margin-top:20px;font-size:clamp(30px,4vw,50px);line-height:1.25;font-weight:700;letter-spacing:.01em}
.page-hero__lead{margin-top:16px;max-width:720px;color:rgba(255,255,255,.78);font-size:clamp(15px,1.2vw,17px)}

/* ---------- 卡片 ---------- */
.card{
  background:#fff;border:1px solid var(--line);padding:clamp(24px,2.4vw,34px);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s;
  position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#D6CFC1}
.card__no{font-family:var(--serif);font-size:13px;letter-spacing:.18em;color:var(--muted-2)}
.card h3{font-size:19px;margin-top:12px;color:var(--ink);font-weight:700}
.card p{margin-top:10px;color:var(--muted);font-size:14.5px;line-height:1.8}
.card__icon{width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--line);color:var(--brand)}
.card--accent{border-top:2px solid var(--gold)}

/* 图片卡 */
.media-card{background:#fff;border:1px solid var(--line);overflow:hidden;display:flex;flex-direction:column}
.media-card__img{position:relative;overflow:hidden;aspect-ratio:4/3;background:var(--sand)}
.media-card__img img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.media-card:hover .media-card__img img{transform:scale(1.05)}
.media-card__body{padding:22px 24px 26px}
.media-card__body h3{font-size:18px;font-weight:700;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:12px}
.media-card__body h3 i{font-style:normal;font-family:var(--serif);color:var(--gold);font-size:13px;letter-spacing:.1em}
.media-card__body p{margin-top:8px;font-size:14px;color:var(--muted)}
.media-card__tag{position:absolute;left:16px;top:16px;background:rgba(7,27,46,.82);color:#fff;font-size:11.5px;letter-spacing:.14em;padding:5px 10px;text-transform:uppercase}

/* ---------- 剂型矩阵 ---------- */
.forms-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,1.6vw,20px)}
.form-tile{position:relative;display:block;overflow:hidden;background:#000;isolation:isolate}
.form-tile img{aspect-ratio:4/3;width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease),filter .5s}
.form-tile::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,27,46,.05) 30%,rgba(7,27,46,.85) 100%);transition:background .4s}
.form-tile:hover img{transform:scale(1.06)}
.form-tile__text{position:absolute;left:24px;right:24px;bottom:22px;color:#fff;z-index:2}
.form-tile__text span{font-family:var(--serif);font-size:11.5px;letter-spacing:.2em;color:var(--gold-soft)}
.form-tile__text h3{margin-top:6px;font-size:22px;font-weight:700;display:flex;align-items:center;gap:10px}
.form-tile__text h3 em{font-style:normal;font-size:13px;color:rgba(255,255,255,.72);font-weight:400}
.form-tile__text .more{margin-top:8px;font-size:12.5px;color:rgba(255,255,255,.7);display:flex;align-items:center;gap:6px;opacity:0;transform:translateY(6px);transition:.4s var(--ease)}
.form-tile:hover .more{opacity:1;transform:none}

/* ---------- 图片 + 文案 ---------- */
.feature{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,72px);align-items:center}
.feature--rev .feature__media{order:2}
.feature__media{figure{margin:0}}
.feature__media img{width:100%;object-fit:cover;display:block}
.feature__media--stack img{aspect-ratio:4/3}
.feature__body h2{font-size:clamp(24px,2.6vw,34px);line-height:1.35;color:var(--ink);font-weight:700;margin-top:14px}
.feature__body .lead{margin-top:16px}
.feature__list{margin-top:22px;display:grid;gap:14px}
.feature__list li{display:flex;gap:14px;align-items:flex-start;font-size:14.5px;color:var(--muted)}
.feature__list li b{display:block;color:var(--ink);font-weight:600;font-size:15px;margin-bottom:2px}
.feature__list .dot{flex:0 0 8px;width:8px;height:8px;margin-top:8px;background:var(--gold);transform:rotate(45deg)}
.kv{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.kv span{font-size:12.5px;padding:6px 12px;background:var(--sand);color:#41586B;border:1px solid var(--line)}
.section--dark .kv span{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);color:rgba(255,255,255,.82)}

/* ---------- 数字条 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(255,255,255,.16)}
.metrics .cell{padding:26px 18px;border-right:1px solid rgba(255,255,255,.16)}
.metrics .cell:last-child{border-right:0}
.metrics .num{font-family:var(--serif);font-size:clamp(28px,3vw,40px);line-height:1.1}
.metrics .num small{font-size:14px;color:var(--gold-soft);margin-left:2px;font-family:var(--font)}
.metrics .cap{font-size:12.5px;letter-spacing:.08em;color:rgba(255,255,255,.6);margin-top:8px}

/* ---------- 证书墙 ---------- */
.certs{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cert{
  background:#fff;border:1px solid var(--line);padding:14px;cursor:zoom-in;
  transition:transform .3s var(--ease),box-shadow .3s;
}
.cert:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.cert img{width:100%;aspect-ratio:3/4;object-fit:contain;background:var(--sand)}
.cert figcaption{font-size:12.5px;color:var(--muted);margin-top:10px;text-align:center;letter-spacing:.04em}

/* 认证条 */
.logo-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.logo-strip .item{background:#fff;padding:24px 18px;text-align:center;display:flex;flex-direction:column;gap:6px;justify-content:center}
.logo-strip .item b{font-family:var(--serif);font-size:15px;letter-spacing:.08em;color:var(--ink)}
.logo-strip .item span{font-size:12px;color:var(--muted-2);letter-spacing:.05em}

/* ---------- 剂型详情段 ---------- */
.form-section{padding:clamp(48px,6vw,84px) 0;border-top:1px solid var(--line)}
.form-section__head{display:flex;align-items:baseline;gap:18px;margin-bottom:28px}
.form-section__idx{font-family:var(--serif);font-size:clamp(28px,3vw,44px);color:var(--gold);line-height:1}
.form-section__head h2{font-size:clamp(24px,2.6vw,34px);color:var(--ink);font-weight:700}
.form-section__head em{font-style:normal;font-family:var(--serif);font-size:12px;letter-spacing:.18em;color:var(--muted-2);text-transform:uppercase}
.form-section__body{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(24px,4vw,56px);align-items:start}
.form-section__gallery{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-section__gallery figure{overflow:hidden;background:var(--sand)}
.form-section__gallery img{width:100%;height:100%;object-fit:cover;aspect-ratio:1;transition:transform .6s var(--ease)}
.form-section__gallery figure:hover img{transform:scale(1.05)}
.form-section__gallery .wide{grid-column:span 2}
.form-section__text h3{font-size:15px;font-weight:600;color:var(--ink);letter-spacing:.02em;margin-bottom:8px}
.form-section__text p{color:var(--muted);font-size:14.5px}
.spec-list{display:grid;gap:8px;margin-top:6px}
.spec-list li{display:flex;gap:10px;font-size:14px;color:var(--muted);line-height:1.7}
.spec-list li i{font-style:normal;color:var(--brand);font-weight:700}

/* ---------- 流程 ---------- */
.process{display:grid;grid-template-columns:repeat(6,1fr);gap:0;margin-top:8px}
.step{padding:24px 18px 20px;border-top:2px solid var(--line);position:relative;transition:border-color .3s}
.step:hover{border-color:var(--brand)}
.step::before{content:"";position:absolute;left:18px;top:-7px;width:12px;height:12px;background:var(--gold);transform:rotate(45deg);opacity:0;transition:.3s}
.step:hover::before{opacity:1}
.step b{font-family:var(--serif);font-size:12px;letter-spacing:.16em;color:var(--muted-2)}
.step h4{margin-top:8px;font-size:16px;color:var(--ink);font-weight:700}
.step p{margin-top:8px;font-size:13px;color:var(--muted);line-height:1.75}

/* ---------- CTA 条 ---------- */
.cta-band{position:relative;background:var(--navy);color:#fff;overflow:hidden}
.cta-band__bg{position:absolute;inset:0;z-index:0}
.cta-band__bg img{width:100%;height:100%;object-fit:cover;opacity:.22}
.cta-band__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,44,72,.96),rgba(10,44,72,.72))}
.cta-band .container{position:relative;z-index:1;padding:clamp(44px,5.5vw,76px) 24px;display:grid;grid-template-columns:1.2fr auto;gap:32px;align-items:center}
.cta-band h2{font-size:clamp(24px,2.8vw,36px);line-height:1.35;font-weight:700}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.76);font-size:15px;max-width:620px}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.footer{background:var(--navy-deep);color:rgba(255,255,255,.7);padding:clamp(48px,5vw,72px) 0 0}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:clamp(24px,4vw,56px);padding-bottom:44px}
.footer__brand img{height:40px;margin-bottom:18px}
.footer__brand p{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.62);max-width:300px}
.footer h4{font-size:13px;letter-spacing:.16em;color:#fff;font-weight:600;margin-bottom:18px;text-transform:uppercase;font-family:var(--serif)}
.footer ul{display:grid;gap:10px}
.footer ul a{font-size:13.5px;color:rgba(255,255,255,.66);transition:color .2s}
.footer ul a:hover{color:var(--gold-soft)}
.footer__contact li{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.66);display:flex;gap:10px}
.footer__contact li b{display:block;color:#fff;font-weight:600}
.footer__contact .tel{font-family:var(--serif);font-size:20px;color:#fff;letter-spacing:.02em}
.footer__bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.45)}
.footer__bottom a{color:rgba(255,255,255,.55)}

/* ---------- 联系页 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,64px);align-items:start}
.contact-card{background:#fff;border:1px solid var(--line);padding:clamp(24px,3vw,38px)}
.contact-item{display:flex;gap:16px;padding:18px 0;border-bottom:1px dashed var(--line)}
.contact-item:last-child{border-bottom:0;padding-bottom:0}
.contact-item .k{flex:0 0 84px;font-size:12.5px;letter-spacing:.1em;color:var(--muted-2);padding-top:3px}
.contact-item .v{font-size:15px;color:var(--ink);line-height:1.8}
.contact-item .v small{display:block;font-size:12.5px;color:var(--muted);margin-top:4px}
.contact-item .v a{color:var(--ink);border-bottom:1px solid rgba(24,89,166,.3)}
.contact-item .v a:hover{color:var(--brand);border-color:var(--brand)}

.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:span 2}
.field label{font-size:12.5px;color:var(--muted);letter-spacing:.06em}
.field input,.field textarea,.field select{
  font-family:inherit;font-size:14.5px;color:var(--ink);
  padding:12px 14px;border:1px solid var(--line);background:#FCFBF8;outline:none;
  transition:border-color .2s,background .2s;
}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--brand);background:#fff}
.field textarea{min-height:120px;resize:vertical}
.form-note{font-size:12px;color:var(--muted-2);margin-top:12px;line-height:1.7}
.form-status{font-size:13px;margin-top:12px;color:var(--brand)}

.map-card{position:relative;overflow:hidden;border:1px solid var(--line);background:var(--sand)}
.map-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.map-card__overlay{position:absolute;left:0;right:0;bottom:0;padding:18px 22px;background:linear-gradient(0deg,rgba(7,27,46,.9),rgba(7,27,46,0));color:#fff;display:flex;justify-content:space-between;align-items:center;gap:16px}
.map-card__overlay p{font-size:13px;color:rgba(255,255,255,.8)}
.map-card__overlay b{font-size:14px}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:0;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:20px 0;cursor:pointer}
.faq summary{list-style:none;display:flex;justify-content:space-between;gap:16px;font-size:15.5px;font-weight:600;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary .plus{color:var(--brand);font-family:var(--serif);transition:transform .3s}
.faq details[open] summary .plus{transform:rotate(45deg)}
.faq details p{margin-top:12px;color:var(--muted);font-size:14px;line-height:1.85;max-width:820px}

/* ---------- 时间线 ---------- */
.timeline{display:grid;gap:0;margin-top:8px}
.tl-item{display:grid;grid-template-columns:110px 1fr;gap:24px;padding:22px 0;border-top:1px solid var(--line)}
.tl-item .year{font-family:var(--serif);font-size:13px;letter-spacing:.14em;color:var(--brand)}
.tl-item h4{font-size:16px;color:var(--ink);font-weight:700}
.tl-item p{margin-top:6px;font-size:14px;color:var(--muted)}

/* ---------- 灯箱 ---------- */
.lightbox{position:fixed;inset:0;z-index:90;background:rgba(6,20,34,.94);display:none;align-items:center;justify-content:center;padding:32px}
.lightbox.is-open{display:flex}
.lightbox img{max-width:90vw;max-height:86vh;object-fit:contain;background:#fff}
.lightbox button{position:absolute;top:24px;right:28px;background:none;border:1px solid rgba(255,255,255,.4);color:#fff;width:44px;height:44px;font-size:22px;cursor:pointer}

/* ---------- 滚动动效 ---------- */
[data-reveal]{opacity:0;transform:translateY(16px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  [data-reveal]{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .footer__grid{grid-template-columns:1fr 1fr;gap:36px}
  .forms-grid{grid-template-columns:repeat(2,1fr)}
  .process{grid-template-columns:repeat(3,1fr)}
  .certs{grid-template-columns:repeat(3,1fr)}
  .logo-strip{grid-template-columns:repeat(3,1fr)}
  .hero__inner{max-width:560px}
  .nav{display:none}
  .header__cta .header__phone{display:none}
  .menu-btn{display:inline-flex}
}
@media (max-width:860px){
  .utility__left span:last-child{display:none}
  .hero__stats{grid-template-columns:repeat(2,1fr)}
  .hero__stats .item:nth-child(2){border-right:0}
  .hero__stats .item:nth-child(n+3){border-top:1px solid var(--line-dark)}
  .feature{grid-template-columns:1fr}
  .feature--rev .feature__media{order:0}
  .form-section__body{grid-template-columns:1fr}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .metrics .cell:nth-child(2){border-right:0}
  .metrics .cell:nth-child(n+3){border-top:1px solid rgba(255,255,255,.16)}
  .contact-grid{grid-template-columns:1fr}
  .cta-band .container{grid-template-columns:1fr}
  .g-3,.g-4{grid-template-columns:repeat(2,1fr)}
  .split-head{grid-template-columns:1fr}
}
@media (max-width:600px){
  .utility .container{height:auto;padding:8px 0;justify-content:center}
  .utility__left{display:none}
  .utility__right{font-size:12px;letter-spacing:.02em}
  .header .container{height:64px}
  .hero__bg{height:340px;bottom:auto}
  .hero__bg img{object-position:center 18%}
  .hero__bg::after{background:linear-gradient(180deg,rgba(7,27,46,.10) 0%,rgba(7,27,46,.45) 55%,var(--navy-deep) 100%)}
  .hero .container{padding-top:376px}
  .hero__inner{margin-left:0}
  .hero__stats{margin-top:32px}
  .form-tile__text{left:18px;right:18px;bottom:16px}
  .form-tile__text h3{font-size:18px}
  .brand img{height:28px}
  .hero h1{font-size:34px}
  .forms-grid{grid-template-columns:1fr}
  .g-2,.g-3,.g-4,.g-6{grid-template-columns:1fr}
  .certs{grid-template-columns:repeat(2,1fr)}
  .logo-strip{grid-template-columns:repeat(2,1fr)}
  .process{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .field.full{grid-column:span 1}
  .footer__grid{grid-template-columns:1fr}
  .tl-item{grid-template-columns:1fr;gap:6px}
  .hero__stats{grid-template-columns:1fr 1fr}
  .form-section__head{gap:12px}
}

/* 快捷锚点导航 */
.quicknav{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.quicknav__label{font-size:12.5px;letter-spacing:.12em;color:var(--muted-2);margin-right:8px}
.quicknav a{
  font-size:13px;padding:7px 14px;background:#fff;border:1px solid var(--line);
  color:#41586B;transition:all .25s var(--ease);
}
.quicknav a:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}