/* ==========================================================================
   弘博士 DR.HONG — 官网样式
   结构：css/style.css（本文件）
   设计基调：蓝白主色 + 红色点缀，专业制造企业风
   ========================================================================== */

/* ---------- 设计变量 ---------- */
:root{
  --navy:        #0E2A52;   /* 深藏青：主色 */
  --blue:        #2B558D;   /* 导航蓝 */
  --blue-2:      #1D4E9E;
  --accent:      #D64541;   /* 品牌红：按钮/图标 */
  --dark:        #101A2C;   /* 深色区块 */
  --teal-dark:   #122E3C;   /* 认证区块深青 */
  --light:       #F4F6FA;   /* 浅灰蓝背景 */
  --white:       #FFFFFF;
  --ink:         #1B2430;   /* 正文 */
  --muted:       #5C6672;
  --line:        #E3E8F0;
  --radius:      14px;
  --shadow:      0 10px 30px rgba(14,42,82,.10);
  --container:   1200px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

/* ---------- 基础 ---------- */
*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
button{ font-family:inherit; cursor:pointer; border:none; background:none; }
h1,h2,h3{ line-height:1.2; font-weight:800; letter-spacing:-.01em; }

.container{ width:100%; max-width:var(--container); margin:0 auto; padding:0 24px; }

/* 图片延迟加载占位 */
img[data-src]{
  background:#e8edf4;
  opacity:0;
  transition:opacity .6s ease, transform .8s ease;
}
img[data-src].loaded{ opacity:1; }

/* 防止无 src 图片（延迟加载中）按 width 属性撑开 Grid 子项导致横向溢出 */
.solutions-layout, .solutions-cards, .cap-grid, .steps, .cert-grid,
.cert-gallery-grid, .stages-grid, .brand-logos, .scale-grid, .workshop-grid,
.partnership-inner, .footer-inner, .stats-grid, .form-row, .contact-layout,
.cocreation-inner, .brands-head, .stages-head, .quote-inner, .explore-inner,
.solutions-layout > *, .solutions-cards > *, .cap-grid > *, .steps > *,
.cert-grid > *, .cert-gallery-grid > *, .stages-grid > *, .brand-logos > *,
.scale-grid > *, .workshop-grid > *, .partnership-inner > *, .footer-inner > *,
.stats-grid > *, .form-row > *, .contact-layout > *, .cocreation-inner > *,
.brands-head > *, .stages-head > *, .quote-inner > *, .explore-inner > *,
.cap-media, .sol-media, .step-media, .slide-img, .partnership-media, .scale-item{
  min-width:0;
}
/* 图片在各自媒体容器内始终按容器宽度显示，避免撑破布局 */
.cap-media img, .sol-media img, .step-media img, .slide-img img,
.partnership-media img, .cert-card img, .cert-gallery-grid img,
.workshop-grid img, .stage-card img{ width:100%; }

/* 区块标题通用 */
.kicker{
  font-size:13px; font-weight:800; letter-spacing:.18em;
  color:var(--accent); text-transform:uppercase;
}
.kicker.dark{ color:#7f9fd5; }
.section-head{ max-width:720px; margin:0 auto 48px; text-align:center; }
.section-head h2{ font-size:clamp(26px,3.4vw,40px); color:var(--navy); }
.section-head p{ margin-top:14px; color:var(--muted); font-size:16px; }
.section-head.light h2{ color:var(--white); }
.section-head.light p{ color:#aebfd8; }

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:13px 26px; border-radius:40px;
  font-weight:800; font-size:14px; letter-spacing:.06em;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn-primary{ background:var(--blue-2); color:#fff; }
.btn-primary:hover{ background:var(--navy); transform:translateY(-2px); box-shadow:0 10px 24px rgba(14,42,82,.35); }
.btn-accent{ background:var(--accent); color:#fff; }
.btn-accent:hover{ background:#b93632; transform:translateY(-2px); box-shadow:0 10px 24px rgba(214,69,65,.35); }
.btn-ghost{ border:1px solid rgba(255,255,255,.6); color:#fff; background:transparent; }
.btn-ghost:hover{ background:rgba(255,255,255,.14); }
.btn-block{ width:100%; }

/* ==========================================================================
   顶部导航
   ========================================================================== */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:100;
 backdrop-filter:blur(10px);
  transition:background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled{ background:linear-gradient(105deg, rgba(10,26,52,.86) 0%, rgba(14,42,82,.55) 45%, rgba(14,42,82,.18) 100%); box-shadow:0 4px 20px rgba(0,0,0,.25); }
.header-inner{ display:flex; align-items:center; justify-content:space-between; height:72px; }

.brand{ display:inline-flex; align-items:center; gap:10px; color:#fff; }
.brand img{ display:block; width:150px; height:50px; }
.brand-badge{ color:#fff; display:inline-flex; }
.brand-text{ font-size:20px; font-weight:800; color:#fff; line-height:1; }
.brand-text em{ display:block; font-style:normal; font-size:11px; letter-spacing:.42em; color:#9db8e0; margin-top:2px; }

.main-nav ul{ display:flex; gap:34px; }
.main-nav a{
  color:#dce7f5; font-size:13px; font-weight:700; letter-spacing:.12em;
  position:relative; padding:6px 0;
}
.main-nav a::after{
  content:""; position:absolute; left:0; bottom:0; width:0; height:2px;
  background:var(--accent); transition:width .25s ease;
}
.main-nav a:hover{ color:#fff; }
.main-nav a:hover::after{ width:100%; }

.nav-toggle{ display:none; flex-direction:column; gap:5px; padding:8px; }
.nav-toggle span{ width:24px; height:2px; background:#fff; border-radius:2px; transition:transform .3s, opacity .3s; }
.nav-toggle.open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2){ opacity:0; }
.nav-toggle.open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{ position:relative; min-height:100vh; display:flex; align-items:center; padding:110px 0 90px; overflow:hidden; }
.hero-bg, .lazy-bg{ position:absolute; inset:0; background-size:cover; background-position:center; transition:opacity .8s ease; }
.lazy-bg{ opacity:0; }
.lazy-bg.loaded{ opacity:1; }
.hero-overlay{ position:absolute; inset:0;background: linear-gradient(105deg, rgba(10, 26, 52, .86) 0%, rgba(14, 42, 82, .55) 45%, rgba(14, 42, 82, .18) 100%);}
.hero-inner{ position:relative; z-index:2; }
.hero-eyebrow{
  display:inline-block; color:#fff; font-size:15px; font-weight:800; letter-spacing:.34em;
   padding:8px 20px; margin-bottom:26px;
}
.hero h1{ color:#fff; font-size:clamp(34px,5.4vw,68px); font-weight:900; margin-bottom:34px; }
.hero .btn{ font-size:15px; padding:15px 34px; }

.hero-scroll{ position:absolute; bottom:26px; left:50%; transform:translateX(-50%); z-index:2; width:26px; height:44px; border:2px solid rgba(255,255,255,.7); border-radius:16px; }
.hero-scroll span{ position:absolute; top:8px; left:50%; width:4px; height:9px; margin-left:-2px; border-radius:4px; background:#fff; animation:scrollDot 1.6s infinite; }
@keyframes scrollDot{ 0%{opacity:1; transform:translateY(0);} 70%{opacity:0; transform:translateY(14px);} 100%{opacity:0;} }

/* ==========================================================================
   核心优势
   ========================================================================== */
.stats{ background:var(--white); padding:64px 0; }
.stats-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.stat{ display:flex; flex-direction:column; align-items:center; text-align:center; padding:28px 16px; }
.stat-icon{ width:56px; height:56px; color:#0086f9; margin-bottom:14px; }
.stat-icon svg{ width:100%; height:100%; }
.stat strong{ font-size:34px; font-weight:900; color:var(--navy); }
.stat > span:last-child{ color:var(--muted); font-size:13px; letter-spacing:.08em; margin-top:6px; }

/* ==========================================================================
   OUR SOLUTIONS
   ========================================================================== */
.solutions{ background:var(--light); padding:96px 0; }
.solutions-layout{ display:grid; grid-template-columns:380px 1fr; gap:56px; align-items:start; }
.solutions-intro{ position:sticky; top:100px; }
.solutions-intro h2{ font-size:clamp(28px,3.2vw,42px); color:var(--navy); margin:14px 0 18px; }
.solutions-intro .lead{ color:var(--muted); margin-bottom:26px; }
.chips{ display:flex; flex-wrap:wrap; gap:10px; }
.chips li{ display:inline-flex; align-items:center; gap:8px; background:#fff; border:1px solid var(--line); border-radius:40px; padding:8px 16px; font-size:13px; font-weight:700; color:var(--navy); }
.chip-ico{ width:18px; height:18px; color:var(--accent); }
.chip-ico svg{ width:100%; height:100%; }

.solutions-cards{ display:grid; grid-template-columns:repeat(2,1fr); gap:24px; }
.sol-card{
  background:#fff; border-radius:var(--radius); overflow:hidden;
  box-shadow:var(--shadow); transition:transform .3s ease, box-shadow .3s ease; position:relative;
  display:flex; flex-direction:column; height:250px;
}
.sol-card:hover{ transform:translateY(-6px); box-shadow:0 18px 40px rgba(14,42,82,.16); }
.sol-num{
  position:absolute; top:14px; left:14px; z-index:2;
  background:var(--navy); color:#fff; font-size:13px; font-weight:800;
  padding:4px 12px; border-radius:8px; letter-spacing:.06em;
}
.sol-media{ flex:1; min-height:0; overflow:hidden; }
.sol-media img{ width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
.sol-card:hover .sol-media img{ transform:scale(1.06); }
.sol-body{ flex:none; padding:10px; text-align:center; }
.sol-body h3{ font-size:18px; color:var(--navy); margin:0; }
.sol-body p{ font-size:14px; color:var(--muted); margin:6px 0 0; max-height:0; opacity:0; overflow:hidden; transition:max-height .2s ease, opacity .2s ease; }
.sol-card:hover .sol-body p{ max-height:64px; opacity:1; }

/* ==========================================================================
   报价横幅
   ========================================================================== */
.quote-banner{ background:var(--navy); color:#fff; padding:52px 0; }
.quote-inner{ display:flex; align-items:center; justify-content:space-between; gap:30px; flex-wrap:wrap; }
.quote-text{ display:flex; align-items:center; gap:18px; }
.quote-ico{ width:54px; height:54px; color:#7f9fd5; flex:none; }
.quote-ico svg{ width:100%; height:100%; }
.quote-text h2{ font-size:clamp(20px,2.4vw,28px); }
.quote-text p{ color:#c7d5ea; margin-top:4px; font-size:14px; }

/* ==========================================================================
   核心能力
   ========================================================================== */
.capabilities{ background:var(--white); padding:96px 0; }
.cap-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.cap-card{ border-radius:var(--radius); overflow:hidden; border:1px solid var(--line); background:#fff; transition:transform .3s ease, box-shadow .3s ease; display:flex; flex-direction:column; height:300px; }
.cap-card:hover{ transform:translateY(-6px); box-shadow:var(--shadow); }
.cap-media{ flex:1; min-height:0; overflow:hidden; }
.cap-media img{ width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
.cap-card:hover .cap-media img{ transform:scale(1.07); }
.cap-body{ flex:none; padding:10px; text-align:center; }
.cap-body h3{ font-size:16px; color:var(--navy); margin:0; }
.cap-body p{ font-size:13.5px; color:var(--muted); margin:6px 0 0; max-height:0; opacity:0; overflow:hidden; transition:max-height .2s ease, opacity .2s ease; }
.cap-card:hover .cap-body p{ max-height:60px; opacity:1; }

/* ==========================================================================
   战略共创
   ========================================================================== */
.cocreation{ background:var(--light); padding:72px 0; }
.cocreation-inner{ display:grid; grid-template-columns:1fr 1.4fr; gap:56px; align-items:start; }
.cocreation-main h2{ font-size:clamp(26px,3vw,38px); color:var(--navy); margin:14px 0 18px; }
.cocreation-link{ color:var(--accent); font-weight:800; font-size:15px; border-bottom:2px solid var(--accent); padding-bottom:4px; }
.cocreation-link span{ transition:transform .2s; display:inline-block; }
.cocreation-link:hover span{ transform:translateX(4px); }
.cocreation-body h3{ font-size:22px; color:var(--navy); margin-bottom:12px; }
.cocreation-body p{ color:var(--muted); margin-bottom:22px; }
.tag-list{ display:flex; flex-wrap:wrap; gap:10px; }
.tag-list li{ background:#fff; border:1px solid var(--line); border-radius:40px; padding:9px 18px; font-size:13px; font-weight:700; color:var(--navy); transition:.2s; }
.tag-list li:hover{ background:var(--navy); color:#fff; }

/* ==========================================================================
   What We Manufacture（深色 + 轮播）
   ========================================================================== */
.dark-section{ background:var(--dark); padding:96px 0; }
.mf-head{ display:flex; align-items:flex-end; justify-content:space-between; gap:24px; margin-bottom:44px; }
.mf-head h2{ color:#fff; font-size:clamp(26px,3.2vw,40px); }
.mf-head p{ color:#aebfd8; margin-top:12px; max-width:720px; }
.mf-counter{ color:#fff; font-weight:800; letter-spacing:.1em; }

.carousel{ position:relative; }
.carousel-viewport{ overflow:hidden; border-radius:var(--radius); }
.carousel-track{ display:flex; gap:24px; }
.slide{ flex:0 0 calc((100% - 24px)/2); min-width:0; position:relative; }
.slide-img{ aspect-ratio:4/3; overflow:hidden; }
.slide-img img{ width:100%; height:100%; object-fit:cover; }
.slide figcaption{
  position:absolute; left:0; right:0; bottom:0; padding:20px 22px;
  background:linear-gradient(to top, rgba(5,10,20,.82), transparent);
  color:#fff; font-size:clamp(15px,1.4vw,18px); font-weight:800;
}
.carousel-controls{ display:flex; align-items:center; justify-content:space-between; margin-top:26px; }

/* 圆形箭头按钮（合作实践区复用） */
.arrows{ display:flex; gap:12px; }
.arrow{
  width:52px; height:52px; border-radius:50%; border:1px solid rgba(255,255,255,.45);
  color:#fff; display:inline-flex; align-items:center; justify-content:center; transition:.25s;
}
.arrow svg{ width:22px; height:22px; }
.arrow:hover{ background:#fff; color:var(--navy); }

/* ==========================================================================
   From Concept to Production
   ========================================================================== */
.concept{ background:var(--white); padding:96px 0; }
.steps{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.step{ border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; background:#fff; transition:transform .3s ease, box-shadow .3s ease; position:relative; display:flex; flex-direction:column; height:285px; }
.step:hover{ transform:translateY(-5px); box-shadow:var(--shadow); }
.step-num{ position:absolute; top:12px; left:14px; color:#D64541; font-size:30px; font-weight:900; z-index:2; }
.step-media{ flex:1; min-height:0; overflow:hidden; }
.step-media img{ width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
.step:hover .step-media img{ transform:scale(1.06); }
.step h3{ font-size:17px; color:var(--navy); margin:0; padding:15px 15px 15px; text-align:center; }
.step p{ font-size:13.5px; color:var(--muted); margin:0; padding:0 20px 0; text-align:center; max-height:0; opacity:0; overflow:hidden; transition:max-height .2s ease, opacity .2s ease, padding .2s ease; }
.step:hover p{ max-height:80px; opacity:1; padding:4px 20px 18px; }

/* ==========================================================================
   From Fabric to Finished Apparel
   ========================================================================== */
.fabric-video{ position:relative; padding:120px 0; color:#fff; overflow:hidden; }
.fv-overlay{ position:absolute; inset:0; background:rgba(10,16,28,.58); }
.fv-inner{ position:relative; z-index:2; max-width:640px; }
.fv-inner h2{ font-size:clamp(28px,3.6vw,46px); margin-bottom:20px; }
.fv-inner p{ color:#d5dde9; margin-bottom:34px; }
.play-btn{
  width:84px; height:84px; border-radius:50%; background:rgba(255,255,255,.16); backdrop-filter:blur(6px);
  border:2px solid rgba(255,255,255,.7); color:#fff; display:inline-flex; align-items:center; justify-content:center;
  transition:transform .25s, background .25s;
}
.play-btn svg{ width:30px; height:30px; margin-left:4px; }
.play-btn:hover{ transform:scale(1.08); background:var(--accent); border-color:var(--accent); }

/* ==========================================================================
   合作品牌
   ========================================================================== */
.brands{ background:var(--light); padding:80px 0; }
.brands-head{ display:grid; grid-template-columns:1fr 1.2fr; gap:40px; align-items:start; margin-bottom:46px; }
.brands-head h2{ font-size:clamp(26px,3.2vw,40px); color:var(--navy); }
.brands-head p{ color:var(--muted); }
.brand-logos{ display:grid; grid-template-columns:repeat(7,1fr); gap:20px 28px; align-items:center; }
.brand-logos li{ display:flex; align-items:center; justify-content:center; min-height:52px; padding:6px 4px; }
.brand-logos img{ max-height:46px; width:auto; max-width:100%; object-fit:contain; opacity:.92; transition:opacity .3s ease; }
.brand-logos li:hover img{ opacity:1; }

/* ==========================================================================
   工厂实景 + 标语
   ========================================================================== */
.workshop{ background:var(--light); padding:80px 0 20px; }
.workshop-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.workshop-grid figure{ position:relative; border-radius:var(--radius); overflow:hidden; }
.workshop-grid img{ width:100%; aspect-ratio:3/4; object-fit:cover; }
.workshop-grid figcaption{ position:absolute; top:12px; left:12px; background:var(--navy); color:#fff; font-weight:800; padding:2px 10px; border-radius:8px; }
.slogan{ text-align:center; padding:64px 0 56px; }
.slogan-cn{ font-size:clamp(22px,3vw,34px); font-weight:900; color:var(--navy); line-height:1.5; }
.slogan-sub{ color:var(--muted); margin-top:14px; font-size:15px; letter-spacing:.12em; }

/* ==========================================================================
   工厂能力横幅
   ========================================================================== */
.scale{ position:relative; padding:110px 0; color:#fff; overflow:hidden; }
.scale-bg{ position:absolute; inset:0; background-size:cover; background-position:center; opacity:0; transition:opacity .8s ease; }
.scale-overlay{ position:absolute; inset:0; }
.scale-inner{ position:relative; z-index:2; text-align:center; }
.scale-inner h2{ font-size:clamp(26px,3.6vw,46px); letter-spacing:.08em; }
.scale-inner > p{ max-width:680px; margin:16px auto 46px; color:#cdd8e8; }
.scale-grid{ display:grid; grid-template-columns:repeat(6,1fr); gap:20px; }
.scale-item strong{ display:block; font-size:clamp(26px,3vw,42px); font-weight:900; color:var(--accent); }
.scale-item span{ color:#c3d2e6; font-size:13px; letter-spacing:.04em; }

/* ==========================================================================
   合作实践
   ========================================================================== */
.partnership{ background:var(--light); padding:90px 0; }
.partnership-inner{ display:grid; grid-template-columns:1fr 1.15fr; gap:56px; align-items:center; }
.partnership-text h2{ font-size:clamp(28px,3.4vw,44px); color:var(--navy); margin:14px 0 20px; }
.partnership-text > p{ color:var(--muted); }
.pt-tags{ color:var(--navy); font-weight:800; margin-top:20px; }
.pt-note{ font-size:13px; margin-top:6px; color:#8b95a3; }
.partnership-media{ position:relative; }
.pt-viewport{ position:relative; max-width:600px; margin:0 auto; border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); touch-action:pan-y; }
.pt-track{ display:flex; will-change:transform; cursor:grab; }
.pt-track.dragging{ cursor:grabbing; }
.pt-slide{ flex:0 0 100%; min-width:0; }
.pt-slide img{ width:100%; height:auto; display:block; aspect-ratio:3/2; object-fit:cover; user-select:none; -webkit-user-drag:none; }
.pt-arrows{ position:absolute; top:50%; left:0; right:0; transform:translateY(-50%); display:flex; justify-content:space-between; padding:0 10px; z-index:3; pointer-events:none; }
.arrow-pt{ width:46px; height:46px; border-color:#fff; background:rgba(255,255,255,.2); pointer-events:auto; }

/* ==========================================================================
   认证体系
   ========================================================================== */
.dark-teal{ background:var(--teal-dark); padding:96px 0; }
.cert-grid{ display:grid; grid-template-columns:repeat(4,260px); justify-content:center; gap:22px; }
.cert-card{ width:260px; height:420px; background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.12); border-radius:var(--radius); padding:12px 12px 14px; text-align:center; transition:transform .3s; display:flex; flex-direction:column; }
.cert-card:hover{ transform:translateY(-5px); }
.cert-badge{ display:inline-block; background:var(--accent); color:#fff; font-size:9px; font-weight:800; letter-spacing:.16em; padding:3px 10px; border-radius:6px; margin-bottom:8px; align-self:center; }
.cert-card img{ width:100%; height:300px; object-fit:contain; background:#fff; border-radius:8px; padding:6px; flex:0 0 auto; }
.cert-card h3{ color:#fff; font-size:14px; margin:0 0 16px; text-align:center; line-height:1.3; }
.cert-info{ position:relative; flex:1; display:flex; flex-direction:column; align-items:center; justify-content:center; min-height:0; }
.cert-card p{ position:absolute; left:0; right:0; bottom:2px; margin:0; padding:0 10px; color:#a9c0da; font-size:10.5px; line-height:1.35; text-align:center; opacity:0; transform:translateY(5px); transition:opacity .2s ease, transform .2s ease; pointer-events:none; }
.cert-card:hover p{ opacity:1; transform:none; }

/* ==========================================================================
   客户类型
   ========================================================================== */
.stages{ background:var(--white); padding:96px 0; }
.stages-head{ display:grid; grid-template-columns:1fr 1.1fr; gap:40px; align-items:end; margin-bottom:46px; }
.stages-head h2{ font-size:clamp(28px,3.4vw,44px); color:var(--navy); }
.stages-head p{ color:var(--muted); }
.stages-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.stage-card{ border:1px solid var(--line); border-radius:var(--radius); padding:28px; background:#f7f6f1; transition:transform .3s, box-shadow .3s; display:flex; flex-direction:column; height:268px; }
.stage-card:hover{ transform:translateY(-5px); box-shadow:var(--shadow); }
.stage-ico{ display:block; width:100%; flex:1; min-height:0; object-fit:contain; object-position:center; margin:0 auto; }
.stage-card h3{ font-size:18px; color:var(--navy); margin:10px 0 0; text-align:center; }
.stage-card p{ font-size:14px; color:var(--muted); margin:0; max-height:0; opacity:0; overflow:hidden; text-align:center; transition:max-height .2s ease, opacity .2s ease; }
.stage-card:hover p{ max-height:52px; opacity:1; }

/* ==========================================================================
   探索 CTA
   ========================================================================== */
.explore{ background:var(--blue-2); padding:84px 0; }
.explore-inner{ display:flex; align-items:center; justify-content:space-between; gap:30px; flex-wrap:wrap; }
.explore-inner h2{ color:#fff; font-size:clamp(26px,3.4vw,42px); }

/* ==========================================================================
   联系我们
   ========================================================================== */
.contact{ background:var(--light); padding:96px 0; }
.contact-layout{ display:grid; grid-template-columns:1fr 1.3fr; gap:60px; align-items:stretch; }
.contact-intro{ display:flex; flex-direction:column; justify-content:center; text-align:left; align-items:flex-start; }
.contact-intro h2{ font-size:clamp(28px,3.6vw,46px); color:var(--navy); margin:16px 0 18px; }
.contact-intro p:last-child{ color:var(--muted); }
.contact-form{ background:#fff; border-radius:var(--radius); box-shadow:var(--shadow); padding:34px; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.form-field{ margin-bottom:18px; }
.form-field label{ display:block; font-size:11.5px; font-weight:800; letter-spacing:.12em; color:var(--navy); margin-bottom:8px; }
.form-field label span{ color:var(--accent); }
.form-field label em{ font-style:normal; font-weight:500; color:#9aa4b1; letter-spacing:0; }
.form-field input,.form-field textarea{
  width:100%; border:1.5px solid var(--line); border-radius:10px; padding:13px 15px;
  font-family:inherit; font-size:14px; color:var(--ink); transition:border-color .2s, box-shadow .2s; background:#fbfcfe;
}
.form-field input:focus,.form-field textarea:focus{ outline:none; border-color:var(--blue); box-shadow:0 0 0 3px rgba(43,85,141,.14); }
.form-field textarea{ resize:vertical; min-height:96px; }
.form-note{ display:flex; align-items:center; gap:10px; font-size:13px; color:var(--muted); margin-bottom:20px; }
.form-note strong{ color:var(--accent); font-size:20px; font-weight:900; }
.form-msg{ margin-top:12px; font-size:13px; color:green; min-height:18px; }
.form-msg.error{ color:var(--accent); }
.form-downloads{ display:flex; gap:10px; flex-wrap:wrap; justify-content:center; margin-top:12px; }
.form-downloads a{ display:inline-block; padding:9px 16px; background:var(--navy); color:#fff; border-radius:6px; text-decoration:none; font-size:13px; font-weight:600; transition:background .2s; }
.form-downloads a:hover{ background:var(--accent); }

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer{ background:var(--navy); color:#c7d5ea; }
.footer-inner{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; padding:60px 24px 40px; }
.brand-footer{ margin-bottom:16px; }
.footer-brand p{ font-size:14px; color:#93a9c8; max-width:320px; }
.footer-nav h3,.footer-contact h3{ color:#fff; font-size:15px; margin-bottom:16px; }
.footer-nav li{ margin-bottom:10px; }
.footer-nav a{ color:#9fb5d4; font-size:14px; }
.footer-nav a:hover{ color:#fff; }
.footer-contact p{ font-size:14px; margin-bottom:8px; }
.footer-contact a{ color:#9fb5d4; }
.footer-contact a:hover{ color:#fff; }
.footer-bottom{ border-top:1px solid rgba(255,255,255,.12); padding:20px 0; }
.footer-bottom p{ font-size:13px; color:#7e96b8; text-align:center; }

/* ==========================================================================
   联系表单弹窗（虚化背景）
   ========================================================================== */
body.modal-open{ overflow:hidden; padding-right:var(--scrollbar-w, 0px); }
.modal{
  position:fixed; inset:0; z-index:300;
  display:flex; align-items:center; justify-content:center; padding:22px;
  visibility:hidden; opacity:0;
  transition:opacity .32s ease, visibility .32s ease;
}
.modal.open{ visibility:visible; opacity:1; }
.modal-backdrop{
  position:absolute; inset:0;
  background:rgba(8,16,32,.55);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.modal-dialog{
  position:relative; z-index:1;
  width:100%; max-width:680px; max-height:92vh; overflow-y:auto;
  background:#fff; border-radius:18px; padding:38px 42px 42px;
  box-shadow:0 30px 90px rgba(0,0,0,.4);
  transform:translateY(24px) scale(.98);
  transition:transform .35s cubic-bezier(.22,.9,.32,1);
}
.modal.open .modal-dialog{ transform:none; }
.modal-close{
  position:absolute; top:14px; right:14px; width:38px; height:38px; border-radius:50%;
  background:#eef2f8; color:var(--navy); font-size:22px; line-height:1;
  display:flex; align-items:center; justify-content:center; transition:.2s;
}
.modal-close:hover{ background:var(--navy); color:#fff; transform:rotate(90deg); }
.modal-head .kicker{ margin-bottom:10px; }
.modal-head h2{ font-size:clamp(24px,3.4vw,32px); color:var(--navy); margin-bottom:8px; }
.modal-head > p{ color:var(--muted); margin-bottom:22px; }
.modal-dialog .contact-form{ box-shadow:none; padding:0; }

/* 视频灯箱 */
.video-dialog{ max-width:920px; padding:0; background:#000; overflow:hidden; }
.video-wrap{ position:relative; width:100%; padding-top:56.25%; }
.video-frame{ position:absolute; inset:0; width:100%; height:100%; border:0; }
.video-dialog .modal-close{ color:#fff; background:rgba(255,255,255,.18); top:10px; right:10px; }
.video-dialog .modal-close:hover{ background:var(--accent); border-color:var(--accent); }

/* ==========================================================================
   入场动画（滚动显现）
   ========================================================================== */
.reveal{ opacity:0; transform:translateY(26px); transition:opacity .7s ease, transform .7s ease; }
.reveal.in-view{ opacity:1; transform:none; }

/* ==========================================================================
   响应式 — 平板
   ========================================================================== */
@media (max-width:1024px){
  .solutions-layout{ grid-template-columns:1fr; gap:36px; }
  .solutions-intro{ position:static; }
  .cap-grid{ grid-template-columns:repeat(2,1fr); }
  .steps{ grid-template-columns:repeat(2,1fr); }
  .scale-grid{ grid-template-columns:repeat(3,1fr); }
  .brand-logos{ grid-template-columns:repeat(4,1fr); }
  .cert-grid{ grid-template-columns:repeat(2,260px); justify-content:center; }
  .stages-grid{ grid-template-columns:repeat(2,1fr); }
  .contact-layout{ grid-template-columns:1fr; gap:40px; }
  .cocreation-inner,.partnership-inner{ grid-template-columns:1fr; gap:36px; }
  .brands-head,.stages-head{ grid-template-columns:1fr; gap:16px; }
  .workshop-grid{ grid-template-columns:repeat(3,1fr); }
}

/* ==========================================================================
   响应式 — 手机
   ========================================================================== */
@media (max-width:640px){
  .container{ padding:0 18px; }

  /* 导航：汉堡菜单 */
  .nav-toggle{ display:flex; }
  .main-nav{
    position:fixed; top:72px; left:0; right:0; bottom:0;
    background:var(--navy); transform:translateX(100%); transition:transform .35s ease;
    padding:30px 24px; z-index:99; overflow-y:auto;
  }
  .main-nav.open{ transform:none; }
  .main-nav ul{ flex-direction:column; gap:6px; }
  .main-nav a{ display:block; font-size:18px; padding:14px 0; border-bottom:1px solid rgba(255,255,255,.12); }

  .hero{ min-height:88vh; padding:100px 0 70px; }
  .hero h1{ font-size:34px; }
  .hero-eyebrow{ font-size:13px; letter-spacing:.24em; }

  .stats-grid{ grid-template-columns:repeat(2,1fr); gap:10px; }
  .stat{ padding:20px 8px; }
  .stat strong{ font-size:28px; }

  .solutions,.capabilities,.concept,.dark-section,.dark-teal,.stages,.contact,.brands,.workshop,.partnership{ padding:64px 0; }
  .solutions-cards{ grid-template-columns:repeat(2,1fr); gap:14px; }
  .sol-card{ height:200px; }
  .sol-body{ padding:12px 10px 14px; }
  .sol-body h3{ font-size:13.5px; }
  .sol-num{ top:8px; left:8px; font-size:11px; padding:3px 8px; }

  .quote-inner{ flex-direction:column; align-items:flex-start; }
  .quote-text{ align-items:flex-start; }

  .cap-grid{ grid-template-columns:repeat(2,1fr); gap:14px; }
  .cap-card{ height:200px; }
  .cap-body{ padding:12px 5px 16px; }
  .cap-body h3{ font-size:13.5px; }
  .steps{ grid-template-columns:repeat(2,1fr); gap:14px; }
  .step{ height:200px; }
  .step h3{ font-size:14px; padding:12px 8px; }
  .slide{ flex:0 0 100%; min-width:100%; }
  .mf-head{ flex-direction:column; align-items:flex-start; }
  .slide-img{ aspect-ratio:4/3; }

  .brand-logos{ grid-template-columns:repeat(3,1fr); gap:14px; }
  .brand-logos li{ min-height:44px; }
  .brand-logos img{ max-height:34px; }
  .workshop-grid{ grid-template-columns:1fr; }
  .scale-grid{ grid-template-columns:repeat(2,1fr); }
  .cert-grid{ grid-template-columns:repeat(2,1fr); gap:14px; justify-items:center; }
  .cert-card{ width:100%; height:auto; min-height:300px; padding:10px; }
  .cert-card img{ height:220px; }
  .cert-card h3{ font-size:12.5px; margin:0; }
  .stages-grid{ grid-template-columns:repeat(2,1fr); gap:14px; }
  .stage-card{ height:225px; padding:18px 14px; }
  .stage-card h3{ font-size:15px; }

  .explore-inner{ flex-direction:column; align-items:flex-start; }
  .form-row{ grid-template-columns:1fr; }
  .contact-form{ padding:24px; }
  .footer-inner{ grid-template-columns:1fr; gap:28px; padding:44px 18px 28px; }
  .fabric-video,.scale{ padding:84px 0; }
  .hero-scroll{ display:none; }
  .modal{ padding:12px; align-items:flex-end; }
  .modal-dialog{ max-height:94vh; border-radius:18px 18px 0 0; padding:28px 20px 30px; }
  .form-downloads{ gap:8px; }
  .form-downloads a{ padding:8px 14px; font-size:12.5px; width:100%; text-align:center; }
}

/* 尊重减少动效偏好 */
@media (prefers-reduced-motion:reduce){
  *{ animation:none !important; transition:none !important; }
  html{ scroll-behavior:auto; }
}