/* ============================================================
   威麟勤力 · 独立站样式
   工业制造风:石墨黑 × 安全黄 × 暖纸白,蓝图网格 + 警示斜纹
   ============================================================ */

/* ---------------- 变量与基础 ---------------- */
:root {
  --yellow: #F5B800;
  --yellow-deep: #E2A400;
  --ink: #17171B;
  --graphite: #1F1F24;
  --graphite-2: #2A2A31;
  --paper: #F3F1E9;
  --white: #FBF9F4;
  --line: rgba(23, 23, 27, .16);
  --line-dark: rgba(255, 255, 255, .16);
  --dim: #8A8A94;
  --wa: #25D366;
  --font-display: "Archivo Black", "Noto Sans SC", sans-serif;
  --font-cond: "Barlow Condensed", "Noto Sans SC", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --font-body: "Barlow", "Noto Sans SC", sans-serif;
  --header-h: 74px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
ul, ol { list-style: none; }
h1, h2, h3, h4 { line-height: 1.18; }

::selection { background: var(--yellow); color: var(--ink); }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--ink); }
::-webkit-scrollbar-thumb { background: #3A3A42; border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--yellow-deep); }

:focus-visible { outline: 2px solid var(--yellow); outline-offset: 2px; }

.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

body.no-scroll { overflow: hidden; }

.noscript {
  padding: 4rem 2rem;
  text-align: center;
  background: var(--ink);
  color: #fff;
  font-family: var(--font-mono);
  font-size: .85rem;
}

/* 启动画面 */
.boot {
  position: fixed; inset: 0;
  background: var(--ink);
  display: grid; place-items: center;
  z-index: 100;
}
.boot-logo {
  width: min(210px, 54vw); height: auto;
  animation: bootPulse 1.1s ease-in-out infinite alternate;
}
@keyframes bootPulse { from { transform: scale(1); } to { transform: scale(1.12); } }

/* 顶部警示斜纹 */
.hazard-strip {
  position: fixed; top: 0; left: 0; right: 0; height: 4px; z-index: 90;
  background: repeating-linear-gradient(45deg, var(--yellow) 0 10px, var(--ink) 10px 20px);
  background-size: 28.28px 100%;
  animation: stripMove .9s linear infinite;
}
@keyframes stripMove { to { background-position: 28.28px 0; } }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  padding: .85rem 1.6rem;
  font-family: var(--font-cond); font-weight: 700; font-size: 1.02rem;
  letter-spacing: .1em; text-transform: uppercase;
  border: 1.5px solid transparent;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn i { font-style: normal; transition: transform .18s ease; }
.btn:hover i { transform: translateX(4px); }
.btn:active { transform: translateY(1px); }
.btn svg { flex: none; }

.btn--sm { padding: .55rem 1.1rem; font-size: .92rem; }
.btn--block { width: 100%; }

.btn--solid { background: var(--yellow); color: var(--ink); }
.btn--solid:hover { background: var(--yellow-deep); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(245, 184, 0, .35); }

.btn--ghost { border-color: rgba(255, 255, 255, .4); color: #fff; }
.btn--ghost:hover { border-color: var(--yellow); color: var(--yellow); }

.btn--ink { background: var(--ink); color: #fff; }
.btn--ink:hover { background: #000; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(23, 23, 27, .4); }

.btn--ghost-ink { border-color: var(--ink); color: var(--ink); }
.btn--ghost-ink:hover { background: var(--ink); color: #fff; }

.btn--wa { background: var(--wa); color: #04230F; }
.btn--wa:hover { filter: brightness(1.08); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(37, 211, 102, .35); }

.wa-icon { width: 1.05em; height: 1.05em; }

/* ---------------- 顶部导航 ---------------- */
.site-header {
  position: fixed; top: 4px; left: 0; right: 0; z-index: 80;
  background: rgba(23, 23, 27, .94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-dark);
}
.header-in { display: flex; align-items: center; gap: 2rem; height: var(--header-h); }

.brand { display: flex; align-items: center; gap: .8rem; min-width: 0; }
.brand-logo {
  display: block; width: 118px; height: 58px; object-fit: contain;
  background: #fff; padding: 3px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
}
.brand-mark {
  width: 42px; height: 42px; flex: none;
  background: var(--yellow); color: var(--ink);
  display: grid; place-items: center;
  font-size: 1.5rem; font-weight: 900;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; min-width: 0; }
.brand-name {
  font-family: var(--font-display);
  font-size: 1.28rem; letter-spacing: .06em; color: #fff;
  white-space: nowrap;
}
.brand-sub {
  font-family: var(--font-mono); font-size: .6rem; letter-spacing: .12em;
  color: var(--dim); text-transform: uppercase;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.nav { display: flex; gap: 2rem; margin-left: auto; }
.nav-link {
  position: relative;
  font-family: var(--font-cond); font-weight: 600;
  font-size: 1.02rem; letter-spacing: .14em; text-transform: uppercase;
  color: rgba(255, 255, 255, .78);
  padding: .4rem 0;
  transition: color .18s ease;
}
.nav-link::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 2px; background: var(--yellow);
  transform: scaleX(0); transform-origin: left;
  transition: transform .22s ease;
}
.nav-link:hover { color: #fff; }
.nav-link:hover::after, .nav-link.is-active::after { transform: scaleX(1); }
.nav-link.is-active { color: var(--yellow); }

.header-actions { display: flex; align-items: center; gap: .9rem; }

.lang-pill {
  display: flex; border: 1px solid rgba(255, 255, 255, .3); border-radius: 2px; overflow: hidden;
}
.lang-btn {
  background: transparent; border: 0; color: rgba(255, 255, 255, .7);
  font-family: var(--font-mono); font-size: .78rem; font-weight: 600;
  padding: .42rem .7rem; letter-spacing: .06em;
  transition: background .18s ease, color .18s ease;
}
.lang-btn.is-on { background: var(--yellow); color: var(--ink); }

/* 多语言入口：折叠菜单在桌面与移动端都只占用一个紧凑触发器。 */
.lang-pill { border: 0; border-radius: 0; overflow: visible; }
.lang-menu { position: relative; }
.lang-menu summary {
  display: flex; align-items: center; justify-content: center; gap: .32rem;
  min-width: 58px; height: 35px; padding: 0 .55rem;
  border: 1px solid rgba(255, 255, 255, .3); color: #fff;
  cursor: pointer; list-style: none;
  font-family: var(--font-mono); font-size: .76rem; font-weight: 600; letter-spacing: .06em;
}
.lang-menu summary::-webkit-details-marker { display: none; }
.lang-menu summary i { color: var(--yellow); font-size: .92rem; font-style: normal; transition: transform .18s ease; }
.lang-menu[open] summary { border-color: var(--yellow); }
.lang-menu[open] summary i { transform: rotate(180deg); }
.lang-options {
  position: absolute; top: calc(100% + .55rem); right: 0; z-index: 90;
  display: grid; min-width: 172px; padding: .35rem;
  border: 1px solid rgba(255,255,255,.24); background: #202025;
  box-shadow: 0 14px 30px rgba(0,0,0,.28);
}
.lang-options .lang-btn {
  display: flex; align-items: center; gap: .7rem; width: 100%;
  padding: .6rem .7rem; color: rgba(255,255,255,.82); text-align: left;
}
.lang-options .lang-btn b { width: 24px; color: var(--yellow); font-family: var(--font-mono); font-size: .68rem; }
.lang-options .lang-btn span { font-family: var(--font-body); font-size: .9rem; letter-spacing: 0; }
.lang-options .lang-btn:hover, .lang-options .lang-btn.is-on { background: var(--yellow); color: var(--ink); }
.lang-options .lang-btn:hover b, .lang-options .lang-btn.is-on b { color: var(--ink); }

.header-wa span { display: inline; }

.burger {
  display: none;
  width: 44px; height: 44px;
  background: transparent; border: 1px solid rgba(255, 255, 255, .3); border-radius: 2px;
  flex-direction: column; align-items: center; justify-content: center; gap: 7px;
  padding: 0;
}
.burger span { display: block; width: 20px; height: 2px; background: #fff; transition: transform .2s ease; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(4.5px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { transform: translateY(-4.5px) rotate(-45deg); }

.mobile-menu {
  position: fixed; top: 0; left: 0; right: 0;
  height: 100vh; height: 100dvh;
  z-index: 70;
  background: var(--ink);
  display: flex; flex-direction: column; justify-content: center; gap: 3rem;
  padding: calc(var(--header-h) + 2rem) 2rem 3rem;
  transform: translateY(-100%);
  transition: transform .35s cubic-bezier(.22, 1, .36, 1);
  pointer-events: none;   /* 关闭时绝对不接收点击,避免遮挡页面 */
  overflow-y: auto;
}
.mobile-menu.open { transform: translateY(0); pointer-events: auto; }
.mobile-nav { display: flex; flex-direction: column; gap: .4rem; }
.mobile-link {
  font-family: var(--font-display); font-size: clamp(1.8rem, 8vw, 2.6rem);
  color: #fff; padding: .5rem 0;
  border-bottom: 1px solid var(--line-dark);
  display: flex; align-items: baseline; gap: 1rem;
}
.mobile-link::before {
  content: "0" counter(m); counter-increment: m;
  font-family: var(--font-mono); font-size: .8rem; color: var(--yellow);
}
.mobile-nav { counter-reset: m; }
.mobile-menu-foot { display: flex; flex-direction: column; gap: 1.4rem; align-items: flex-start; }
.mobile-menu-foot .lang-pill { border-color: rgba(255, 255, 255, .4); }

/* ---------------- Hero ---------------- */
.hero {
  position: relative;
  background: var(--ink); color: #fff;
  padding: calc(var(--header-h) + 84px) 0 88px;
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 60% 40%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 60% 40%, #000 40%, transparent 100%);
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse 55% 45% at 78% 32%, rgba(245, 184, 0, .16), transparent 70%);
  pointer-events: none;
}
.hero-watermark {
  position: absolute; top: -6%; right: -3%; z-index: 0;
  font-size: clamp(280px, 44vw, 620px); line-height: 1; font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(245, 184, 0, .16);
  user-select: none; pointer-events: none;
}
.hero-grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 2.5rem; align-items: center;
}

.kicker {
  display: flex; align-items: center; gap: .9rem;
  font-family: var(--font-mono); font-size: .78rem; font-weight: 600;
  letter-spacing: .3em; text-transform: uppercase;
  color: var(--yellow-deep); margin-bottom: 1.4rem;
}
.kicker span {
  display: inline-grid; place-items: center;
  width: 34px; height: 26px;
  background: var(--yellow); color: var(--ink);
  font-weight: 700; letter-spacing: .05em;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
}
.kicker::after { content: ""; width: 42px; height: 2px; background: var(--yellow); }
.kicker--light { color: rgba(255, 255, 255, .55); }

.hero-title {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(2.4rem, 6.6vw, 4.5rem);
  letter-spacing: .01em; line-height: 1.06;
}
.hero-title-accent { color: var(--yellow); }
.hero-tagline {
  margin-top: 1.3rem;
  font-weight: 600; font-size: 1.14rem; color: rgba(255, 255, 255, .92);
}
.hero-sub {
  margin-top: 1rem; max-width: 54ch;
  color: #B9B9C1; font-size: 1.02rem;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.2rem; }

.hero-figure svg { width: 100%; max-width: 620px; margin: 0 auto; display: block; }

/* 首屏的主视觉采用工厂与设备实拍叠层，让「制造现场」先于营销话术出现。 */
.hero-visual { position: relative; min-height: 470px; isolation: isolate; }
.hero-factory-shot, .hero-product-shot { margin: 0; overflow: hidden; border: 1px solid rgba(255, 255, 255, .24); }
.hero-factory-shot { position: absolute; top: 0; right: 0; width: 88%; aspect-ratio: 2.15 / 1; background: #222228; }
.hero-factory-shot::after { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(23, 23, 27, .5), transparent 55%); pointer-events: none; }
.hero-factory-shot img { width: 100%; height: 100%; object-fit: cover; }
.hero-factory-shot figcaption {
  position: absolute; right: 0; bottom: 0; z-index: 1;
  background: var(--yellow); color: var(--ink); padding: .45rem .7rem;
  font-family: var(--font-mono); font-weight: 700; font-size: .66rem; letter-spacing: .08em; text-transform: uppercase;
}
.hero-product-shot { position: absolute; left: 0; bottom: 0; width: 78%; aspect-ratio: 4 / 3; background: #25252B; box-shadow: 18px 20px 0 rgba(0, 0, 0, .2); }
.hero-product-shot img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 54%; }
.hero-product-shot::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 48%, rgba(0, 0, 0, .78) 100%); pointer-events: none; }
.hero-product-shot figcaption { position: absolute; z-index: 1; left: 1.15rem; right: 1.15rem; bottom: 1rem; display: flex; flex-direction: column; gap: .2rem; }
.hero-product-shot figcaption span { font-family: var(--font-mono); font-size: .62rem; letter-spacing: .13em; color: rgba(255, 255, 255, .68); text-transform: uppercase; }
.hero-product-shot figcaption strong { font-family: var(--font-cond); font-size: 1.45rem; letter-spacing: .08em; text-transform: uppercase; color: #fff; }
.hero-real-stamp {
  position: absolute; z-index: 2; right: 0; bottom: 7%; width: 102px; height: 102px;
  display: grid; place-content: center; gap: .2rem; text-align: center;
  border: 1px solid var(--yellow); background: rgba(23, 23, 27, .93); color: var(--yellow);
  transform: rotate(7deg);
}
.hero-real-stamp b { font-family: var(--font-display); font-size: 1.25rem; line-height: 1; letter-spacing: .04em; }
.hero-real-stamp small { font-family: var(--font-mono); font-size: .55rem; line-height: 1.4; letter-spacing: .11em; color: rgba(255, 255, 255, .72); }

/* ---------------- 数据条 ---------------- */
.stats { border-bottom: 1px solid var(--line); background: var(--paper); }
.stats-in {
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.stat {
  padding: 2rem 1.4rem;
  border-left: 1px solid var(--line);
  display: flex; flex-direction: column; gap: .35rem;
}
.stat:first-child { border-left: 0; }
.stat-num {
  font-family: var(--font-cond); font-weight: 700;
  font-size: clamp(2rem, 4vw, 2.7rem); line-height: 1;
  color: var(--ink);
}
.stat-label {
  font-family: var(--font-mono); font-size: .72rem;
  letter-spacing: .18em; text-transform: uppercase; color: var(--dim);
}

/* ---------------- 跑马灯 ---------------- */
.marquee {
  background: var(--yellow); overflow: hidden;
  border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink);
  padding: .7rem 0;
}
.marquee-track { display: flex; width: max-content; animation: marquee 36s linear infinite; }
@keyframes marquee { to { transform: translateX(-50%); } }
.mq-item {
  display: flex; align-items: center; gap: 1.6rem;
  padding: 0 1.6rem;
  font-family: var(--font-cond); font-weight: 700;
  font-size: 1.06rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--ink); white-space: nowrap;
}
.mq-item i { font-style: normal; color: rgba(23, 23, 27, .4); font-weight: 600; }

/* ---------------- 通用区块 ---------------- */
.section { padding: clamp(64px, 9vw, 118px) 0; }
.section--paper { background: var(--paper); }
.section--white { background: var(--white); }
.section--dark { background: var(--ink); color: #fff; }

.section-head { max-width: 760px; margin-bottom: 3rem; }
.section-head h2, .why-copy h2 {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(1.9rem, 4.4vw, 3.1rem);
  line-height: 1.12; margin-bottom: 1rem;
}
.section-sub { color: var(--dim); max-width: 60ch; }
.section--dark .section-sub { color: #B9B9C1; }
.spec-note {
  margin-top: 2.4rem;
  font-family: var(--font-mono); font-size: .8rem; color: var(--dim);
}

/* ---------------- 实景展示 ---------------- */
.real-evidence { background: #fff; overflow: hidden; }
.real-evidence-head { margin-bottom: 3.4rem; }
.evidence-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 1.35rem; align-items: stretch; }
.evidence-factory { position: relative; min-height: 100%; overflow: hidden; margin: 0; background: var(--ink); border: 1px solid var(--ink); }
.evidence-factory img { width: 100%; height: 100%; min-height: 440px; object-fit: cover; object-position: center; transition: transform .7s cubic-bezier(.22, 1, .36, 1); }
.evidence-factory:hover img { transform: scale(1.035); }
.evidence-factory::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 46%, rgba(23, 23, 27, .83) 100%); pointer-events: none; }
.evidence-factory figcaption { position: absolute; z-index: 1; left: 1.5rem; right: 1.5rem; bottom: 1.35rem; display: flex; flex-direction: column; gap: .2rem; color: #fff; }
.evidence-factory figcaption span { font-family: var(--font-mono); font-size: .68rem; color: var(--yellow); letter-spacing: .12em; text-transform: uppercase; }
.evidence-factory figcaption strong { font-family: var(--font-display); font-size: clamp(1.35rem, 3vw, 2rem); font-weight: 400; }
.evidence-cards { display: grid; grid-template-rows: 1fr 1fr; gap: 1.35rem; }
.evidence-card { display: grid; grid-template-columns: minmax(150px, .8fr) 1.2fr; min-height: 0; background: var(--ink); color: #fff; border: 1px solid var(--ink); overflow: hidden; }
.evidence-card figure { position: relative; margin: 0; overflow: hidden; background: #25252B; }
.evidence-card figure::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent 65%, var(--ink)); pointer-events: none; }
.evidence-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.22, 1, .36, 1); }
.evidence-card--lift img { object-position: center 62%; }
.evidence-card:hover img { transform: scale(1.06); }
.evidence-card-copy { display: flex; flex-direction: column; justify-content: center; padding: 1.45rem; }
.evidence-card-copy p { font-family: var(--font-mono); font-size: .64rem; letter-spacing: .14em; color: var(--yellow); text-transform: uppercase; margin-bottom: .55rem; }
.evidence-card-copy h3 { font-family: var(--font-cond); font-size: clamp(1.35rem, 2.3vw, 1.8rem); letter-spacing: .06em; text-transform: uppercase; margin-bottom: .5rem; }
.evidence-card-copy span { color: #B9B9C1; font-size: .9rem; line-height: 1.55; }

/* ---------------- 产品卡片 ---------------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.6rem;
}
.product-card {
  position: relative;
  background: var(--ink); color: #fff;
  overflow: hidden;
  display: flex; flex-direction: column;
  border: 1px solid transparent;
  transition: transform .35s cubic-bezier(.22, 1, .36, 1), box-shadow .35s ease, border-color .35s ease;
}
.product-card:hover {
  transform: translateY(-7px);
  box-shadow: 0 26px 50px rgba(23, 23, 27, .32);
  border-color: rgba(245, 184, 0, .55);
}
.card-img { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s cubic-bezier(.22, 1, .36, 1); }
.product-card--contain .card-img { background: #282A2E; }
.product-card--contain .card-img img { object-fit: contain; padding: .65rem; }
.product-card:hover .card-img img { transform: scale(1.07); }
.card-img::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(105deg, transparent 42%, rgba(245, 184, 0, .18) 50%, transparent 58%);
  transform: translateX(-130%);
  transition: transform .9s ease;
  pointer-events: none;
}
.product-card:hover .card-img::after { transform: translateX(130%); }
.card-idx {
  position: absolute; top: 14px; left: 14px; z-index: 1;
  font-family: var(--font-mono); font-weight: 700; font-size: .85rem;
  background: var(--yellow); color: var(--ink);
  padding: .3rem .7rem;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
}
.card-body { display: flex; flex-direction: column; gap: .55rem; padding: 1.4rem 1.5rem 1.6rem; }
.card-name { font-family: var(--font-display); font-weight: 400; font-size: 1.22rem; }
.card-name-en {
  font-family: var(--font-mono); font-size: .7rem;
  letter-spacing: .16em; text-transform: uppercase; color: var(--dim);
}
.card-tag { color: #B9B9C1; font-size: .95rem; min-height: 2.7em; }
.card-chips { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .2rem; }
.card-link {
  margin-top: auto; padding-top: 1rem;
  font-family: var(--font-cond); font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--yellow); display: flex; align-items: center; gap: .5rem;
}
.card-link i { font-style: normal; transition: transform .2s ease; }
.product-card:hover .card-link i { transform: translateX(5px); }

.chip {
  display: inline-block;
  font-family: var(--font-mono); font-size: .74rem; letter-spacing: .04em;
  border: 1px solid var(--line); padding: .42rem .8rem;
  color: var(--ink);
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.chip:hover { background: var(--ink); border-color: var(--ink); color: #fff; }
.chip--dark { border-color: rgba(255, 255, 255, .28); color: rgba(255, 255, 255, .85); }
.chip--dark:hover { background: var(--yellow); border-color: var(--yellow); color: var(--ink); }

/* ---------------- 关于板块(首页) ---------------- */
.why { border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.why-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.why-copy > p { color: #B9B9C1; margin-bottom: 1.1rem; max-width: 62ch; }
.why-copy h2 { margin-top: 0; }
.std-badge {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--font-mono); font-size: .78rem;
  border: 1px solid rgba(245, 184, 0, .5); color: rgba(255, 255, 255, .8);
  padding: .55rem 1rem; margin: 1rem 0 1.6rem;
}
.std-badge i { color: var(--yellow); font-style: normal; }
.std-badge b { color: var(--yellow); letter-spacing: .05em; }

.side-title {
  font-family: var(--font-mono); font-size: .78rem; font-weight: 600;
  letter-spacing: .26em; text-transform: uppercase;
  color: var(--yellow); margin: 1.8rem 0 1.1rem;
}
.side-title:first-child { margin-top: 0; }
.side-title--code { margin-top: 2.6rem; }

.value-list { border-top: 1px solid var(--line-dark); }
.value-list li {
  display: flex; align-items: baseline; gap: 1.1rem;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--line-dark);
  transition: background .18s ease, padding-left .25s ease;
}
.value-list li:hover { background: rgba(245, 184, 0, .06); padding-left: .7rem; }
.vl-idx { font-family: var(--font-mono); font-size: .78rem; color: var(--yellow); }
.vl-name { font-weight: 700; font-size: 1.12rem; }
.vl-en { margin-left: auto; font-family: var(--font-mono); font-size: .72rem; color: var(--dim); text-transform: uppercase; letter-spacing: .1em; }

.code-list { display: flex; flex-wrap: wrap; gap: .8rem; }
.code-list li {
  display: flex; align-items: center; gap: .6rem;
  border: 1px solid rgba(255, 255, 255, .22);
  padding: .65rem 1rem;
  font-size: .95rem; color: rgba(255, 255, 255, .88);
  transition: border-color .18s ease, color .18s ease;
}
.code-list li:hover { border-color: var(--yellow); color: var(--yellow); }
.code-list b {
  font-family: var(--font-mono); font-size: .75rem;
  color: var(--yellow); font-weight: 600;
}

/* ---------------- CTA 横幅 ---------------- */
.cta-banner { background: var(--yellow); padding: clamp(52px, 7vw, 84px) 0; border-top: 2px solid var(--ink); }
.cta-in { display: flex; align-items: center; justify-content: space-between; gap: 2.5rem; flex-wrap: wrap; }
.cta-copy h2 {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(1.7rem, 4vw, 2.7rem); line-height: 1.14; margin-bottom: .6rem;
}
.cta-copy p { max-width: 54ch; color: rgba(23, 23, 27, .78); }
.cta-actions { display: flex; flex-wrap: wrap; gap: .9rem; }

/* ---------------- 子页页头 ---------------- */
.page-hero { padding: calc(var(--header-h) + 64px) 0 72px; }
.page-hero h1 {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(2.2rem, 6vw, 3.6rem); line-height: 1.08;
}
.page-hero .section-sub { margin-top: 1rem; }

/* ---------------- 产品详情 ---------------- */
.detail-hero { padding: calc(var(--header-h) + 46px) 0 60px; }
.crumbs {
  display: flex; align-items: center; gap: .7rem;
  font-family: var(--font-mono); font-size: .75rem; letter-spacing: .1em;
  color: var(--dim); margin-bottom: 2.4rem;
}
.crumbs a { color: rgba(255, 255, 255, .6); transition: color .18s ease; }
.crumbs a:hover { color: var(--yellow); }
.crumbs i { font-style: normal; color: rgba(255, 255, 255, .25); }

.detail-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.detail-copy h1 {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(2.1rem, 5.4vw, 3.3rem); margin-bottom: .9rem;
}
.detail-tagline { color: #B9B9C1; font-size: 1.08rem; margin-bottom: 1.8rem; }
.detail-fig img {
  width: 100%; aspect-ratio: 10 / 7; object-fit: cover;
  border: 1px solid var(--line-dark);
}
.detail-fig--contain { display: grid; place-items: center; background: #25252B; border: 1px solid var(--line-dark); }
.detail-fig--contain img { object-fit: contain; padding: 1.1rem; border: 0; }

.detail-body { display: flex; flex-direction: column; gap: 3.2rem; }
.block-title {
  display: flex; align-items: center; gap: .8rem;
  font-family: var(--font-cond); font-weight: 700;
  font-size: 1.5rem; letter-spacing: .08em; text-transform: uppercase;
  margin-bottom: 1.3rem;
}
.block-title span { color: var(--yellow-deep); font-family: var(--font-mono); font-size: 1rem; }

.prose p { color: #4A4A52; max-width: 72ch; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); }
.spec-table { width: 100%; border-collapse: collapse; min-width: 560px; }
.spec-table th, .spec-table td {
  padding: .95rem 1.2rem;
  border-bottom: 1px solid var(--line);
  font-size: .95rem; text-align: left;
  vertical-align: top;
}
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }
.spec-table th {
  width: 240px;
  font-family: var(--font-mono); font-size: .78rem; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase;
  background: var(--ink); color: rgba(255, 255, 255, .85);
}
.spec-table td { font-family: var(--font-mono); background: #fff; }
.spec-table tr:hover td { background: rgba(245, 184, 0, .07); }

.model-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.2rem;
}
.model-card { border: 1px solid var(--line); background: #fff; }
.model-name {
  background: var(--ink); color: var(--yellow);
  font-family: var(--font-mono); font-size: .95rem; font-weight: 600; letter-spacing: .1em;
  padding: .85rem 1.2rem;
  display: flex; align-items: center; gap: .7rem;
}
.model-name::before { content: "▣"; font-size: .8rem; color: rgba(255, 255, 255, .4); }
.model-rows { padding: .4rem 1.2rem .8rem; }
.model-row {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: .55rem 0;
  border-bottom: 1px dashed var(--line);
  font-size: .9rem;
}
.model-row:last-child { border-bottom: 0; }
.model-row span { font-family: var(--font-mono); font-size: .76rem; color: var(--dim); }
.model-row strong { text-align: right; font-weight: 600; }

.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.feature {
  background: #fff; border: 1px solid var(--line);
  border-left: 3px solid var(--yellow);
  padding: 1.15rem 1.3rem;
  transition: transform .2s ease, box-shadow .2s ease;
}
.feature:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(23, 23, 27, .1); }
.feature-idx { font-family: var(--font-mono); font-size: .78rem; font-weight: 700; color: var(--yellow-deep); }
.feature p { margin-top: .4rem; font-size: .95rem; color: #4A4A52; }

.chips { display: flex; flex-wrap: wrap; gap: .7rem; }

.check-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: .7rem 2rem; }
.check-list li {
  position: relative; padding-left: 1.6rem;
  color: #4A4A52; font-size: .97rem;
}
.check-list li::before {
  content: "▸"; position: absolute; left: 0; top: 0;
  color: var(--yellow-deep); font-weight: 700;
}

.note {
  display: flex; gap: 1rem; align-items: flex-start;
  border-left: 4px solid var(--yellow);
  background: rgba(245, 184, 0, .09);
  padding: 1.1rem 1.3rem;
  color: #4A4A52; font-size: .93rem;
}
.note b { flex: none; color: var(--ink); }

.cta-panel {
  background: var(--ink); color: #fff;
  border-top: 4px solid var(--yellow);
  padding: clamp(1.8rem, 4vw, 2.6rem);
  display: flex; align-items: center; justify-content: space-between;
  gap: 2rem; flex-wrap: wrap;
}
.cta-panel-copy h3 {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(1.3rem, 3vw, 1.8rem); margin-bottom: .4rem;
}
.cta-panel-copy p { color: #B9B9C1; max-width: 46ch; }

/* ---------------- 关于页 ---------------- */
.about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.about-stats { display: grid; grid-template-columns: repeat(2, 1fr); border: 1px solid var(--line); background: #fff; }
.about-stats .stat { padding: 1.6rem 1.3rem; border-top: 1px solid var(--line); }
.about-stats .stat:nth-child(-n + 2) { border-top: 0; }
.about-stats .stat:nth-child(odd) { border-left: 0; }

.mission-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.mission blockquote {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(1.6rem, 4vw, 2.5rem); line-height: 1.25;
  color: #fff; position: relative;
  padding-top: 1.4rem;
}
.mission blockquote::before {
  content: ""; position: absolute; top: 0; left: 0;
  width: 56px; height: 4px; background: var(--yellow);
}
.mission-grid .side-title, .mission-grid .code-list, .mission-grid .value-list { margin-left: 0; }

.std-block { max-width: 860px; }
.std-text { color: #4A4A52; margin-bottom: 1.6rem; max-width: 76ch; }

.about-proof { padding-top: clamp(70px, 9vw, 112px); padding-bottom: clamp(70px, 9vw, 112px); }
.about-proof-grid { display: grid; grid-template-columns: .86fr 1.14fr; gap: clamp(2rem, 5vw, 5.5rem); align-items: center; }
.about-proof-copy h2 { font-family: var(--font-display); font-weight: 400; font-size: clamp(1.9rem, 4vw, 3rem); line-height: 1.14; margin-bottom: 1.1rem; }
.about-proof-copy > p:last-child { color: #B9B9C1; max-width: 52ch; }
.about-proof-photo { position: relative; margin: 0; border: 1px solid rgba(255, 255, 255, .25); overflow: hidden; background: #25252B; }
.about-proof-photo img { width: 100%; aspect-ratio: 2.3 / 1; object-fit: cover; }
.about-proof-photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 58%, rgba(0, 0, 0, .65)); pointer-events: none; }
.about-proof-photo figcaption { position: absolute; z-index: 1; right: 0; bottom: 0; background: var(--yellow); color: var(--ink); padding: .45rem .7rem; font-family: var(--font-mono); font-weight: 700; font-size: .65rem; letter-spacing: .1em; text-transform: uppercase; }

.credentials-section { border-top: 1px solid var(--line); }
.credentials-grid { display: grid; grid-template-columns: .92fr .92fr 1.16fr; gap: 1.25rem; align-items: stretch; }
.credentials-photo { margin: 0; overflow: hidden; background: #E6E5DE; border: 1px solid var(--line); }
.credentials-photo img { width: 100%; height: 100%; min-height: 360px; object-fit: cover; transition: transform .55s cubic-bezier(.22, 1, .36, 1); }
.credentials-photo--wall img { object-position: 45% 50%; }
.credentials-photo--gallery img { object-position: 50% 56%; }
.credentials-photo:hover img { transform: scale(1.04); }
.credentials-copy { display: flex; flex-direction: column; justify-content: flex-end; min-height: 360px; padding: 1.7rem; border: 1px solid var(--ink); background: var(--yellow); color: var(--ink); }
.credentials-code { margin-bottom: auto; font-family: var(--font-mono); font-weight: 700; font-size: .72rem; letter-spacing: .12em; }
.credentials-copy p { max-width: 26ch; font-family: var(--font-cond); font-size: clamp(1.35rem, 2.6vw, 2rem); font-weight: 700; line-height: 1.1; letter-spacing: .02em; }

/* ---------------- 联系页 ---------------- */
.contact-grid {
  display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 2.2rem; }
.info-block h4 {
  font-family: var(--font-mono); font-size: .78rem; font-weight: 600;
  letter-spacing: .24em; text-transform: uppercase;
  color: var(--yellow-deep);
  display: flex; align-items: center; gap: .7rem;
  margin-bottom: .7rem;
}
.info-block h4::before { content: "//"; color: var(--ink); opacity: .35; }
.info-block p { color: #4A4A52; max-width: 42ch; }
.note-block p { font-size: .92rem; }

.wa-link {
  display: inline-flex; align-items: center; gap: .6rem;
  color: var(--yellow-deep); font-weight: 600;
  transition: color .18s ease;
}
.wa-link:hover { color: var(--ink); }
.wa-link--big {
  font-family: var(--font-cond); font-weight: 700;
  font-size: 1.45rem; letter-spacing: .04em;
}
.wa-link .wa-icon { color: var(--wa); }

/* 联系方式(邮箱 / Facebook / 微信复制) */
.contact-link {
  display: inline-flex; align-items: center; gap: .3rem;
  color: var(--yellow-deep); font-weight: 600;
  word-break: break-all; transition: color .18s ease;
}
.contact-link:hover { color: var(--ink); }
.site-footer .contact-link:hover { color: var(--yellow); }
.ext-arrow { font-style: normal; font-size: .85em; }
.contact-value { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
.contact-tip { font-family: var(--font-mono); font-size: .72rem; color: var(--dim); margin-top: .3rem; }
.copy-btn {
  font-family: var(--font-mono); font-size: .68rem; letter-spacing: .08em;
  border: 1px solid var(--ink); background: transparent; color: var(--ink);
  padding: .18rem .6rem; cursor: pointer; transition: all .15s ease;
}
.copy-btn:hover { border-color: var(--yellow-deep); color: var(--yellow-deep); }
.copy-btn.copied { border-color: #1B9E5B; color: #1B9E5B; }

.contact-form { background: #fff; border: 1.5px solid var(--ink); padding: clamp(1.6rem, 3.5vw, 2.4rem); box-shadow: 9px 9px 0 rgba(245, 184, 0, .85); }
.inquiry-form { display: flex; flex-direction: column; gap: 1.15rem; }
.form-trap {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}
.field label {
  display: block;
  font-family: var(--font-mono); font-size: .74rem; font-weight: 600;
  letter-spacing: .2em; text-transform: uppercase;
  margin-bottom: .45rem;
}
.field label b { color: var(--yellow-deep); }
.field input, .field textarea {
  width: 100%;
  font-family: var(--font-body); font-size: .97rem;
  background: transparent;
  border: 1px solid var(--ink);
  padding: .8rem 1rem;
  border-radius: 0;
  color: var(--ink);
  transition: box-shadow .18s ease, border-color .18s ease;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input::placeholder, .field textarea::placeholder { color: #A6A6AD; }
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--yellow-deep);
  box-shadow: 4px 4px 0 rgba(245, 184, 0, .5);
}
.form-hint { font-family: var(--font-mono); font-size: .74rem; color: var(--dim); }

/* 表单提交状态(成功 / 失败 + mailto 兜底链接) */
.form-status {
  font-family: var(--font-mono); font-size: .78rem; line-height: 1.65;
  min-height: 1.3rem;
}
.form-status--ok { color: #1B9E5B; }
.form-status--err { color: #D64545; }
.form-status--err a {
  color: var(--yellow-deep); text-decoration: underline;
  word-break: break-all;
}
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

/* ---------------- 页脚 ---------------- */
.site-footer { background: var(--ink); color: #fff; border-top: 1px solid var(--line-dark); }
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 2.5rem; padding: 3.4rem 24px 2.8rem;
}
.f-brand { display: flex; flex-direction: column; align-items: flex-start; gap: .9rem; }
.f-brand-logo { display: block; width: 172px; height: auto; background: #fff; padding: 4px; }
.f-brand .brand-name { font-size: 1.5rem; }
.f-slogan { color: var(--yellow); font-weight: 600; }
.f-desc { color: var(--dim); font-size: .92rem; max-width: 32ch; }
.f-col { display: flex; flex-direction: column; gap: .65rem; }
.f-col h4 {
  font-family: var(--font-mono); font-size: .76rem; font-weight: 600;
  letter-spacing: .24em; text-transform: uppercase; color: var(--dim);
  margin-bottom: .5rem;
}
.f-col a { color: rgba(255, 255, 255, .78); font-size: .95rem; transition: color .18s ease, padding-left .18s ease; width: fit-content; }
.f-col a:hover { color: var(--yellow); padding-left: .45rem; }
.f-addr { color: rgba(255, 255, 255, .6); font-size: .93rem; max-width: 30ch; }
.footer-bar { border-top: 1px solid var(--line-dark); padding: 1.1rem 0; }
.footer-bar-in { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-family: var(--font-mono); font-size: .72rem; letter-spacing: .08em; color: var(--dim); }
.footer-slogan { color: rgba(255, 255, 255, .5); }

/* ---------------- WhatsApp 悬浮按钮 ---------------- */
.wa-float {
  position: fixed; right: 20px; bottom: calc(20px + env(safe-area-inset-bottom));
  z-index: 75;
  display: flex; align-items: center; gap: .7rem;
}
.wa-float-btn {
  width: 58px; height: 58px; border-radius: 50%;
  background: var(--wa); color: #fff;
  display: grid; place-items: center;
  font-size: 1.7rem;
  box-shadow: 0 10px 26px rgba(37, 211, 102, .45);
  transition: transform .2s ease;
  position: relative;
}
.wa-float-btn::after {
  content: ""; position: absolute; inset: -5px;
  border-radius: 50%;
  border: 2px solid var(--wa);
  animation: waPulse 2s ease-out infinite;
}
.wa-float-btn:hover { transform: scale(1.08); }
.wa-float-label {
  font-family: var(--font-cond); font-weight: 700;
  font-size: .98rem; letter-spacing: .08em; text-transform: uppercase;
  background: var(--ink); color: var(--yellow);
  padding: .5rem .95rem;
  opacity: 0; transform: translateX(8px); pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
  white-space: nowrap;
}
@keyframes waPulse {
  0% { transform: scale(.85); opacity: .9; }
  70% { transform: scale(1.35); opacity: 0; }
  100% { transform: scale(1.35); opacity: 0; }
}
@media (hover: hover) {
  .wa-float:hover .wa-float-label { opacity: 1; transform: translateX(0); }
}

/* ---------------- 滚动显现 ---------------- */
.reveal {
  opacity: 0; transform: translateY(26px);
  transition: opacity .7s ease, transform .75s cubic-bezier(.22, 1, .36, 1);
  transition-delay: var(--d, 0s);
}
.reveal.in { opacity: 1; transform: none; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1080px) {
  .hero-grid, .why-grid, .detail-grid, .about-grid, .mission-grid, .about-proof-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-figure, .hero-visual { max-width: 620px; margin: 1rem auto 0; width: 100%; }
  .evidence-grid { grid-template-columns: 1fr; }
  .evidence-factory img { min-height: 380px; }
  .about-proof-copy { max-width: 680px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-in { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 860px) {
  .nav { display: none; }
  .burger { display: flex; }
  .header-wa span { display: none; }
  .header-wa { padding: .55rem .75rem; }
  .feature-grid, .check-list { grid-template-columns: 1fr; }
  .credentials-grid { grid-template-columns: 1fr 1fr; }
  .credentials-copy { grid-column: 1 / -1; min-height: 210px; }
}

@media (max-width: 640px) {
  .stats-in { grid-template-columns: repeat(2, 1fr); }
  .stat { border-top: 1px solid var(--line); border-left: 0; }
  .stat:nth-child(-n + 2) { border-top: 0; }
  .stat:nth-child(odd) { border-left: 0; }
  .stat:nth-child(even) { border-left: 1px solid var(--line); }
  .hero { padding-top: calc(var(--header-h) + 54px); }
  .hero-visual { min-height: 390px; }
  .hero-factory-shot { width: 96%; }
  .hero-product-shot { width: 87%; }
  .hero-real-stamp { width: 82px; height: 82px; right: 0; bottom: 8%; }
  .hero-real-stamp b { font-size: 1rem; }
  .hero-real-stamp small { font-size: .48rem; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { justify-content: center; }
  .real-evidence-head { margin-bottom: 2.2rem; }
  .evidence-factory img { min-height: 260px; }
  .evidence-factory figcaption { left: 1rem; right: 1rem; bottom: 1rem; }
  .evidence-card { grid-template-columns: minmax(120px, .74fr) 1.26fr; }
  .evidence-card-copy { padding: 1.05rem; }
  .evidence-card-copy h3 { font-size: 1.3rem; }
  .evidence-card-copy span { font-size: .84rem; }
  .credentials-grid { grid-template-columns: 1fr; }
  .credentials-photo img { min-height: 310px; }
  .credentials-copy { grid-column: auto; min-height: 180px; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .brand-sub { display: none; }
  .vl-en { display: none; }
  .cta-panel { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 420px) {
  .container { padding: 0 18px; }
  .header-wa { display: none; }
}

/* ---------------- 无障碍:减弱动效 ---------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .marquee-track { animation: none; }
  .wa-float-btn::after { animation: none; }
}

/* ============================================================
   纪实制造视觉重构：让实拍以原始比例成为主角，去除卡片堆叠。
   ============================================================ */
.hazard-strip { height: 2px; background: var(--yellow); background-size: auto; animation: none; }
.site-header { top: 2px; background: rgba(20, 20, 22, .97); }

.hero--documentary { padding: calc(var(--header-h) + 64px) 0 0; background: #17171B; }
.hero--documentary::before, .hero--documentary::after { display: none; }
.hero-documentary { display: grid; grid-template-columns: minmax(0, 1fr) 250px; column-gap: clamp(2rem, 8vw, 9rem); row-gap: 3.5rem; }
.hero-copy--documentary { max-width: 660px; padding-bottom: 0; }
.hero-copy--documentary .hero-title { font-size: clamp(3rem, 6vw, 5.8rem); letter-spacing: -.025em; }
.hero-copy--documentary .hero-sub { max-width: 49ch; font-size: 1.05rem; }
.hero-fact-sheet { align-self: end; border-top: 1px solid rgba(255,255,255,.33); padding: 1rem 0 1.15rem; display: flex; flex-direction: column; gap: .38rem; }
.hero-fact-sheet span, .hero-fact-sheet em { font-family: var(--font-mono); font-size: .68rem; font-style: normal; letter-spacing: .13em; color: #A9A9B2; text-transform: uppercase; }
.hero-fact-sheet b { color: var(--yellow); font-family: var(--font-cond); font-size: 1.6rem; letter-spacing: .08em; }
.hero-factory-wide { grid-column: 1 / -1; margin: 0; border: 1px solid rgba(255,255,255,.23); background: #25252B; }
.hero-factory-wide img { width: 100%; height: auto; display: block; }
.hero-factory-wide figcaption { display: flex; justify-content: space-between; gap: 1rem; padding: .8rem 1rem; border-top: 1px solid rgba(255,255,255,.22); font-family: var(--font-mono); font-size: .68rem; letter-spacing: .11em; text-transform: uppercase; color: rgba(255,255,255,.7); }
.hero-factory-wide figcaption b { color: var(--yellow); font-weight: 600; }

.real-stories { background: #FBF9F4; }
.real-stories .section-head { margin-bottom: 4.5rem; }
.field-story { display: grid; grid-template-columns: minmax(260px, .72fr) minmax(0, 1.28fr); gap: clamp(2rem, 6vw, 7rem); align-items: center; padding: 2.25rem 0; border-top: 1px solid var(--line); }
.field-story + .field-story { margin-top: 3.2rem; }
.field-story--lift { grid-template-columns: minmax(0, 1.1fr) minmax(260px, .9fr); }
.field-story-copy { max-width: 390px; }
.field-story-index { margin-bottom: 1.1rem; color: var(--yellow-deep); font-family: var(--font-mono); font-size: .7rem; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; }
.field-story-copy h3 { font-family: var(--font-display); font-size: clamp(2rem, 3.5vw, 3.4rem); font-weight: 400; line-height: 1.07; letter-spacing: -.025em; margin-bottom: 1rem; }
.field-story-copy > p:not(.field-story-index) { color: #5D5C62; font-size: 1.04rem; max-width: 27ch; }
.text-link { display: inline-flex; align-items: center; gap: .6rem; margin-top: 2rem; padding-bottom: .32rem; border-bottom: 2px solid var(--yellow); font-family: var(--font-cond); font-weight: 700; font-size: 1rem; letter-spacing: .12em; text-transform: uppercase; transition: color .18s ease, gap .18s ease; }
.text-link:hover { color: var(--yellow-deep); gap: .85rem; }
.text-link i { font-style: normal; }
.field-story-media { margin: 0; background: #E9E7DF; }
.field-story-media img { display: block; width: 100%; height: auto; }
.field-story-media--portrait { display: flex; justify-content: center; padding: clamp(1rem, 3vw, 2.2rem); background: #E9E7DF; }
.field-story-media--portrait img { width: auto; max-width: 100%; max-height: 660px; }

.catalogue { border-top: 1px solid var(--line); }
.catalogue-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--ink); }
.catalogue-item { display: grid; grid-template-columns: 48px minmax(0, 1fr) auto; align-items: center; gap: 1rem; min-height: 104px; padding: 1.2rem 0; border-bottom: 1px solid var(--line); transition: background .2s ease, padding .2s ease; }
.catalogue-item:nth-child(odd) { padding-right: 1.8rem; border-right: 1px solid var(--line); }
.catalogue-item:nth-child(even) { padding-left: 1.8rem; }
.catalogue-item:hover { background: var(--yellow); padding-left: .85rem; padding-right: .85rem; }
.catalogue-index { color: var(--yellow-deep); font-family: var(--font-mono); font-size: .75rem; font-weight: 700; }
.catalogue-item:hover .catalogue-index { color: var(--ink); }
.catalogue-copy { display: flex; flex-direction: column; gap: .25rem; }
.catalogue-copy b { font-family: var(--font-display); font-size: 1.12rem; font-weight: 400; }
.catalogue-copy small { color: var(--dim); font-family: var(--font-mono); font-size: .66rem; letter-spacing: .11em; text-transform: uppercase; }
.catalogue-item:hover .catalogue-copy small { color: rgba(23,23,27,.65); }
.catalogue-arrow { font-family: var(--font-cond); font-size: 1.55rem; color: var(--yellow-deep); }
.catalogue-item:hover .catalogue-arrow { color: var(--ink); }

/* 详情页不再为了版式裁切照片。 */
.detail-fig { margin: 0; }
.detail-fig img { height: auto; aspect-ratio: auto; }
.detail-fig--contain { display: block; border: 0; background: transparent; }
.detail-fig--contain img { display: block; width: auto; max-width: 100%; max-height: 610px; margin: 0 auto; padding: 0; border: 1px solid var(--line-dark); }

/* 厂区和资质照片按原始比例展示，避免景物被二次裁切。 */
.about-proof-photo img { height: auto; aspect-ratio: auto; }
.credentials-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(220px, .78fr); align-items: end; }
.credentials-photo img { height: auto; min-height: 0; object-fit: initial; }
.credentials-copy { min-height: 0; aspect-ratio: 1 / 1; }

@media (max-width: 900px) {
  .hero-documentary { grid-template-columns: 1fr; row-gap: 2rem; }
  .hero-fact-sheet { width: 100%; max-width: none; flex-direction: row; align-items: baseline; justify-content: space-between; gap: 1rem; }
  .hero-factory-wide { grid-column: auto; }
  .field-story, .field-story--lift { grid-template-columns: 1fr; gap: 2rem; }
  .field-story--lift .field-story-media { order: 2; }
  .field-story--lift .field-story-copy { order: 1; }
  .field-story-copy { max-width: 580px; }
  .field-story-copy > p:not(.field-story-index) { max-width: 48ch; }
}

@media (max-width: 640px) {
  .hero--documentary { padding-top: calc(var(--header-h) + 40px); }
  .hero-copy--documentary .hero-title { font-size: clamp(2.65rem, 13vw, 3.7rem); }
  .hero-fact-sheet { display: none; }
  .hero-factory-wide figcaption { align-items: flex-start; flex-direction: column; gap: .28rem; font-size: .6rem; }
  .real-stories .section-head { margin-bottom: 2.6rem; }
  .field-story { padding: 1.35rem 0; }
  .field-story + .field-story { margin-top: 2rem; }
  .field-story-copy h3 { font-size: 2rem; }
  .field-story-media--portrait { padding: .8rem; }
  .field-story-media--portrait img { max-height: 560px; }
  .catalogue-list { grid-template-columns: 1fr; }
  .catalogue-item:nth-child(odd), .catalogue-item:nth-child(even) { padding-left: 0; padding-right: 0; border-right: 0; }
  .catalogue-item:hover { padding-left: .6rem; padding-right: .6rem; }
  .credentials-grid { grid-template-columns: 1fr; }
  .credentials-copy { aspect-ratio: auto; min-height: 180px; }
}

/* 第二轮版式校正：首页首屏与联系页共用同一套克制的展厅式节奏。 */
.hero--documentary { padding: calc(var(--header-h) + 46px) 0 54px; }
.hero-documentary { grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr); column-gap: clamp(2.5rem, 6vw, 6rem); row-gap: 0; align-items: center; }
.hero-copy--documentary { max-width: 560px; align-self: start; padding-top: 38px; }
.hero-copy--documentary { min-width: 0; }
.hero-copy--documentary .hero-title { font-size: clamp(2.8rem, 4.5vw, 4.25rem); overflow-wrap: anywhere; }
.hero-copy--documentary .hero-tagline { margin-top: 1rem; }
.hero-copy--documentary .hero-sub { font-size: 1rem; }
.hero-copy--documentary .hero-cta { margin-top: 1.8rem; }
.hero-evidence { display: grid; gap: .9rem; width: 100%; }
.hero-evidence figure { margin: 0; border: 1px solid rgba(255,255,255,.22); background: #25252B; }
.hero-evidence img { display: block; width: 100%; height: auto; }
.hero-evidence figcaption { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .62rem .78rem; font-family: var(--font-mono); font-size: .62rem; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.66); }
.hero-evidence figcaption b { color: var(--yellow); font-weight: 600; }
.hero-evidence-product figcaption b { font-family: var(--font-cond); font-size: 1.1rem; letter-spacing: .08em; }
.hero-fact-sheet, .hero-factory-wide { display: none; }

html[lang="ru"] .hero-copy--documentary .hero-title,
html[lang="kk"] .hero-copy--documentary .hero-title {
  max-width: none;
  font-size: clamp(2.25rem, 3.4vw, 3.45rem);
  letter-spacing: -.035em;
  overflow-wrap: normal;
  word-break: keep-all;
}
html[lang="th"] .hero-copy--documentary .hero-title { font-size: clamp(2.35rem, 3.8vw, 3.7rem); line-height: 1.16; }

.contact-hero { padding: calc(var(--header-h) + 64px) 0 72px; background: var(--ink); color: #fff; }
.contact-hero-in { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, .72fr); gap: clamp(2rem, 7vw, 8rem); align-items: end; }
.contact-hero h1 { font-family: var(--font-display); font-size: clamp(2.8rem, 5vw, 4.4rem); font-weight: 400; letter-spacing: -.03em; line-height: 1.06; }
.contact-hero .section-sub { margin-top: 1.1rem; max-width: 52ch; }
.contact-hero-wa { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: .8rem; padding: 1.25rem 1.35rem; border: 1px solid rgba(255,255,255,.28); background: #202025; transition: border-color .2s ease, transform .2s ease; }
.contact-hero-wa:hover { border-color: var(--yellow); transform: translateY(-2px); }
.contact-hero-wa svg { color: var(--yellow); font-size: 1.2rem; }
.contact-hero-wa span { grid-column: 2; font-size: .92rem; color: rgba(255,255,255,.68); }
.contact-hero-wa b { grid-column: 2; font-family: var(--font-body); font-size: 1.5rem; font-weight: 700; letter-spacing: .02em; color: #fff; }
.contact-hero-wa i { grid-column: 3; grid-row: 1 / span 2; color: var(--yellow); font-family: var(--font-cond); font-size: 1.7rem; font-style: normal; }

.contact-main { padding-top: clamp(56px, 6vw, 78px); padding-bottom: clamp(72px, 8vw, 104px); background: var(--paper); }
.contact-layout { display: grid; grid-template-columns: minmax(280px, .78fr) minmax(0, 1.22fr); gap: clamp(2.5rem, 7vw, 8rem); align-items: start; }
.contact-directory { padding-top: .5rem; }
.contact-section-label { color: var(--yellow-deep); font-family: var(--font-body); font-size: .85rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.contact-directory-main { margin: 1rem 0 2.2rem; padding-bottom: 1.8rem; border-bottom: 2px solid var(--ink); display: flex; flex-direction: column; gap: .45rem; }
.contact-directory-main span { color: var(--dim); font-size: .95rem; }
.contact-directory-main a { font-family: var(--font-body); font-size: clamp(1.65rem, 3vw, 2.25rem); font-weight: 700; letter-spacing: 0; color: var(--ink); }
.contact-directory-main a:hover { color: var(--yellow-deep); }
.contact-directory-list { display: flex; flex-direction: column; }
.contact-directory-list > div { padding: 1rem 0; border-bottom: 1px solid var(--line); }
.contact-directory-list dt { margin-bottom: .25rem; color: var(--dim); font-size: .82rem; }
.contact-directory-list dd { color: var(--ink); font-size: 1rem; line-height: 1.55; word-break: break-word; }
.contact-directory-list a { color: var(--ink); text-decoration: underline; text-decoration-color: rgba(245,184,0,.8); text-underline-offset: .2em; }
.contact-directory-list a:hover { color: var(--yellow-deep); }
.contact-directory-list .copy-btn { margin-left: .6rem; vertical-align: middle; }
.contact-directory-note { margin-top: 1.5rem; color: var(--dim); font-size: .9rem; line-height: 1.7; }
.contact-request { padding: clamp(1.45rem, 2.8vw, 2.25rem); border: 1px solid var(--ink); background: #fff; }
.contact-request-head { padding-bottom: 1.35rem; margin-bottom: 1.35rem; border-bottom: 1px solid var(--line); }
.contact-request-head h2 { margin: .45rem 0 .55rem; font-family: var(--font-display); font-size: clamp(1.55rem, 3vw, 2.25rem); font-weight: 400; letter-spacing: -.025em; }
.contact-request-head > p:last-child { max-width: 52ch; color: #5D5C62; }
.contact-request .inquiry-form { gap: 1rem; }
.contact-request .field label { color: #4A4A52; font-family: var(--font-body); font-size: .92rem; font-weight: 700; letter-spacing: 0; text-transform: none; }
.contact-request .field input, .contact-request .field select, .contact-request .field textarea { border-color: rgba(23,23,27,.34); font-family: var(--font-body); border-radius: 0; padding: .75rem .9rem; }
.contact-request .field input:focus, .contact-request .field select:focus, .contact-request .field textarea:focus { border-color: var(--ink); box-shadow: inset 3px 0 0 var(--yellow); }
.contact-request .form-hint, .contact-request .form-status { font-family: var(--font-body); font-size: .86rem; }

.form-fields--split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.35rem; }
.contact-request .field select { width: 100%; min-height: 44px; background: #fff; color: var(--ink); cursor: pointer; }
.contact-request .field textarea { min-height: 104px; }

@media (max-width: 900px) {
  .hero-documentary, .contact-hero-in, .contact-layout { grid-template-columns: 1fr; }
  .hero-documentary { row-gap: 2.2rem; }
  .hero-copy--documentary { max-width: 650px; }
  .hero-evidence { max-width: 720px; }
  .contact-hero-wa { max-width: 620px; }
}

@media (max-width: 640px) {
  .hero--documentary { padding-top: calc(var(--header-h) + 32px); padding-bottom: 32px; }
  .hero-copy--documentary { padding-top: 0; }
  .hero-copy--documentary .hero-title { font-size: clamp(2.45rem, 11.4vw, 3.2rem); }
  .hero-copy--documentary .hero-cta { margin-top: 1.35rem; }
  .hero-evidence { gap: .65rem; }
  .hero-evidence figcaption { align-items: flex-start; flex-direction: column; gap: .18rem; padding: .55rem .65rem; }
  .contact-hero { padding-top: calc(var(--header-h) + 42px); padding-bottom: 48px; }
  .contact-hero-wa { grid-template-columns: auto 1fr auto; padding: 1rem; }
  .contact-hero-wa b { font-size: 1.45rem; }
  .contact-layout { gap: 3rem; }
  .contact-request { padding: 1.4rem; }
  .form-fields--split { grid-template-columns: 1fr; gap: 1.35rem; }
  .header-actions { gap: .55rem; }
  .lang-menu summary { min-width: 54px; }
  .mobile-menu-foot .lang-options { top: auto; bottom: calc(100% + .55rem); left: 0; right: auto; }
}

/* 手机端核心参数改为成组的双列信息卡：避免桌面表格在窄屏横向滚动。 */
@media (max-width: 640px) {
  .detail-body .table-wrap { overflow: visible; border: 0; }
  .detail-body .spec-table,
  .detail-body .spec-table tbody { display: block; width: 100%; min-width: 0; }
  .detail-body .spec-table tr {
    display: grid;
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    margin-bottom: .65rem;
    border: 1px solid var(--line);
  }
  .detail-body .spec-table th,
  .detail-body .spec-table td {
    min-width: 0;
    padding: .82rem .85rem;
    border: 0;
    overflow-wrap: anywhere;
    word-break: break-word;
  }
  .detail-body .spec-table th {
    display: flex;
    align-items: center;
    width: auto;
    font-size: .68rem;
    line-height: 1.38;
    letter-spacing: .075em;
  }
  .detail-body .spec-table td {
    display: block;
    font-size: .84rem;
    line-height: 1.55;
  }
  .detail-body .spec-table tr:last-child { margin-bottom: 0; }
}

/* 新增实拍以完整画面呈现：用资料墙替代说明色块，并把设计过程放入关于我们。 */
.credentials-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}
.credentials-photo { background: #fff; }
.credentials-photo img { display: block; width: 100%; height: auto; }
.credentials-photo--standard { grid-column: 1 / -1; background: #F4F4F1; }

.about-design-note {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(260px, .42fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
  margin-top: clamp(3rem, 6vw, 5.5rem);
  padding-top: clamp(2rem, 4vw, 3.4rem);
  border-top: 1px solid rgba(255, 255, 255, .24);
}
.about-design-copy { max-width: 560px; }
.about-design-copy h3 {
  margin: .6rem 0 1rem;
  color: #fff;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -.025em;
}
.about-design-copy > p:last-child { color: #B9B9C1; max-width: 47ch; }
.about-design-photo {
  position: relative;
  justify-self: end;
  width: 100%;
  max-width: 340px;
  margin: 0;
  border: 1px solid rgba(255, 255, 255, .28);
  background: #25252B;
}
.about-design-photo img { display: block; width: 100%; height: auto; }
.about-design-photo figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  padding: .45rem .7rem;
  background: var(--yellow);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: .64rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}

@media (max-width: 900px) {
  .about-design-note { grid-template-columns: minmax(0, 1fr) minmax(180px, 280px); }
}

@media (max-width: 640px) {
  .credentials-grid { grid-template-columns: 1fr; gap: 1rem; }
  .about-design-note { grid-template-columns: 1fr; gap: 1.4rem; margin-top: 2.8rem; }
  .about-design-photo { justify-self: start; width: min(100%, 320px); }
}