/* 由 tools/styles 分片拼成，别直接改这个文件 */
/* ── 00 色板、字体、重置 ── 色值与对比度见 DESIGN.md，改这里先改那里 */
@font-face {
  font-family: "Archivo";
  font-style: normal;
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
  src: url(/assets/fonts/archivo-var-latin.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/assets/fonts/plexmono-400-latin.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/assets/fonts/plexmono-500-latin.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --navy: #0E2A5A;
  --navy-2: #1A3C78;
  --ink: #111418;
  --graphite: #1C2026;
  --night: #0C0E11;
  --sub: #4A5360;
  --steel: #8A939E;
  --mist: #C9D1DC;
  --mill: #ECEEF1;
  --soft: #F5F6F7;
  --paper: #EBEDF0;
  --line: #D8DCE1;
  --dim: #3A414B;
  --white: #FFFFFF;
  /* 金属渐变字：深浅相间的斜向高光，像打磨过的铝面（只用在装饰性大字） */
  --metal-text: linear-gradient(100deg, #5E656D 0%, #B9BEC4 22%, #F2F3F5 34%, #8C939B 50%, #DADDE1 66%, #6B727A 82%, #C3C8CD 100%);
  --ok: #1E6B3A;
  --bad: #A32020;

  --f-sans: "Archivo", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --f-zh: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;

  --gutter: 20px;
  --maxw: 1440px;
  --header-h: 64px;
  --radius: 2px;
  --pill: 999px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 64px); }
body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--f-sans);
  font-size: 1rem;
  line-height: 1.6;
  font-stretch: 100%;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
html[lang="zh-hans"] body { font-family: "Archivo", var(--f-zh); }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
table { border-collapse: collapse; width: 100%; }
:focus-visible { outline: 2px solid var(--navy); outline-offset: 3px; }

@media (min-width: 720px) { :root { --gutter: 32px; --header-h: 72px; } }
@media (min-width: 1280px) { :root { --gutter: 48px; } }

/* ── 10 版式基础：容器、字级、按钮、标签、规格表 ── */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.mono { font-family: var(--f-mono); font-variant-numeric: tabular-nums; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

h1, h2, h3 { font-weight: 500; letter-spacing: -0.02em; text-wrap: balance; }
h1 { font-size: clamp(2.4rem, 7vw, 5rem); line-height: 1; font-stretch: 112%; letter-spacing: -0.035em; }
h2 { font-size: clamp(1.6rem, 3.6vw, 2.5rem); line-height: 1.08; font-stretch: 108%; }
h3 { font-size: 1.125rem; line-height: 1.3; font-weight: 600; font-stretch: 104%; letter-spacing: -0.01em; }
html[lang="zh-hans"] :is(h1, h2, h3) { letter-spacing: 0; font-stretch: 100%; line-height: 1.2; font-weight: 600; }

/* 大标题：参考站那种整屏大字，宽体、收字距 */
.big-title { font-size: clamp(2.4rem, 6.4vw, 6rem); line-height: .96; font-stretch: 116%; letter-spacing: -0.045em; }
.page-giant { font-size: clamp(3rem, 11vw, 10rem); line-height: .9; font-stretch: 118%; letter-spacing: -0.05em; }
html[lang="zh-hans"] .big-title { font-size: clamp(2.2rem, 5.6vw, 5rem); line-height: 1.1; letter-spacing: .01em; }
html[lang="zh-hans"] .page-giant { font-size: clamp(2.8rem, 9vw, 7.5rem); line-height: 1.05; letter-spacing: .02em; }

.lead { font-size: clamp(1.0625rem, 1.6vw, 1.25rem); line-height: 1.55; color: var(--sub); max-width: 38em; }

/* 眉标：前面一道短切缝（logo 那两道切口的回声），后面是一行等宽小字 */
.eyebrow {
  display: flex; align-items: center; gap: .75rem;
  font-family: var(--f-mono); font-size: .75rem; font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase; color: var(--sub);
  margin-bottom: 1.25rem;
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: currentColor; flex: none; }
html[lang="zh-hans"] .eyebrow { letter-spacing: .08em; font-family: var(--f-mono), var(--f-zh); }

.section { padding-block: clamp(72px, 11vw, 160px); }
.section h2 + * { margin-top: 1.25rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  min-height: 48px; padding: .75rem 1.4rem;
  border: 1px solid transparent; border-radius: var(--pill);
  font-weight: 600; font-size: .975rem; font-stretch: 106%; line-height: 1.2;
  text-decoration: none; cursor: pointer;
  transition: background-color .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
}
.btn .ico { width: 18px; height: 18px; transition: transform .25s var(--ease); }
.btn:hover .ico { transform: translate(2px, -2px); }
.btn-primary { background: var(--navy); color: var(--white); }
.btn-primary:hover { background: var(--navy-2); }
.btn-ghost { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--ink); color: var(--white); }
.btn-light { background: var(--white); color: var(--ink); }
.btn-light:hover { background: var(--mill); }
.btn-glass { background: rgba(255, 255, 255, .55); color: var(--ink); border-color: rgba(17, 20, 24, .18); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }
.btn-glass:hover { background: var(--white); }
.btn-sm { min-height: 40px; padding: .5rem 1.05rem; font-size: .9rem; }
.btn:disabled { opacity: .6; cursor: progress; }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }

.ico { width: 20px; height: 20px; flex: none; }
.link-arrow { display: inline-flex; align-items: center; gap: .5rem; font-weight: 600; color: var(--navy); text-decoration: none; border-bottom: 1px solid currentColor; padding-bottom: 2px; }
.link-arrow .ico { transition: transform .2s var(--ease); }
.link-arrow:hover .ico { transform: translateX(3px); }

.chips { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1.25rem; }
.chips li {
  font-family: var(--f-mono); font-size: .8125rem; line-height: 1.2;
  padding: .4rem .75rem; border: 1px solid var(--line); border-radius: var(--pill);
  color: var(--ink); background: var(--white);
}
html[lang="zh-hans"] .chips li { font-family: var(--f-mono), var(--f-zh); }

.ticks li { position: relative; padding-left: 1.4rem; margin-top: .5rem; }
.ticks li::before { content: ""; position: absolute; left: 0; top: .78em; width: .8rem; height: 2px; background: var(--navy); }

/* 规格表：项目名灰、值用等宽字，像质保书 */
.spec { font-size: .95rem; }
.spec caption { text-align: left; font-weight: 600; padding-bottom: .5rem; }
.spec th, .spec td { text-align: left; vertical-align: top; padding: .75rem 0; border-bottom: 1px solid var(--line); }
.spec tbody tr:first-child :is(th, td) { border-top: 1px solid var(--ink); }
.spec thead th { font-family: var(--f-mono); font-size: .75rem; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; color: var(--sub); border-bottom: 0; padding-bottom: .5rem; }
.spec tbody th { font-weight: 500; color: var(--sub); width: 36%; padding-right: 1rem; }
.spec td { font-family: var(--f-mono); font-size: .875rem; font-variant-numeric: tabular-nums; }
html[lang="zh-hans"] .spec td { font-family: var(--f-mono), var(--f-zh); }

.split { display: grid; gap: 2rem; }
@media (min-width: 960px) { .split { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 4rem; } }

/* ── 20 公共壳：跳转链接、审稿提示、页头（玻璃条 + 胶囊导航）、询盘条、页脚（大字落款）、右侧联系条和询价抽屉 ── */
.skip { position: absolute; left: 8px; top: -60px; z-index: 100; background: var(--navy); color: var(--white); padding: .6rem 1rem; text-decoration: none; }
.skip:focus { top: 8px; }

/* 审稿提示固定在左下角，不占版面、不挡页头 */
.review-banner {
  position: fixed; left: 12px; bottom: 12px; z-index: 60; max-width: min(420px, calc(100vw - 24px));
  background: var(--ink); color: var(--mist); border-radius: 10px;
  font-size: .75rem; line-height: 1.45; padding: .55rem .8rem; box-shadow: 0 8px 24px rgba(0, 0, 0, .25);
}

.site-header {
  position: fixed; inset: 0 0 auto; z-index: 50;
  background: rgba(255, 255, 255, .68);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: background-color .3s var(--ease), border-color .3s var(--ease);
}
.site-header.scrolled { background: rgba(255, 255, 255, .86); border-bottom-color: rgba(17, 20, 24, .08); }
/* 首页首屏：页头浮在液面上，不压一条白带（照皓原）；一滚动就回到半透白底 */
.page-home .site-header:not(.scrolled) { background: transparent; -webkit-backdrop-filter: none; backdrop-filter: none; }
/* 首屏已经有大号名字，页头小标志先藏起来，滚动后再出 */
.page-home .site-header .brand { transition: opacity .3s var(--ease); }
.page-home .site-header:not(.scrolled) .brand { opacity: 0; }
.js.nav-open .page-home .site-header .brand { opacity: 1; }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: var(--header-h); flex-wrap: wrap; padding-inline: var(--gutter); }
.brand img { height: 34px; width: auto; }

.menu-btn { display: none; }
.site-nav { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1.25rem; padding-bottom: .75rem; }
.nav-pill { display: flex; flex-wrap: wrap; gap: .25rem; }
.nav-pill a { display: block; text-decoration: none; font-weight: 500; font-size: .9rem; padding: .45rem .95rem; border-radius: var(--pill); transition: background-color .2s var(--ease), color .2s var(--ease); }
.nav-pill a:hover { background: rgba(17, 20, 24, .07); }
.nav-pill a[aria-current="page"] { background: var(--ink); color: var(--white); }
.nav-side { display: flex; align-items: center; gap: .75rem; }
.lang { font-size: .85rem; text-decoration: none; color: var(--dim); padding: .4rem .7rem; border-radius: var(--pill); border: 1px solid rgba(17, 20, 24, .16); }
.lang:hover { color: var(--ink); border-color: var(--ink); }

/* 有 JS 的窄屏：菜单收进按钮，展开成整屏 */
@media (max-width: 959.98px) {
  .js .menu-btn {
    display: inline-flex; align-items: center; gap: .6rem;
    min-height: 44px; padding: .4rem .2rem .4rem .6rem;
    background: none; border: 0; cursor: pointer; font-weight: 600; font-size: .9375rem;
  }
  .js .menu-bars { position: relative; width: 22px; height: 12px; border-block: 2px solid var(--ink); transition: transform .2s var(--ease); }
  .js.nav-open .menu-bars { transform: scaleY(.4); }
  .js .site-nav { display: none; }
  .js.nav-open .site-header { background: var(--white); }
  .js.nav-open .site-nav {
    display: flex; flex-direction: column; align-items: stretch; gap: 1.5rem;
    width: 100%; min-height: calc(100svh - var(--header-h)); padding: 1rem 0 2rem;
  }
  .js.nav-open .nav-pill { flex-direction: column; gap: 0; }
  .js.nav-open .nav-pill a { padding: 1rem 0; font-size: 1.75rem; font-stretch: 112%; border-radius: 0; border-bottom: 1px solid var(--line); }
  .js.nav-open .nav-pill a[aria-current="page"] { background: none; color: var(--navy); }
  .js.nav-open .nav-side { justify-content: space-between; }
}
@media (min-width: 960px) {
  .header-row { flex-wrap: nowrap; display: grid; grid-template-columns: 1fr auto 1fr; }
  .brand img { height: 38px; }
  .site-nav { display: contents; }
  .nav-pill { flex-wrap: nowrap; background: rgba(255, 255, 255, .6); border: 1px solid rgba(17, 20, 24, .08); border-radius: var(--pill); padding: 4px; }
  .nav-side { justify-self: end; }
}

.inquiry-band { background: var(--navy); color: var(--white); padding-block: clamp(64px, 10vw, 140px); }
.band-row { display: grid; gap: 2rem; align-items: end; }
.inquiry-band h2 { font-size: clamp(2.2rem, 6vw, 5.5rem); line-height: .98; font-stretch: 116%; letter-spacing: -0.04em; max-width: 12em; }
html[lang="zh-hans"] .inquiry-band h2 { letter-spacing: .01em; font-stretch: 100%; line-height: 1.15; }
.band-side p { color: var(--mist); max-width: 26em; margin-bottom: 1.5rem; }
.inquiry-band :focus-visible { outline-color: var(--white); }
@media (min-width: 900px) { .band-row { grid-template-columns: 1.6fr 1fr; } }

.site-footer { background: var(--night); color: var(--mist); font-size: .9375rem; padding-top: clamp(56px, 8vw, 96px); overflow: hidden; }
.site-footer :focus-visible { outline-color: var(--white); }
.footer-top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 1.5rem; padding-bottom: clamp(40px, 6vw, 72px); border-bottom: 1px solid #2A2F37; }
.footer-mail { color: var(--white); text-decoration: none; font-size: clamp(1.4rem, 4vw, 3.2rem); font-stretch: 110%; letter-spacing: -0.02em; overflow-wrap: anywhere; }
.footer-mail .k { display: block; font-family: var(--f-mono); font-size: .75rem; letter-spacing: .14em; text-transform: uppercase; color: var(--steel); margin-bottom: .5rem; }
.footer-mail:hover { text-decoration: underline; text-underline-offset: 6px; text-decoration-thickness: 1px; }
.to-top { display: inline-flex; align-items: center; gap: .5rem; color: var(--white); text-decoration: none; font-size: .875rem; }
.footer-grid { display: grid; gap: 2.25rem; grid-template-columns: 1fr 1fr; padding-top: clamp(40px, 6vw, 64px); }
.footer-brand { grid-column: 1 / -1; }
.footer-brand p { max-width: 26em; }
.site-footer h2 { font-family: var(--f-mono); font-size: .75rem; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--steel); margin-bottom: 1rem; }
html[lang="zh-hans"] .site-footer h2 { font-family: var(--f-zh); letter-spacing: .04em; }
.site-footer li + li { margin-top: .55rem; }
.site-footer a { color: var(--white); text-decoration: none; }
.site-footer .footer-grid a:hover { text-decoration: underline; text-underline-offset: 3px; }
.site-footer .contact .k { display: block; font-size: .8125rem; color: var(--steel); }
.footer-grid > div:last-child { grid-column: 1 / -1; }
.cols-2 { columns: 1; }
.footer-mark { margin-top: clamp(48px, 8vw, 96px); }
.footer-mark img { width: min(100%, 1100px); height: auto; opacity: .92; }
.footer-base { margin-top: clamp(24px, 4vw, 48px); padding-block: 1.5rem; margin-bottom: 0; border-top: 1px solid #2A2F37; font-size: .8125rem; color: var(--steel); }
.footer-base .icp { margin-left: .75em; color: inherit; text-decoration: none; }
.footer-base .icp:hover { text-decoration: underline; }
@media (min-width: 840px) {
  .footer-grid { grid-template-columns: 2fr 1.6fr 1fr 1.3fr; gap: 2.5rem; }
  .footer-brand, .footer-grid > div:last-child { grid-column: auto; }
  .cols-2 { columns: 2; column-gap: 1.5rem; }
  .cols-2 li { break-inside: avoid; }
}

/* 右侧联系条：询价（开抽屉）、WhatsApp、邮件、回顶部。桌面竖排贴右边，手机收成底部一排 */
.dock { position: fixed; z-index: 45; right: 0; left: 0; bottom: 0; display: flex; background: rgba(255, 255, 255, .92); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-top: 1px solid var(--line); padding-bottom: env(safe-area-inset-bottom); }
.dock-btn { flex: 1; display: grid; justify-items: center; gap: .15rem; padding: .5rem .25rem .45rem; text-decoration: none; color: var(--ink); font-size: .6875rem; }
.dock-btn svg { width: 22px; height: 22px; }
.dock-quote { background: var(--navy); color: var(--white); }
.dock-wa svg { color: #128C4A; }
body { padding-bottom: calc(58px + env(safe-area-inset-bottom)); }
.review-banner { bottom: calc(70px + env(safe-area-inset-bottom)); }
@media (min-width: 900px) {
  body { padding-bottom: 0; }
  .review-banner { bottom: 12px; }
  .dock { left: auto; right: 12px; bottom: auto; top: 50%; transform: translateY(-50%); flex-direction: column; gap: 6px; background: none; backdrop-filter: none; -webkit-backdrop-filter: none; border: 0; padding: 0; }
  .dock-btn { position: relative; width: 50px; height: 50px; padding: 0; align-content: center; border-radius: 16px; background: rgba(255, 255, 255, .9); border: 1px solid var(--line); box-shadow: 0 8px 24px -10px rgba(17, 20, 24, .35); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); transition: transform .3s var(--ease), background .3s var(--ease), color .3s var(--ease); }
  .dock-btn span { position: absolute; right: calc(100% + 10px); top: 50%; transform: translate(6px, -50%); white-space: nowrap; background: var(--ink); color: var(--white); font-size: .75rem; padding: .35rem .6rem; border-radius: 8px; opacity: 0; pointer-events: none; transition: opacity .2s var(--ease), transform .3s var(--ease); }
  .dock-btn:hover span, .dock-btn:focus-visible span { opacity: 1; transform: translate(0, -50%); }
  .dock-btn:hover { transform: translateX(-3px); }
  .dock-quote { height: auto; padding: .85rem 0; gap: .5rem; background: var(--navy); border-color: var(--navy); color: var(--white); }
  .dock-quote span { position: static; transform: none; opacity: 1; background: none; padding: 0; writing-mode: vertical-rl; letter-spacing: .2em; font-size: .8125rem; font-weight: 600; pointer-events: auto; }
  html[lang="en"] .dock-quote span { letter-spacing: .08em; }
  .dock-top { opacity: 0; pointer-events: none; transition: opacity .3s var(--ease); }
  .dock.past .dock-top { opacity: 1; pointer-events: auto; }
}
@media (max-width: 899.98px) { .dock-top { display: none; } }

/* 快速询价抽屉：从右边滑出，短表单直接提交到同一个 feedback.php */
.drawer { position: fixed; inset: 0; z-index: 70; }
.drawer[hidden] { display: none; }
.drawer-scrim { position: absolute; inset: 0; background: rgba(12, 14, 17, .42); opacity: 0; transition: opacity .35s var(--ease); }
.drawer-panel { position: absolute; top: 0; right: 0; bottom: 0; width: min(460px, 100%); overflow-y: auto; background: var(--white); padding: clamp(28px, 4vw, 44px) clamp(20px, 3vw, 36px); transform: translateX(100%); transition: transform .45s cubic-bezier(.2, .8, .2, 1); box-shadow: -20px 0 60px rgba(0, 0, 0, .18); }
.drawer.open .drawer-scrim { opacity: 1; }
.drawer.open .drawer-panel { transform: none; }
.drawer-x { position: absolute; top: 14px; right: 14px; width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 50%; background: var(--white); display: grid; place-items: center; cursor: pointer; }
.drawer-x svg { width: 18px; height: 18px; }
.drawer-panel h2 { font-size: clamp(1.5rem, 2.4vw, 2rem); line-height: 1.15; margin-top: .6rem; }
.drawer-lead { color: var(--sub); margin-block: .6rem 1.5rem; font-size: .9375rem; }
.quick-form { display: grid; gap: 1rem; }
.quick-form .form-foot { margin-top: .5rem; }
.drawer-alt { margin-top: 1.5rem; font-size: .875rem; color: var(--sub); }
html.drawer-on { overflow: hidden; }

/* ── 30 首页：液态铝首屏、点亮大字、数字、横滚系列、产品目录、3D 铝箔定制、地球、质量、行业跑马灯 ──
   钉住滚动的场景只在 .js 下拉高；没有 JS 时各段是普通竖排，内容一样完整 */

/* 首屏（10-28 照皓原）：两屏高，液面钉住不动。第一屏大号名字 + 中英两段介绍，第二屏一句大标题。
   液面不蒙白，金属明暗直接露出来；颗粒在着色器里逐像素加，CSS 这层只补一点细颗粒 */
.hero { position: relative; background: #C9CCD0; --hp: 0; }
.hero-stage { position: sticky; top: 0; height: 100svh; min-height: 600px; margin-bottom: calc(-1 * max(100svh, 600px)); overflow: hidden; }
.hero-media { position: absolute; inset: 0; }
.hero-poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-gl { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; transition: opacity 1.4s var(--ease); }
.hero-gl.live { opacity: 1; }
.hero-grain {
  position: absolute; inset: 0; opacity: .18; mix-blend-mode: overlay; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.hero-screen { position: relative; min-height: max(100svh, 600px); display: grid; padding-top: calc(var(--header-h) + 4vh); padding-bottom: clamp(28px, 6vh, 64px); }

/* 第一屏：名字。标志、Shengyuan、竖排「升源」一行排开，像皓原的「■ Haoyuan 皓原」 */
.hero-one { grid-template-rows: auto 1fr auto; }
.js .hero-one { opacity: clamp(0, calc(1 - var(--hp) * 2.6), 1); }
.hero-brand { display: flex; align-items: center; gap: .14em; margin: 0; color: var(--ink); font-size: clamp(2.6rem, 10.4vw, 13rem); line-height: 1; }
.hb-mark { width: .86em; height: .86em; flex: none; margin-right: .1em; }
.hb-en { font-weight: 800; font-stretch: 112%; letter-spacing: -0.045em; line-height: .9; }
.hb-cn { align-self: center; font-size: .3em; font-weight: 700; line-height: 1.02; margin-left: .25em; }
.hero-intro { grid-row: 3; display: grid; gap: 1.25rem; align-items: start; }
.hero-intro p { margin: 0; max-width: 26em; font-size: clamp(1rem, 1.55vw, 1.35rem); line-height: 1.5; color: var(--ink); }
.hero-intro p[lang="en"] { font-stretch: 105%; }
@media (min-width: 900px) { .hero-intro { grid-template-columns: 1fr 1fr; gap: 6vw; } }
/* 手机：底部有一排联系条，介绍文字往上让出来 */
@media (max-width: 899px) { .hero-screen { padding-bottom: 104px; } }
@media (max-width: 599px) { .hero-intro p[lang="en"] { display: none; } html[lang="en"] .hero-intro p[lang="en"] { display: block; } html[lang="en"] .hero-intro p[lang="zh-Hans"] { display: none; } }

/* 第二屏：大标题随滚动浮上来 */
.hero-two { align-content: center; gap: 1.5rem; }
.hero-title {
  font-size: clamp(3.3rem, 11.6vw, 12.5rem); line-height: .9; font-weight: 500; font-stretch: 118%; letter-spacing: -0.055em;
  opacity: clamp(0, calc(var(--hp) * 4 - .7), 1); transform: translateY(calc((.42 - min(var(--hp), .42)) * 40vh));
}
html[lang="zh-hans"] .hero-title { font-size: clamp(3.2rem, 11vw, 10rem); letter-spacing: .02em; font-stretch: 100%; line-height: 1.08; font-weight: 600; }
.line { display: block; overflow: hidden; padding-bottom: .04em; }
.line > span { display: inline-block; }
.hero-two .actions { margin-top: .5rem; }
.scroll-cue { position: absolute; left: 50%; bottom: 18px; transform: translateX(-50%); font-family: var(--f-mono); font-size: .6875rem; letter-spacing: .2em; text-transform: uppercase; color: var(--dim); display: none; }
.scroll-cue span::after { content: ""; display: block; width: 1px; height: 36px; margin: 8px auto 0; background: linear-gradient(var(--dim), transparent); animation: cue 2s var(--ease) infinite; }
@keyframes cue { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }
/* 桌面：液面收进一张圆角卡片，四周留白边（照皓原首屏） */
@media (min-width: 900px) {
  .hero { background: var(--white); }
  .hero-media { inset: 12px; border-radius: 22px; overflow: hidden; }
}
@media (min-width: 1200px) { .scroll-cue { display: block; } }

/* 一句话：滚动时逐词点亮 */
.statement { background: var(--white); }
.scene-pin { position: relative; }
.statement .scene-pin { padding-block: clamp(80px, 14vw, 180px); }
.statement-text { font-size: clamp(1.7rem, 4.4vw, 4.1rem); line-height: 1.14; font-weight: 500; font-stretch: 108%; letter-spacing: -0.03em; max-width: 20em; }
html[lang="zh-hans"] .statement-text { letter-spacing: .02em; line-height: 1.4; font-stretch: 100%; }
.statement-text .k { color: var(--navy); }
.js .statement { height: 300vh; }
.js .statement .scene-pin { position: sticky; top: 0; height: 100vh; display: flex; align-items: center; padding-block: 0; }
/* 逐字显影（10-24 李昌洪要更高端）：每格按自己的序号 --i 从滚动进度 --p 里切出一段 --t（0→1），
   从模糊、下沉、半透明里浮上来；同一时刻约 6 格在过渡，像一道显影线扫过整句。
   显影完 --g 再跑一遍：一道拉丝铝高光沿阅读顺序滑过每个字 */
.js .statement .w {
  --t: clamp(0, calc(((var(--p, 0) * 1.82 - .04) * (var(--n) + 6) - var(--i)) / 6), 1);
  --g: clamp(0, calc(((var(--p, 0) * 2.6 - 1.45) * (var(--n) + 10) - var(--i)) / 10), 1);
  --c: var(--ink);
  display: inline-block;
  opacity: calc(.1 + var(--t) * .9);
  transform: translateY(calc((1 - var(--t)) * .42em));
  color: transparent;
  background: linear-gradient(100deg, var(--c) 0 40%, #9AA3AE 46%, #F4F6F9 50%, #9AA3AE 54%, var(--c) 60% 100%) no-repeat;
  background-size: 300% 100%; background-position: calc((1 - var(--g)) * 100%) 0;
  -webkit-background-clip: text; background-clip: text;
}
.js .statement .w.k { --c: var(--navy); }
@media (min-width: 900px) { .js .statement .w { filter: blur(calc((1 - var(--t)) * 9px)); } }

/* 厚度标尺：对数刻度，读数和滑块跟着同一个进度从 6 μm 走到 200 mm，经过的分区点亮 */
.gauge { margin-top: clamp(36px, 7vh, 80px); max-width: 1100px; --q: 1; }
.gauge-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; font-size: .75rem; letter-spacing: .14em; text-transform: uppercase; color: var(--sub); }
.gauge-read { font-family: var(--f-sans); font-weight: 500; font-stretch: 110%; font-size: clamp(1.5rem, 3vw, 2.6rem); line-height: 1; letter-spacing: -.02em; text-transform: none; color: var(--ink); font-variant-numeric: tabular-nums; }
.gauge-bar { position: relative; height: 2px; margin-top: 1rem; background: var(--line); }
.gauge-fill { position: absolute; inset: 0 auto 0 0; width: calc(var(--q) * 100%); background: linear-gradient(90deg, var(--mist), var(--ink)); }
.gauge-knob { position: absolute; top: 50%; left: calc(var(--q) * 100%); width: 12px; height: 12px; border-radius: 50%; background: var(--navy); transform: translate(-50%, -50%); box-shadow: 0 0 0 6px rgba(14, 42, 90, .12); }
.gauge-ticks { position: relative; height: 1.9rem; font-size: .6875rem; color: var(--sub); }
.gauge-ticks li { position: absolute; top: 0; left: calc(var(--x) * 100%); padding-top: .65rem; transform: translateX(-50%); white-space: nowrap; }
.gauge-ticks li::before { content: ""; position: absolute; top: 0; left: 50%; width: 1px; height: .4rem; background: var(--steel); }
.gauge-ticks li.end:first-child { transform: none; } .gauge-ticks li.end:first-child::before { left: 0; }
.gauge-ticks li.end:last-child { transform: translateX(-100%); } .gauge-ticks li.end:last-child::before { left: auto; right: 0; }
.gauge-zones { position: relative; height: 1.6rem; margin-top: .35rem; font-size: .8125rem; }
.gauge-zones li { position: absolute; top: 0; left: calc(var(--a) * 100%); width: calc((var(--b) - var(--a)) * 100%); padding-top: .45rem; border-top: 1px solid var(--line); color: var(--sub); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: color .4s var(--ease), border-color .4s var(--ease); }
.gauge-zones li + li { padding-left: .6rem; }
.js .gauge-zones li { color: var(--sub); }
.js .gauge-zones li.on { color: var(--ink); border-top-color: var(--ink); }
@media (max-width: 599.98px) { .gauge-zones { font-size: .6875rem; } }

.figures { padding-bottom: clamp(72px, 10vw, 140px); }
.figures-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem 1.5rem; }
.figure { border-top: 1px solid var(--ink); padding-top: 1rem; }
.figure:nth-child(n+3) { grid-column: 1 / -1; }
.fig-n { font-size: clamp(1.9rem, 4vw, 4rem); line-height: 1.05; font-weight: 500; font-stretch: 110%; letter-spacing: -0.04em; font-variant-numeric: tabular-nums; }
.fig-l { font-family: var(--f-mono); font-size: .8125rem; color: var(--sub); margin-top: .6rem; }
@media (min-width: 900px) { .figures-row { grid-template-columns: .7fr .8fr 1.2fr 1.5fr; } .figure:nth-child(n+3) { grid-column: auto; } }

/* 八大系列：桌面钉住横滚，手机原生横向滑动 */
/* 10-24 李昌洪：黑底太压抑，改浅铝灰底，顶上一层白光像打在铝板上 */
.families {
  color: var(--ink); padding-block: clamp(64px, 9vw, 120px); overflow-x: clip;
  background: radial-gradient(120% 70% at 18% 0%, rgba(255, 255, 255, .95) 0%, rgba(255, 255, 255, 0) 60%), linear-gradient(180deg, var(--soft) 0%, var(--mill) 100%);
}
.families .eyebrow { color: var(--sub); }
/* 10-24 李昌洪嫌描边大字 low：换成干净的两栏标题，右边是序号和横滚进度条 */
.fam-head { display: grid; gap: 1.25rem 3rem; align-items: end; margin-bottom: clamp(28px, 4vw, 52px); }
.fam-title { font-size: clamp(2rem, 4.6vw, 4.2rem); line-height: 1.04; font-weight: 500; font-stretch: 112%; letter-spacing: -0.035em; margin-top: .7rem; max-width: 14em; }
html[lang="zh-hans"] .fam-title { letter-spacing: .02em; font-stretch: 100%; font-weight: 600; line-height: 1.2; }
.fam-side { display: grid; gap: .9rem; justify-items: start; }
.fam-lead { color: var(--sub); font-size: 1.0625rem; max-width: 26em; }
.fam-count { font-size: .8125rem; color: var(--sub); letter-spacing: .08em; }
.fam-count span { color: var(--ink); font-weight: 500; }
.fam-progress { display: none; width: min(320px, 100%); height: 2px; background: var(--line); position: relative; overflow: hidden; }
.fam-progress span { position: absolute; inset: 0; background: var(--ink); transform-origin: left; transform: scaleX(calc(.125 + var(--p, 0) * .875)); }
@media (min-width: 900px) { .fam-head { grid-template-columns: 1fr auto; } .fam-side { justify-items: end; text-align: right; } }
.fam-track-wrap { overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; padding-inline: var(--gutter); }
.fam-track-wrap::-webkit-scrollbar { display: none; }
.fam-track { display: flex; gap: clamp(14px, 2vw, 28px); width: max-content; will-change: transform; }
.fcard { width: min(78vw, 420px); scroll-snap-align: start; }
.fcard a { display: block; text-decoration: none; color: inherit; }
.fcard-media { display: block; aspect-ratio: 4 / 5; overflow: hidden; border-radius: 6px; background: var(--paper); box-shadow: 0 1px 0 rgba(255, 255, 255, .9) inset, 0 18px 40px -18px rgba(17, 20, 24, .28); }
.fcard-media img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.04); transition: transform 1s var(--ease); }
.fcard a:hover img { transform: scale(1.1); }
.fcard-body { display: grid; gap: .45rem; padding-top: 1.1rem; }
.fcard-code { font-size: .75rem; color: var(--sub); }
.fcard-name { font-size: clamp(1.35rem, 2.2vw, 1.9rem); font-weight: 500; font-stretch: 110%; letter-spacing: -0.02em; line-height: 1.1; }
.fcard-short { color: var(--sub); font-size: .95rem; }
.fcard-meta { display: inline-flex; align-items: center; gap: .4rem; font-size: .75rem; color: var(--sub); margin-top: .3rem; }
.fcard a:hover .fcard-meta, .fcard a:hover .fcard-name { color: var(--navy); }
.js .families.pinned { padding-block: 0; }
.js .families.pinned .scene-pin { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; justify-content: center; padding-top: var(--header-h); }
.js .families.pinned .fam-track-wrap { overflow: visible; }
.js .families.pinned .fcard { width: clamp(280px, 26vw, 400px); }
.js .families.pinned .fcard-media { aspect-ratio: auto; height: min(42vh, 420px); }
.js .families.pinned .fam-progress { display: block; }

/* 全部产品目录：参考站的编号清单，四列分组；悬停出图跟着鼠标 */
.index .big-title { margin-bottom: clamp(40px, 6vw, 80px); }
.ix-grid { display: grid; gap: 3rem 2.5rem; }
.ix-group h3 { font-size: 1.05rem; padding-bottom: .85rem; border-bottom: 1px solid var(--ink); margin-bottom: .25rem; }
.ix-group h3 a { text-decoration: none; display: flex; gap: .75rem; align-items: baseline; }
.ix-group h3 .mono { font-size: .75rem; color: var(--sub); font-weight: 400; }
.ix-group li a { display: grid; grid-template-columns: 2.2rem 1fr auto; align-items: center; gap: .5rem; padding: .62rem 0; border-bottom: 1px solid var(--line); text-decoration: none; font-size: .95rem; }
.ix-n { font-size: .72rem; color: var(--sub); }
.ix-name { transition: transform .35s var(--ease), color .2s var(--ease); }
.ix-group li .ico { width: 16px; height: 16px; opacity: 0; transform: translate(-6px, 6px); transition: opacity .25s var(--ease), transform .35s var(--ease); }
.ix-group li a:hover .ix-name { transform: translateX(6px); color: var(--navy); }
.ix-group li a:hover .ico { opacity: 1; transform: none; color: var(--navy); }
/* 手机上目录收成胶囊标签，47 个产品不用刷四屏 */
@media (max-width: 719.98px) {
  .ix-group ul { display: flex; flex-wrap: wrap; gap: .4rem; padding-top: .75rem; }
  .ix-group li a { display: inline-block; padding: .4rem .75rem; border: 1px solid var(--line); border-radius: var(--pill); font-size: .85rem; }
  .ix-group li :is(.ix-n, .ico) { display: none; }
}
@media (min-width: 720px) { .ix-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .ix-grid { grid-template-columns: repeat(4, 1fr); } }
.ix-float { position: fixed; left: 0; top: 0; z-index: 30; width: 280px; aspect-ratio: 1; background: var(--mill); pointer-events: none; opacity: 0; transition: opacity .3s var(--ease); border-radius: 6px; overflow: hidden; box-shadow: 0 24px 60px rgba(0, 0, 0, .25); }
.ix-float.show { opacity: 1; }
.ix-img { position: absolute; inset: 0; opacity: 0; transform: scale(1.08); transition: opacity .35s var(--ease), transform .6s var(--ease); }
.ix-img.on { opacity: 1; transform: none; }
.ix-img img { width: 100%; height: 100%; object-fit: cover; }

/* ── 35 首页下半：3D 铝箔定制、地球、质量、行业跑马灯 ── */

/* 定制：两行大字反向滑过，中间一张铝箔片随滚动翻面（正面拉丝银，背面印升源标志） */
.custom { background: linear-gradient(180deg, #E4E7EB, #F2F3F5); overflow-x: clip; }
.custom .scene-pin { padding-block: clamp(72px, 12vw, 140px); display: grid; justify-items: center; gap: 2rem; }
.custom-giant { display: grid; width: 100%; text-align: center; font-size: clamp(3.6rem, 14vw, 14rem); line-height: .86; font-weight: 600; font-stretch: 120%; letter-spacing: -0.055em; white-space: nowrap; pointer-events: none; }
html[lang="zh-hans"] .custom-giant { letter-spacing: .04em; font-stretch: 100%; line-height: 1.05; }
.cg-1 { transform: translateX(calc((.5 - var(--p, .5)) * 34vw)); }
/* 10-28 李昌洪不要描边大字：第二行改实心金属渐变字，像一块打磨过的铝 */
.cg-2 { color: transparent; background: var(--metal-text); -webkit-background-clip: text; background-clip: text; transform: translateX(calc((var(--p, .5) - .5) * 34vw)); }
.sheet3d { perspective: 1400px; width: clamp(200px, 26vw, 380px); aspect-ratio: 3 / 4; }
.sheet3d-card {
  position: relative; width: 100%; height: 100%; transform-style: preserve-3d;
  transform: rotateX(calc(16deg - var(--p, .5) * 10deg)) rotateY(calc(-28deg + var(--p, .5) * 208deg)) rotateZ(-7deg);
  will-change: transform;
}
.sheet3d-face { position: absolute; inset: 0; border-radius: 4px; backface-visibility: hidden; -webkit-backface-visibility: hidden; box-shadow: 0 40px 80px rgba(17, 20, 24, .28); overflow: hidden; }
.sheet3d-face.front {
  background:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .22) 0 1px, transparent 1px 3px),
    linear-gradient(calc(110deg + var(--p, .5) * 80deg), #8E959E 0%, #F4F6F8 28%, #A7AEB7 46%, #FFFFFF 62%, #9BA2AB 100%);
}
.sheet3d-face.back {
  transform: rotateY(180deg); display: grid; place-items: center; color: var(--white);
  background:
    repeating-radial-gradient(circle at 50% 50%, rgba(255, 255, 255, .07) 0 1px, transparent 1px 9px),
    linear-gradient(150deg, #173A75 0%, var(--navy) 55%, #0A1F44 100%);
}
.sheet3d-face.back svg { width: 46%; filter: drop-shadow(0 2px 0 rgba(0, 0, 0, .25)); }
.custom-foot { text-align: center; display: grid; justify-items: center; }
.custom-foot .eyebrow { margin-bottom: .75rem; }
.custom-foot p:not(.eyebrow) { max-width: 30em; color: var(--dim); }
.js .custom { height: 280vh; }
.js .custom .scene-pin { position: sticky; top: 0; height: 100vh; padding-block: calc(var(--header-h) + 2vh) 4vh; align-content: center; gap: 1.5vh; }
.js .custom .sheet3d { width: min(19vw, 30vh, 300px); margin-top: -9vh; position: relative; z-index: 1; }
.js .custom .custom-foot { position: relative; z-index: 2; margin-top: 3vh; }
.js .custom .custom-giant { position: relative; z-index: 0; font-size: min(14vw, 23vh); }
.cap-grid { display: grid; gap: 2.5rem 2rem; }
.cap-grid li { border-top: 1px solid var(--ink); padding-top: 1.1rem; }
.cap-grid p { color: var(--sub); margin-top: .5rem; }
@media (min-width: 720px) { .cap-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .cap-grid { grid-template-columns: repeat(3, 1fr); } }

/* 全球交付 */
.global { background: var(--paper); overflow-x: clip; }
.global-grid { display: grid; gap: 2.5rem; align-items: center; }
.global-text .lead { margin-top: 1.5rem; }
.modes { margin-top: 2.5rem; display: grid; gap: 0; }
.modes li { display: grid; grid-template-columns: minmax(8rem, 1fr) 2fr; gap: 1rem; padding: 1rem 0; border-top: 1px solid rgba(17, 20, 24, .18); }
.modes h3 { font-size: 1rem; }
.modes p { color: var(--sub); font-size: .95rem; }
.globe-box { position: relative; width: 100%; max-width: 680px; justify-self: center; }
.globe { width: 100%; aspect-ratio: 1; cursor: grab; touch-action: pan-y; opacity: 0; transition: opacity 1.2s var(--ease); }
.globe.live { opacity: 1; }
.globe:active { cursor: grabbing; }
@media (min-width: 960px) { .global-grid { grid-template-columns: 1fr 1.1fr; gap: 4rem; } }

/* 质量 */
.quality-grid { display: grid; gap: 2.5rem; align-items: center; }
.quality-media { aspect-ratio: 4 / 3; overflow: hidden; border-radius: 6px; }
.quality-media img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.18) translateY(calc(var(--py, 0) * -7%)); }
.quality-text .lead { margin-top: 1.25rem; }
.q-list { display: grid; gap: 1.75rem 2rem; margin-top: 2.5rem; }
.q-list li { border-top: 1px solid var(--ink); padding-top: 1rem; }
.q-list p { color: var(--sub); font-size: .95rem; margin-top: .4rem; }
@media (min-width: 720px) { .q-list { grid-template-columns: 1fr 1fr; } }
@media (min-width: 960px) { .quality-grid { grid-template-columns: 1fr 1fr; gap: 5rem; } .quality-media { aspect-ratio: 4 / 5; } }

/* 行业跑马灯 */
.industries { padding-block: clamp(56px, 8vw, 110px); overflow: hidden; border-top: 1px solid var(--line); }
.marquee { overflow: hidden; }
.marquee-row { display: flex; width: max-content; animation: marquee 48s linear infinite; }
.marquee-rev .marquee-row { animation-direction: reverse; animation-duration: 56s; }
.marquee span { font-size: clamp(2.2rem, 6.4vw, 5.6rem); line-height: 1.15; font-weight: 500; font-stretch: 116%; letter-spacing: -0.035em; white-space: nowrap; padding-right: .6em; }
.marquee span::after { content: "·"; padding-left: .6em; color: var(--steel); }
.marquee-rev span { color: transparent; background: var(--metal-text); -webkit-background-clip: text; background-clip: text; }
.marquee-rev span::after { background: none; }
html[lang="zh-hans"] .marquee span { letter-spacing: .04em; font-stretch: 100%; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ── 40 内页：页头、面包屑、产品总览卡、系列页（大图页头、目录条、左文右图）、色板、关于、联系表单、隐私、404 ── */
.page-head { background: var(--paper); padding-top: calc(var(--header-h) + clamp(48px, 9vw, 120px)); padding-bottom: clamp(48px, 7vw, 96px); }
.page-head .lead { margin-top: 1.5rem; }
/* 10-24 李昌洪嫌深色压抑：原来的深色页头改成浅铝灰，顶上一层白光（类名保留，免得改模板） */
.page-head-dark { background: radial-gradient(120% 90% at 85% 0%, #FFFFFF 0%, var(--soft) 45%, var(--mill) 100%); color: var(--ink); }
.page-head-dark .lead { color: var(--sub); }
.page-head-dark .crumbs ol, .page-head-dark .crumbs a, .fam-hero .crumbs ol { color: var(--ink); }
.crumbs ol { display: flex; flex-wrap: wrap; gap: .35rem; font-size: .8125rem; color: var(--sub); margin-bottom: 1.75rem; }
.crumbs li + li::before { content: "/"; margin-right: .35rem; opacity: .6; }
.crumbs a { text-decoration: none; }
.crumbs a:hover { text-decoration: underline; }

/* 产品总览：两列大卡片 */
.pcard-grid { display: grid; gap: clamp(48px, 6vw, 80px) clamp(24px, 3vw, 48px); }
.pcard-media { position: relative; display: block; aspect-ratio: 16 / 10; overflow: hidden; border-radius: 6px; background: var(--mill); }
.pcard-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease); }
.pcard:hover .pcard-media img { transform: scale(1.05); }
.pcard-code { position: absolute; left: 14px; top: 12px; font-size: .75rem; color: var(--ink); background: rgba(255, 255, 255, .85); padding: .3rem .6rem; border-radius: var(--pill); }
.pcard-body { padding-top: 1.5rem; }
.pcard h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
.pcard h2 a { text-decoration: none; }
.pcard h2 a:hover { color: var(--navy); }
.pcard-body > p:not(.actions) { color: var(--sub); margin-top: .75rem; }
.pcard-list { display: flex; flex-wrap: wrap; gap: .3rem .9rem; margin-top: 1rem; font-size: .9rem; }
.pcard-list a { color: var(--dim); text-decoration: none; border-bottom: 1px solid var(--line); }
.pcard-list a:hover { color: var(--navy); border-bottom-color: currentColor; }
@media (min-width: 900px) { .pcard-grid { grid-template-columns: 1fr 1fr; } }

/* 系列页 */
.fam-hero { position: relative; min-height: min(86svh, 860px); display: flex; flex-direction: column; color: var(--ink); overflow: hidden; background: var(--mill); }
/* 配图不压在文字底下：手机在文字上方占一块、桌面只占右侧，向文字一侧渐隐进底色（设计检测按图片像素量对比度，盖一层渐变它看不见） */
.fam-hero-media { position: relative; height: clamp(220px, 46svh, 420px); margin-top: var(--header-h); overflow: hidden; }
.fam-hero-media img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.12) translateY(calc(var(--py, 0) * 8%));}
.fam-hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(236, 238, 241, 0) 55%, var(--mill) 100%); }
@media (min-width: 960px) {
  .fam-hero { justify-content: flex-end; }
  .fam-hero-media { position: absolute; inset: 0 0 0 54%; height: auto; margin-top: 0; }
  .fam-hero-media::after { background: linear-gradient(90deg, var(--mill) 0%, rgba(236, 238, 241, 0) 38%); }
}
.fam-hero-inner { position: relative; padding-top: 24px; padding-bottom: clamp(40px, 7vw, 88px); }
@media (min-width: 960px) { .fam-hero-inner { padding-top: calc(var(--header-h) + 64px); } }
.fam-hero .crumbs, .fam-hero .crumbs a { color: var(--ink); }
.fam-hero .lead { color: var(--ink); margin-top: 1.25rem; max-width: 30em; }
.fam-code { font-size: .8125rem; color: var(--ink); margin-bottom: .75rem; }
.fam-hero .chips li { background: rgba(255, 255, 255, .7); border-color: var(--line); color: var(--ink); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.fam-hero :focus-visible { outline-color: var(--navy); }

.fam-toc { position: sticky; top: var(--header-h); z-index: 20; background: rgba(255, 255, 255, .9); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.fam-toc .wrap { display: flex; align-items: center; gap: 1.25rem; overflow-x: auto; scrollbar-width: none; }
.fam-toc .wrap::-webkit-scrollbar { display: none; }
.fam-toc .mono { font-size: .72rem; color: var(--sub); white-space: nowrap; text-transform: uppercase; letter-spacing: .1em; }
.fam-toc ul { display: flex; gap: 1.25rem; }
.fam-toc a { display: block; white-space: nowrap; text-decoration: none; font-size: .875rem; padding: .95rem 0; color: var(--dim); border-bottom: 2px solid transparent; }
.fam-toc a:hover, .fam-toc a.on { color: var(--ink); border-bottom-color: var(--navy); }

.range { padding-top: clamp(24px, 4vw, 48px); }
.range-grid { display: grid; gap: 3rem; }
.pblock { padding-block: clamp(40px, 5vw, 64px); border-bottom: 1px solid var(--line); }
.pblock:last-child { border-bottom: 0; }
.pblock-n { font-size: .75rem; color: var(--sub); margin-bottom: .75rem; }
/* 手机上右边的钉住大图不显示，每个产品自己带一张图 */
.pblock-media { margin: 0 0 1.25rem; aspect-ratio: 1; border-radius: 6px; overflow: hidden; background: var(--mill); }
.pblock-media img { width: 100%; height: 100%; object-fit: cover; }
@media (min-width: 960px) { .pblock-media { display: none; } }
.pblock h2 { font-size: clamp(1.6rem, 3vw, 2.5rem); }
.pblock-text { color: var(--sub); margin-block: .9rem 1.5rem; max-width: 34em; }
.pblock .spec { margin-bottom: 1.5rem; }
.range-media { display: none; }
@media (min-width: 960px) {
  .range-grid { grid-template-columns: minmax(0, 1fr) minmax(0, .92fr); gap: 5rem; }
  .range-media { display: block; }
  .range-sticky { position: sticky; top: calc(var(--header-h) + 80px); aspect-ratio: 1; max-height: calc(100vh - var(--header-h) - 120px); width: 100%; border-radius: 6px; overflow: hidden; background: var(--mill); }
  .slide { position: absolute; inset: 0; opacity: 0; transform: scale(1.06); transition: opacity .8s var(--ease), transform 1.4s var(--ease); }
  .slide.on { opacity: 1; transform: none; }
  .slide img { width: 100%; height: 100%; object-fit: cover; }
}

/* 色板：素色平涂，拉丝带细纹，镜面是高反差渐变 */
.finishes { background: var(--paper); }
.fgroups { display: grid; gap: 2rem; margin-top: 2rem; }
.fgroup h3 { font-family: var(--f-mono); font-size: .75rem; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: var(--sub); padding-bottom: .75rem; border-bottom: 1px solid var(--ink); margin-bottom: 1rem; }
html[lang="zh-hans"] .fgroup h3 { font-family: var(--f-zh); font-size: .9375rem; letter-spacing: .04em; color: var(--ink); }
.swatches { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 1rem .75rem; }
.swatches li { font-size: .875rem; }
.sw { display: block; height: 64px; margin-bottom: .5rem; border: 1px solid rgba(17, 20, 24, .18); border-radius: 4px; }
.sw-solid.sw-black { background: #15171A; }
.sw-solid.sw-white { background: #F7F7F5; }
.sw-solid.sw-red { background: #B3261E; }
.sw-solid.sw-blue { background: #1F4E9A; }
.sw-solid.sw-brown { background: #5E3B24; }
.sw-solid.sw-darkgreen { background: #1F4A35; }
.sw-solid.sw-darkgrey { background: #474C53; }
.sw-solid.sw-matteblack { background: #26282B; }
.sw-solid:not(.sw-matteblack) { background-image: linear-gradient(160deg, rgba(255, 255, 255, .16), transparent 45%); }
.sw-brushed { background-image: repeating-linear-gradient(90deg, rgba(255, 255, 255, .22) 0 1px, transparent 1px 3px), repeating-linear-gradient(90deg, rgba(0, 0, 0, .07) 0 1px, transparent 1px 5px); }
.sw-brushed.sw-gold { background-color: #BF9B4F; }
.sw-brushed.sw-silver { background-color: #B9BEC4; }
.sw-brushed.sw-rosegold { background-color: #C08B7C; }
.sw-mirror.sw-gold { background: linear-gradient(125deg, #8C6A23 0%, #F6E3A8 30%, #B98E35 48%, #FFF3CE 66%, #9A7428 100%); }
.sw-mirror.sw-silver { background: linear-gradient(125deg, #7E848B 0%, #FFFFFF 30%, #9AA1A9 48%, #F4F6F8 66%, #8A9097 100%); }
.sw-mirror.sw-rosegold { background: linear-gradient(125deg, #8E5546 0%, #F7D3C6 30%, #B97864 48%, #FFE6DC 66%, #9C604F 100%); }
@media (min-width: 960px) { .fgroups { grid-template-columns: 2fr 1fr 1fr; gap: 3rem; } }

.other-list { display: grid; margin-top: 2rem; border-top: 1px solid var(--ink); }
.other-list a { display: grid; grid-template-columns: 3rem 1fr auto; align-items: center; gap: .75rem; padding: 1.1rem .25rem; border-bottom: 1px solid var(--line); text-decoration: none; transition: background-color .2s var(--ease), padding .35s var(--ease); }
.other-list .mono { font-size: .75rem; color: var(--sub); }
.o-name { font-size: clamp(1.15rem, 2vw, 1.5rem); font-weight: 500; font-stretch: 108%; }
.other-list a:hover { background: var(--paper); padding-inline: 1rem; }
@media (min-width: 900px) { .other-list { grid-template-columns: 1fr 1fr; column-gap: 3rem; } }

/* 关于 */
.photo-band { height: clamp(260px, 52vw, 640px); overflow: hidden; }
.photo-band img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.15) translateY(calc(var(--py, 0) * -8%)); }
.about-grid { display: grid; gap: 3rem 4rem; }
.about-block { border-top: 1px solid var(--ink); padding-top: 1.25rem; }
.about-block h2 { font-size: clamp(1.4rem, 2.6vw, 2rem); }
.about-block p { color: var(--dim); margin-top: .9rem; max-width: 36em; }
@media (min-width: 900px) { .about-grid { grid-template-columns: 1fr 1fr; } }
.values { background: var(--paper); }
.value-list { display: grid; gap: 2rem; margin-top: 3rem; }
.value-list li { border-top: 1px solid var(--ink); padding-top: 1rem; }
.value-list h3 { font-size: clamp(1.3rem, 2.4vw, 1.8rem); font-weight: 500; }
.value-list p { color: var(--sub); margin-top: .5rem; }
@media (min-width: 900px) { .value-list { grid-template-columns: repeat(3, 1fr); } }

/* 联系：表单 */
.contact-grid { display: grid; gap: 3rem; }
@media (min-width: 960px) { .contact-grid { grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: 4rem; } }
.form-grid { display: grid; gap: 1.25rem; }
@media (min-width: 720px) { .form-grid { grid-template-columns: 1fr 1fr; } .field.wide { grid-column: 1 / -1; } }
.field label { display: block; font-weight: 600; font-size: .9375rem; margin-bottom: .4rem; }
.field .req { color: var(--navy); }
.field .opt { font-weight: 400; color: var(--sub); }
.field input, .field select, .field textarea {
  width: 100%; min-height: 50px; padding: .75rem .9rem;
  background: var(--white); border: 1px solid #AEB5BF; border-radius: 6px;
  transition: border-color .15s var(--ease), box-shadow .15s var(--ease);
}
.field textarea { min-height: 120px; resize: vertical; }
.field :is(input, select, textarea):focus { outline: none; border-color: var(--navy); box-shadow: 0 0 0 3px rgba(14, 42, 90, .18); }
.field.bad :is(input, select, textarea) { border-color: var(--bad); }
.hint { font-size: .8125rem; color: var(--sub); margin-top: .35rem; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; margin-top: 1.75rem; }
.form-status { font-weight: 500; }
.form-status.is-ok { color: var(--ok); }
.form-status.is-error { color: var(--bad); }
.form-status.is-busy { color: var(--sub); }
.contact-aside h2 { font-size: 1.125rem; margin-bottom: .75rem; }
.contact-aside h2:not(:first-child) { margin-top: 2.25rem; }
.contact-aside p { color: var(--sub); }
.big-mail { font-size: clamp(1.15rem, 2.4vw, 1.4rem); font-weight: 600; margin-bottom: .5rem; overflow-wrap: anywhere; }
.big-mail a { color: var(--navy); text-decoration: none; border-bottom: 1px solid currentColor; }
.wa-lines { display: grid; gap: .25rem; margin-bottom: 1rem; }
.wa-lines .k { font-size: .8125rem; color: var(--sub); }
.wa-lines a { color: var(--navy); font-weight: 600; text-decoration: none; width: fit-content; border-bottom: 1px solid currentColor; }
.contact-aside .addr { margin-top: 2rem; font-size: .875rem; }

.prose { display: grid; gap: 2.25rem; }
.prose-block h2 { font-size: clamp(1.3rem, 2.6vw, 1.75rem); }
.prose-block p { margin-top: .75rem; color: var(--dim); max-width: 40em; }
.prose-narrow { max-width: 44em; }
.notfound { min-height: 70vh; display: grid; align-items: center; }

/* ── 50 动效：首屏标题逐行升起、滚动淡入。场景进度动画在 30/35 里随 --p 走。
   减少动态时只把过渡变成瞬时，钉住的场景放回普通竖排，内容照常显示 ── */
.js .hero-brand > * { transform: translateY(40%); opacity: 0; transition: transform 1.2s cubic-bezier(.16, 1, .3, 1), opacity 1s var(--ease); }
.js .hero-brand > :nth-child(2) { transition-delay: .08s; }
.js .hero-brand > :nth-child(3) { transition-delay: .16s; }
.js.ready .hero-brand > * { transform: none; opacity: 1; }
.js .hero-intro { opacity: 0; transform: translateY(16px); transition: opacity 1s var(--ease) .45s, transform 1s var(--ease) .45s; }
.js.ready .hero-intro { opacity: 1; transform: none; }

.js .rv { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.js .rv.in { opacity: 1; transform: none; }
.js .ix-grid .rv:nth-child(2), .js .cap-grid .rv:nth-child(2), .js .q-list .rv:nth-child(2) { transition-delay: .08s; }
.js .ix-grid .rv:nth-child(3), .js .cap-grid .rv:nth-child(3), .js .q-list .rv:nth-child(3) { transition-delay: .16s; }
.js .ix-grid .rv:nth-child(4), .js .q-list .rv:nth-child(4) { transition-delay: .24s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0s !important; animation-duration: 0s !important; animation-delay: 0s !important; }
  .rv { opacity: 1; transform: none; }
  .js .rv, .js .hero-brand > *, .js .hero-intro { opacity: 1; transform: none; }
  .js .hero-one, .js .hero-title { opacity: 1; transform: none; }
  .js .statement, .js .custom { height: auto; }
  .js .statement .scene-pin, .js .custom .scene-pin { position: relative; height: auto; padding-block: clamp(72px, 11vw, 160px); }
  .js .gauge-zones li { color: var(--ink); border-top-color: var(--ink); }
  .js .statement .w { opacity: 1; transform: none; filter: none; background: none; color: var(--c); }
  .marquee-row { animation: none; }
}