/* ============================================================
   海兴锁业 HAIXING LOCK — V8 高级版
   设计语言：大厂风 · 双语标题 / 超宽版式 / 深蓝+灰白蓝
   ============================================================ */

/* ---------- Fonts (local) ---------- */
@font-face { font-family: "Noto Sans SC"; font-style: normal; font-weight: 300; font-display: swap; src: url("../fonts/sans-cn-300.woff2") format("woff2"); unicode-range: U+4E00-9FFF, U+3000-303F, U+FF00-FFEF, U+2014, U+2018-201F, U+2026; }
@font-face { font-family: "Noto Sans SC"; font-style: normal; font-weight: 300; font-display: swap; src: url("../fonts/sans-lat-300.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Noto Sans SC"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/sans-cn-400.woff2") format("woff2"); unicode-range: U+4E00-9FFF, U+3000-303F, U+FF00-FFEF, U+2014, U+2018-201F, U+2026; }
@font-face { font-family: "Noto Sans SC"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/sans-lat-400.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Noto Sans SC"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/sans-cn-500.woff2") format("woff2"); unicode-range: U+4E00-9FFF, U+3000-303F, U+FF00-FFEF, U+2014, U+2018-201F, U+2026; }
@font-face { font-family: "Noto Sans SC"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/sans-lat-500.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }

@font-face { font-family: "Noto Serif SC"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/serif-cn-500.woff2") format("woff2"); unicode-range: U+4E00-9FFF, U+3000-303F, U+FF00-FFEF, U+2014, U+2018-201F, U+2026; }
@font-face { font-family: "Noto Serif SC"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/serif-lat-500.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Noto Serif SC"; font-style: normal; font-weight: 600; font-display: swap; src: url("../fonts/serif-cn-600.woff2") format("woff2"); unicode-range: U+4E00-9FFF, U+3000-303F, U+FF00-FFEF, U+2014, U+2018-201F, U+2026; }
@font-face { font-family: "Noto Serif SC"; font-style: normal; font-weight: 600; font-display: swap; src: url("../fonts/serif-lat-600.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Noto Serif SC"; font-style: normal; font-weight: 700; font-display: swap; src: url("../fonts/serif-cn-700.woff2") format("woff2"); unicode-range: U+4E00-9FFF, U+3000-303F, U+FF00-FFEF, U+2014, U+2018-201F, U+2026; }
@font-face { font-family: "Noto Serif SC"; font-style: normal; font-weight: 700; font-display: swap; src: url("../fonts/serif-lat-700.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }

/* ---------- Tokens ---------- */
:root {
  --paper: #F3F5F9;
  --paper-2: #ECF0F6;
  --white: #FFFFFF;
  --ink: #0F1B31;
  --ink-2: #46536C;
  --muted: #7C87A0;
  --line: rgba(15, 27, 49, .10);
  --line-2: rgba(15, 27, 49, .18);
  --blue: #1E56D0;
  --blue-2: #4D86F5;
  --cyan: #8FBCFF;
  --navy: #081226;
  --navy-2: #0E1E3C;
  --glass: rgba(255, 255, 255, .05);
  --glass-line: rgba(255, 255, 255, .14);
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
  --nav-h: 76px;
  --ease: cubic-bezier(.22, .61, .21, 1);
  --shadow: 0 30px 70px rgba(15, 27, 49, .12);
  --shadow-sm: 0 14px 34px rgba(15, 27, 49, .08);
  --glow-blue: 0 14px 38px rgba(30, 86, 208, .42);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: clip; }
body {
  font-family: var(--sans); font-weight: 400; font-size: 16px; line-height: 1.85;
  color: var(--ink-2); background: var(--paper);
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, textarea { font: inherit; color: inherit; }
::selection { background: var(--blue); color: #fff; }
:focus-visible { outline: 2px solid var(--blue-2); outline-offset: 3px; }
.skip-link { position: fixed; top: -60px; left: 16px; z-index: 300; background: var(--ink); color: #fff; padding: 10px 18px; font-size: 14px; transition: top .25s var(--ease); }
.skip-link:focus { top: 12px; }
.container { width: min(1520px, calc(100% - 64px)); margin-inline: auto; }
[id] { scroll-margin-top: calc(var(--nav-h) + 14px); }
body.menu-open, body.lb-open { overflow: hidden; }
[hidden] { display: none !important; }

/* ---------- Scroll progress ---------- */
.scroll-progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; z-index: 400; background: linear-gradient(90deg, var(--blue), var(--cyan)); }

/* ---------- Type / Section head (bilingual) ---------- */
.sec-head { max-width: 900px; margin-bottom: clamp(44px, 6vw, 70px); }
.sec-en { font-size: 12px; font-weight: 500; letter-spacing: .5em; text-transform: uppercase; color: var(--blue); }
.sec-head h2 { font-family: var(--serif); font-weight: 600; color: var(--ink); font-size: clamp(34px, 4.4vw, 60px); line-height: 1.2; letter-spacing: .03em; margin: 14px 0 18px; }
.sec-lead { font-size: 16px; color: var(--muted); max-width: 640px; }
.sec-head.light .sec-en { color: var(--cyan); }
.sec-head.light h2 { color: #fff; }
.sec-head.light .sec-lead { color: rgba(255, 255, 255, .62); }

/* ---------- Buttons ---------- */
.btn { position: relative; display: inline-flex; align-items: center; gap: 12px; padding: 16px 32px; font-size: 15px; font-weight: 500; letter-spacing: .06em; border-radius: 2px; transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .35s var(--ease), border-color .35s var(--ease); }
.btn .arr { display: inline-block; transition: transform .35s var(--ease); }
.btn:hover .arr { transform: translateX(5px); }
.btn-primary { background: linear-gradient(135deg, var(--blue-2), var(--blue)); color: #fff; box-shadow: var(--glow-blue); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 18px 46px rgba(30, 86, 208, .55); }
.btn-ghost { border: 1px solid var(--line-2); color: var(--ink); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-2px); }
.btn-ghost-light { border: 1px solid rgba(255, 255, 255, .35); color: #fff; }
.btn-ghost-light:hover { border-color: var(--cyan); color: var(--cyan); transform: translateY(-2px); background: rgba(255, 255, 255, .06); }
.btn-sm { padding: 10px 20px; font-size: 13px; }
.btn-block { width: 100%; justify-content: center; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .85s var(--ease), transform .85s var(--ease); transition-delay: var(--d, 0s); }
.reveal.rv-left { transform: translateX(-40px); }
.reveal.rv-right { transform: translateX(40px); }
.reveal.rv-scale { transform: scale(.94); }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- Background layers ---------- */
.bg-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px); background-size: 56px 56px; mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, #000 40%, transparent 100%); -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, #000 40%, transparent 100%); }
.bg-glow { position: absolute; border-radius: 50%; opacity: .55; pointer-events: none; will-change: transform; }
.glow-a { width: 640px; height: 640px; background: radial-gradient(circle, rgba(30, 86, 208, .55), transparent 72%); top: -220px; left: -140px; animation: drift 14s ease-in-out infinite alternate; }
.glow-b { width: 560px; height: 560px; background: radial-gradient(circle, rgba(77, 134, 245, .38), transparent 72%); bottom: -240px; right: -160px; animation: drift 18s ease-in-out infinite alternate-reverse; }
@keyframes drift { from { transform: translate3d(0,0,0); } to { transform: translate3d(40px, 30px, 0); } }
.bg-noise { position: absolute; inset: 0; opacity: .05; pointer-events: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.6'/%3E%3C/svg%3E"); }
/* ---------- 导航 ---------- */
.site-head { position: fixed; inset: 0 0 auto 0; z-index: 200; transition: background .4s var(--ease), border-color .4s var(--ease), backdrop-filter .4s var(--ease); border-bottom: 1px solid transparent; }
.site-head.is-scrolled { background: rgba(8, 18, 38, .85); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border-bottom-color: rgba(255, 255, 255, .08); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: var(--nav-h); }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 0; }
.brand img { width: 40px; height: 40px; object-fit: contain; flex: none; }
.brand-txt { display: flex; flex-direction: column; line-height: 1.2; font-family: var(--serif); font-weight: 600; font-size: 20px; color: var(--ink); letter-spacing: .08em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.site-head.is-scrolled .brand-txt { color: #fff; }
.brand-txt small { font-family: var(--sans); font-weight: 500; font-size: 10px; letter-spacing: .32em; color: var(--muted); }
.site-head.is-scrolled .brand-txt small { color: rgba(255, 255, 255, .45); }
.nav-links { display: flex; gap: 26px; }
.nav-link { position: relative; font-size: 15px; color: var(--ink-2); padding: 6px 2px; transition: color .3s var(--ease); }
.nav-link::after { content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0; background: linear-gradient(90deg, var(--blue), var(--cyan)); transition: width .35s var(--ease); }
.nav-link:hover { color: var(--blue); }
.nav-link:hover::after, .nav-link.is-active::after { width: 100%; }
.nav-link.is-active { color: var(--blue); }
.site-head.is-scrolled .nav-link { color: rgba(255, 255, 255, .8); }
.site-head.is-scrolled .nav-link.is-active, .site-head.is-scrolled .nav-link:hover { color: var(--cyan); }
.nav-cta { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.nav-toggle { display: none; width: 42px; height: 42px; position: relative; z-index: 210; }
.nav-toggle span { position: absolute; left: 8px; right: 8px; height: 2px; background: var(--ink); transition: transform .35s var(--ease), opacity .3s var(--ease); }
.nav-toggle span:nth-child(1) { top: 14px; } .nav-toggle span:nth-child(2) { top: 20px; } .nav-toggle span:nth-child(3) { top: 26px; }
.site-head.is-scrolled .nav-toggle span { background: #fff; }
.nav-toggle.is-open span:nth-child(1) { top: 20px; transform: rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { top: 20px; transform: rotate(-45deg); }

/* 移动端菜单 */
.mobile-menu { position: fixed; inset: 0; z-index: 190; padding: calc(var(--nav-h) + 28px) 28px 40px; background: rgba(8, 18, 38, .97); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); display: flex; flex-direction: column; justify-content: space-between; animation: mmIn .45s var(--ease); }
@keyframes mmIn { from { opacity: 0; transform: translateY(-14px); } to { opacity: 1; transform: none; } }
.mm-nav { display: flex; flex-direction: column; gap: 6px; }
.mm-link { display: flex; align-items: baseline; gap: 16px; font-family: var(--serif); font-size: 28px; font-weight: 600; color: #fff; padding: 12px 0; border-bottom: 1px solid rgba(255, 255, 255, .08); transition: color .3s, padding-left .35s var(--ease); }
.mm-link i { font-style: normal; font-family: var(--sans); font-size: 11px; letter-spacing: .2em; color: var(--cyan); }
.mm-link:hover { color: var(--cyan); padding-left: 10px; }
.mm-cta { color: var(--cyan); }
.mm-foot { font-size: 13px; color: rgba(255, 255, 255, .5); line-height: 2; letter-spacing: .04em; }

/* ---------- Hero 横幅 ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; padding: calc(var(--nav-h) + 46px) 0 110px; overflow: hidden; color: #fff; }
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-bg > img { width: 100%; height: 100%; object-fit: cover; }
.hero-veil { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(5, 12, 26, .94) 0%, rgba(8, 18, 38, .82) 42%, rgba(8, 18, 38, .55) 100%); }
.bg-scan { position: absolute; inset: -40% -20%; background: linear-gradient(115deg, transparent 42%, rgba(143, 188, 255, .06) 50%, transparent 58%); animation: scanMove 9s linear infinite; }
@keyframes scanMove { from { transform: translateX(-38%); } to { transform: translateX(38%); } }
.bg-horizon { position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(143, 188, 255, .4), transparent); }
.bg-horizon::after { content: ""; position: absolute; left: 50%; top: -4px; width: 9px; height: 9px; background: var(--cyan); transform: translateX(-50%) rotate(45deg); opacity: .7; }
.hero-inner { position: relative; z-index: 2; }
.hero-en { display: flex; align-items: center; gap: 14px; font-size: 13px; letter-spacing: .42em; text-transform: uppercase; color: var(--cyan); margin-bottom: 24px; }
.hero-en::before { content: ""; flex: none; width: 30px; height: 2px; background: linear-gradient(90deg, var(--cyan), transparent); }
.hero h1 { font-family: var(--serif); font-weight: 700; font-size: clamp(50px, 7.4vw, 104px); line-height: 1.14; letter-spacing: .03em; color: #fff; margin-bottom: 26px; }
.hero h1 em { font-style: normal; background: linear-gradient(100deg, #E3F0FF 0%, #9CC9FF 42%, #6FA7F8 100%); -webkit-background-clip: text; background-clip: text; color: transparent; text-shadow: 0 2px 30px rgba(77, 134, 245, .18); }
.hero-sub { font-size: 17.5px; line-height: 1.98; color: rgba(255, 255, 255, .82); max-width: 660px; margin-bottom: 40px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 56px; }
.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255, 255, 255, .16); padding-top: 28px; max-width: 860px; margin-top: 6px; }
.hs-item { display: flex; flex-direction: column; gap: 2px; padding-left: 26px; border-left: 1px solid rgba(255, 255, 255, .16); }
.hs-item:first-child { padding-left: 0; border-left: 0; }
.hs-item b { font-family: var(--serif); font-weight: 600; font-size: clamp(34px, 3.6vw, 52px); line-height: 1.1; color: #fff; }
.hs-item i { font-style: normal; font-size: 13px; color: var(--cyan); letter-spacing: .08em; margin-top: 4px; }
.hs-item span { font-size: 12.5px; color: rgba(255, 255, 255, .6); letter-spacing: .14em; }
.scroll-cue { position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); z-index: 3; display: flex; flex-direction: column; align-items: center; gap: 10px; font-size: 10px; letter-spacing: .4em; color: rgba(255, 255, 255, .72); }
.cue-line { width: 1px; height: 44px; background: rgba(255, 255, 255, .2); position: relative; overflow: hidden; }
.cue-line::after { content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 44px; background: linear-gradient(180deg, transparent, var(--cyan), transparent); transform: translateY(-100%); animation: cue 2.2s ease-in-out infinite; }
@keyframes cue { 0% { transform: translateY(-100%); } 100% { transform: translateY(100%); } }

/* 锚点子导航 */
.sub-anchor { position: fixed; top: calc(var(--nav-h) + 14px); left: 50%; transform: translateX(-50%) translateY(-8px); z-index: 180; display: flex; gap: 6px; padding: 6px; background: rgba(255, 255, 255, .9); border: 1px solid var(--line); border-radius: 999px; -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); box-shadow: var(--shadow-sm); opacity: 0; pointer-events: none; transition: opacity .4s var(--ease), transform .4s var(--ease); }
.sub-anchor.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto; }
.sub-anchor a { font-size: 12.5px; color: var(--ink-2); padding: 7px 14px; border-radius: 999px; transition: all .3s var(--ease); white-space: nowrap; }
.sub-anchor a:hover { color: #fff; background: var(--blue); }
.sub-anchor a.is-active { color: #fff; background: var(--ink); }

/* ---------- Section base ---------- */
.section { padding: clamp(90px, 10vw, 150px) 0; position: relative; }
.section-dark { padding: clamp(90px, 10vw, 150px) 0; position: relative; background: linear-gradient(180deg, var(--navy) 0%, #0A1830 100%); color: #fff; overflow: hidden; }
.section-dark .container { position: relative; z-index: 2; }

/* ---------- 企业简介 ---------- */
.about { background: var(--paper); }
.about-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(48px, 7vw, 110px); align-items: start; }
.about-media { position: relative; }
.media-a { position: relative; width: min(640px, 92%); overflow: hidden; box-shadow: var(--shadow); }
.media-a img { width: 100%; height: 400px; object-fit: cover; transition: transform 1.2s var(--ease); }
.media-a:hover img { transform: scale(1.05); }
.media-play { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 74px; height: 74px; display: grid; place-items: center; border-radius: 50%; background: rgba(8, 18, 38, .55); border: 1px solid rgba(255, 255, 255, .4); color: #fff; font-size: 18px; -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); transition: all .35s var(--ease); }
.media-play:hover { background: var(--blue); border-color: var(--blue); transform: translate(-50%, -50%) scale(1.08); }
.media-a figcaption { position: absolute; left: 14px; bottom: 12px; font-size: 10px; letter-spacing: .3em; color: rgba(255, 255, 255, .85); background: rgba(8, 18, 38, .55); padding: 6px 12px; -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.media-b { position: absolute; right: 0; bottom: -40px; width: 44%; border: 6px solid var(--paper); box-shadow: var(--shadow-sm); overflow: hidden; }
.media-b img { width: 100%; height: 210px; object-fit: cover; }
.media-badge { position: absolute; left: 4px; top: -38px; font-family: var(--serif); font-weight: 700; font-size: 34px; line-height: 1; color: var(--blue); letter-spacing: .06em; }
.media-dim { position: absolute; right: 0; top: -30px; font-size: 10px; letter-spacing: .3em; color: var(--muted); writing-mode: vertical-rl; }
.about-body .about-lead { font-family: var(--serif); font-size: clamp(20px, 2.3vw, 27px); line-height: 1.85; color: var(--ink); font-weight: 500; margin-bottom: 26px; }
.about-p { color: var(--muted); margin-bottom: 20px; }
.about-quote { display: flex; gap: 20px; margin: 28px 0; padding: 20px 26px; background: var(--white); border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.q-line { flex: none; width: 3px; background: linear-gradient(180deg, var(--blue), var(--cyan)); }
.about-quote p { font-size: 15px; color: var(--ink-2); line-height: 2; }
.about-tags { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; }
.about-tags li { font-size: 12.5px; letter-spacing: .06em; color: var(--ink-2); border: 1px solid var(--line-2); padding: 8px 14px; border-radius: 999px; background: var(--white); transition: border-color .3s, color .3s; }
.about-tags li:hover { border-color: var(--blue); color: var(--blue); }
.about-stats { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; margin-top: clamp(56px, 8vw, 96px); padding: 34px 0; border-block: 1px solid var(--line-2); }
.stat { text-align: center; padding: 6px 10px; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; }
.stat b { display: block; font-family: var(--serif); font-weight: 600; font-size: clamp(34px, 3.6vw, 52px); line-height: 1.1; color: var(--blue); }
.stat i { font-style: normal; font-size: 13px; color: var(--ink-2); letter-spacing: .1em; }
.stat span { display: block; margin-top: 8px; font-size: 12px; color: var(--muted); letter-spacing: .18em; }

/* ---------- 企业文化 ---------- */
.culture .bg-grid { opacity: .8; }
.culture-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; grid-auto-rows: 220px; }
.cu-card { position: relative; display: flex; flex-direction: column; justify-content: flex-end; padding: 30px; overflow: hidden; transition: transform .45s var(--ease), box-shadow .45s var(--ease); }
.cu-card:hover { transform: translateY(-6px); box-shadow: 0 24px 60px rgba(5, 13, 31, .45); }
.cu-solid { border: 1px solid rgba(255, 255, 255, .14); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); background-image: linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px), linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px), linear-gradient(160deg, rgba(77,134,245,.18), rgba(255,255,255,.03)); background-size: 26px 26px, 26px 26px, auto; }
.cu-solid-2 { background-image: linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px), linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px), radial-gradient(circle at 85% 15%, rgba(143,188,255,.25), transparent 45%), linear-gradient(160deg, rgba(30,86,208,.34), rgba(5,13,31,.5)); background-size: 26px 26px, 26px 26px, auto, auto; }
.cu-img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease); }
.cu-img:hover img { transform: scale(1.07); }
.cu-cover { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(5, 13, 31, .10) 0%, rgba(5, 13, 31, .38) 44%, rgba(5, 13, 31, .88) 78%, rgba(5, 13, 31, .95) 100%); }
.cu-img h3, .cu-img p, .cu-img .cu-idx { text-shadow: 0 2px 12px rgba(0, 0, 0, .6); }
.cu-txt { position: relative; z-index: 2; }
.cu-idx { display: block; font-size: 10px; letter-spacing: .34em; color: var(--cyan); margin-bottom: 12px; }
.cu-card h3 { font-family: var(--serif); font-weight: 600; font-size: 22px; color: #fff; letter-spacing: .06em; margin-bottom: 8px; }
.cu-card p { font-size: 13.5px; color: rgba(255, 255, 255, .72); line-height: 1.9; }

/* ---------- 企业优势 ---------- */
.advantages { background: var(--white); }
.adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.adv-card { position: relative; padding: 38px 32px 34px; border: 1px solid var(--line); background: var(--paper); transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease); overflow: hidden; }
.adv-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--blue), var(--cyan)); transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease); }
.adv-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(30, 86, 208, .4); }
.adv-card:hover::before { transform: scaleX(1); }
.adv-num { font-family: var(--serif); font-weight: 700; font-size: 44px; line-height: 1; color: transparent; -webkit-text-stroke: 1px rgba(30, 86, 208, .5); display: block; margin-bottom: 22px; }
.adv-card h3 { font-family: var(--serif); font-weight: 600; font-size: 20px; color: var(--ink); margin-bottom: 12px; letter-spacing: .03em; }
.adv-card p { font-size: 13.5px; color: var(--muted); line-height: 2; }

/* ---------- 发展历程 ---------- */
.history { background: var(--paper-2); }
.hist-track { position: relative; max-width: 900px; margin-inline: auto; }
.hist-line { position: absolute; left: 50%; top: 0; bottom: 0; width: 1px; background: var(--line-2); transform: translateX(-50%); }
.hist-line span { position: absolute; top: 0; left: 0; width: 100%; height: 0; background: linear-gradient(180deg, var(--blue), var(--cyan)); }
.hist-item { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; padding: 34px 0; }
.hist-item::before { content: ""; position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 13px; height: 13px; border: 3px solid var(--paper-2); background: var(--blue); box-shadow: 0 0 0 1px var(--blue), 0 0 18px rgba(30, 86, 208, .5); border-radius: 50%; z-index: 2; }
.hist-year { font-family: var(--serif); font-weight: 700; font-size: clamp(40px, 4.4vw, 58px); color: transparent; -webkit-text-stroke: 1.5px rgba(15, 27, 49, .2); line-height: 1; text-align: right; padding-right: 44px; }
.hist-txt { padding-left: 44px; }
.hist-item:nth-child(even) .hist-year { order: 2; text-align: left; padding-left: 44px; padding-right: 0; }
.hist-item:nth-child(even) .hist-txt { order: 1; text-align: right; padding-left: 0; padding-right: 44px; }
.hist-txt h3 { font-family: var(--serif); font-weight: 600; font-size: 20px; color: var(--ink); margin-bottom: 8px; }
.hist-txt p { font-size: 14px; color: var(--muted); line-height: 1.9; }

/* ---------- 产品中心 ---------- */
.products { background: var(--white); }
.product-filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
.pf-btn { display: inline-flex; align-items: center; gap: 10px; padding: 11px 20px; font-size: 13.5px; letter-spacing: .04em; color: var(--ink-2); border: 1px solid var(--line-2); border-radius: 2px; background: transparent; transition: all .3s var(--ease); }
.pf-btn i { font-style: normal; font-size: 9.5px; letter-spacing: .18em; color: var(--blue); opacity: .7; }
.pf-btn .cnt { font-size: 10px; color: var(--muted); border: 1px solid var(--line-2); border-radius: 999px; padding: 1px 8px; line-height: 1.6; }
.pf-btn:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-2px); }
.pf-btn.is-active { background: var(--ink); border-color: var(--ink); color: #fff; box-shadow: var(--shadow-sm); }
.pf-btn.is-active .cnt { color: var(--cyan); border-color: rgba(255, 255, 255, .25); }
.products-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.p-card { position: relative; border: 1px solid var(--line); background: var(--paper); overflow: hidden; cursor: pointer; transition: transform .45s var(--ease), box-shadow .45s var(--ease), border-color .45s var(--ease); animation: cardIn .5s var(--ease) both; }
@keyframes cardIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.p-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); border-color: rgba(30, 86, 208, .45); }
.p-media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: linear-gradient(160deg, #F6F8FC, #E9EEF6); }
.p-media img { width: 100%; height: 100%; object-fit: contain; padding: 18px; transition: transform .7s var(--ease), filter .7s var(--ease); filter: drop-shadow(0 16px 26px rgba(15, 27, 49, .16)); }
.p-card:hover .p-media img { transform: scale(1.07); }
.p-scan { position: absolute; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, transparent, var(--cyan), transparent); opacity: 0; }
.p-card:hover .p-scan { animation: pScan 1.1s ease-in-out infinite; }
@keyframes pScan { 0% { top: 8%; opacity: 0; } 15% { opacity: .9; } 85% { opacity: .9; } 100% { top: 92%; opacity: 0; } }
.p-info { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 16px 18px; background: var(--white); }
.p-info h3 { font-family: var(--serif); font-weight: 600; font-size: 17.5px; color: var(--ink); letter-spacing: .03em; }
.p-info span { font-size: 9.5px; letter-spacing: .16em; color: var(--muted); white-space: nowrap; }
.p-info .p-go { flex: none; width: 30px; height: 30px; display: grid; place-items: center; border: 1px solid var(--line-2); color: var(--blue); font-size: 13px; border-radius: 50%; transition: all .3s var(--ease); }
.p-card:hover .p-go { background: var(--blue); border-color: var(--blue); color: #fff; transform: rotate(45deg); }
.products-more { margin-top: 42px; text-align: center; font-size: 13.5px; letter-spacing: .08em; color: var(--muted); }
.products-more a { color: var(--blue); border-bottom: 1px solid var(--blue); padding-bottom: 2px; transition: color .3s; }
.products-more a:hover { color: var(--ink); border-color: var(--ink); }

/* ---------- Lightbox ---------- */
.lightbox { position: fixed; inset: 0; z-index: 500; display: grid; place-items: center; background: rgba(5, 11, 25, .9); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); animation: lbIn .4s var(--ease); }
@keyframes lbIn { from { opacity: 0; } to { opacity: 1; } }
.lb-fig { position: relative; max-width: min(900px, calc(100vw - 120px)); text-align: center; }
.lb-fig img { max-height: 70vh; width: auto; max-width: 100%; margin-inline: auto; background: radial-gradient(circle at 50% 40%, rgba(77, 134, 245, .16), rgba(5, 11, 25, .2) 70%); padding: 30px; border: 1px solid rgba(255, 255, 255, .1); }
.lb-fig figcaption { margin-top: 18px; }
.lb-index { font-size: 11px; letter-spacing: .3em; color: var(--cyan); }
.lb-fig h3 { font-family: var(--serif); font-weight: 600; font-size: 28px; color: #fff; margin-top: 8px; }
.lb-fig p { font-size: 12px; letter-spacing: .3em; color: rgba(255, 255, 255, .5); margin-top: 8px; }
.lb-close { position: absolute; top: 26px; right: 30px; width: 46px; height: 46px; border: 1px solid rgba(255, 255, 255, .25); color: #fff; font-size: 15px; border-radius: 50%; transition: all .3s; }
.lb-close:hover { background: var(--blue); border-color: var(--blue); transform: rotate(90deg); }
.lb-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 52px; height: 52px; border: 1px solid rgba(255, 255, 255, .2); color: #fff; font-size: 18px; border-radius: 50%; transition: all .3s; }
.lb-nav:hover { background: var(--blue); border-color: var(--blue); }
.lb-prev { left: 28px; } .lb-next { right: 28px; }

/* ---------- 智造工艺 ---------- */
.craft .bg-grid { opacity: .8; }
.craft-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.cr-item { position: relative; overflow: hidden; border: 1px solid rgba(255, 255, 255, .14); background: var(--navy-2); }
.cr-item img { width: 100%; height: 250px; object-fit: cover; transition: transform 1s var(--ease), filter .6s var(--ease); }
.cr-item:hover img { transform: scale(1.07); filter: brightness(.65); }
.cr-item figcaption { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end; padding: 22px; background: linear-gradient(180deg, transparent 30%, rgba(5, 13, 31, .85)); }
.cr-item figcaption span { font-size: 9.5px; letter-spacing: .3em; color: var(--cyan); margin-bottom: 8px; }
.cr-item figcaption h3 { font-family: var(--serif); font-weight: 600; font-size: 20px; color: #fff; margin-bottom: 6px; }
.cr-item figcaption p { font-size: 12.5px; color: rgba(255, 255, 255, .72); line-height: 1.8; max-height: 0; opacity: 0; overflow: hidden; transition: max-height .5s var(--ease), opacity .5s var(--ease); }
.cr-item:hover figcaption p { max-height: 90px; opacity: 1; }
.cr-item-lg { border-color: rgba(143, 188, 255, .32); box-shadow: 0 0 0 1px rgba(143, 188, 255, .18), 0 18px 40px rgba(5, 13, 31, .4); }
.cr-item-lg img { height: 250px; }
.cr-item-lg figcaption p { max-height: none; opacity: 1; }

/* ---------- 品质体系 ---------- */
.quality { background: var(--paper-2); }
.quality-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.q-card { position: relative; padding: 32px 28px; background: var(--white); border: 1px solid var(--line); transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease); overflow: hidden; }
.q-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--blue), var(--cyan)); transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease); }
.q-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(30, 86, 208, .4); }
.q-card:hover::before { transform: scaleX(1); }
.q-idx { position: absolute; top: 18px; right: 20px; font-size: 10px; letter-spacing: .3em; color: var(--muted); }
.q-icon { width: 46px; height: 46px; margin-bottom: 20px; color: var(--blue); }
.q-icon svg { width: 100%; height: 100%; }
.q-card h3 { font-family: var(--serif); font-weight: 600; font-size: 19px; color: var(--ink); margin-bottom: 10px; letter-spacing: .04em; }
.q-card p { font-size: 13.5px; color: var(--muted); line-height: 1.95; }
.honor-strip { margin-top: 46px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.honor-item { display: flex; gap: 16px; align-items: flex-start; padding: 24px 22px; background: var(--white); border: 1px solid var(--line); transition: transform .35s var(--ease), border-color .35s var(--ease); }
.honor-item:hover { transform: translateY(-4px); border-color: rgba(30, 86, 208, .45); }
.ho-mark { font-size: 26px; line-height: 1; color: var(--blue); }
.honor-item b { display: block; font-family: var(--serif); font-weight: 600; font-size: 16px; color: var(--ink); margin-bottom: 6px; }
.honor-item p { font-size: 12px; color: var(--muted); }

/* ---------- 资讯动态 ---------- */
.news { background: var(--white); }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.news-card { position: relative; padding: 34px 30px; border: 1px solid var(--line); background: var(--paper); display: flex; flex-direction: column; gap: 14px; transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease); }
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(30, 86, 208, .4); }
.news-date { display: flex; align-items: baseline; gap: 10px; }
.news-date b { font-family: var(--serif); font-weight: 700; font-size: 44px; line-height: 1; color: var(--blue); }
.news-date span { font-size: 12px; letter-spacing: .2em; color: var(--muted); }
.news-tag { align-self: flex-start; font-size: 10px; letter-spacing: .2em; color: var(--blue); border: 1px solid rgba(30, 86, 208, .4); padding: 4px 10px; border-radius: 2px; }
.news-card h3 { font-family: var(--serif); font-weight: 600; font-size: 19px; color: var(--ink); line-height: 1.6; }
.news-card p { font-size: 13.5px; color: var(--muted); line-height: 1.9; }
.news-more { margin-top: auto; font-size: 13px; letter-spacing: .08em; color: var(--blue); border-bottom: 1px solid transparent; align-self: flex-start; transition: border-color .3s; }
.news-more:hover { border-color: var(--blue); }

/* ---------- 合作伙伴 ---------- */
.partners { background: var(--white); }
.marquee { overflow: hidden; padding: 6px 0; -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee + .marquee { margin-top: 8px; }
.marquee-track { display: flex; width: max-content; animation: mqMove 38s linear infinite; }
.marquee-rev .marquee-track { animation-direction: reverse; }
.marquee-group { display: flex; align-items: center; }
.marquee-logo { flex: none; display: grid; place-items: center; width: 180px; height: 88px; margin-right: 14px; border: 1px solid var(--line); background: var(--white); }
.marquee-logo img { width: 136px; height: 50px; object-fit: contain; transition: transform .35s var(--ease); }
.marquee-logo:hover img { transform: scale(1.08); }
.partners-note { margin-top: 34px; text-align: center; font-size: 12.5px; letter-spacing: .22em; color: var(--muted); }
.partners-note em { font-style: normal; color: var(--blue); }
@keyframes mqMove { to { transform: translateX(-50%); } }

/* ---------- 出口全球 ---------- */
.global { background: var(--paper); }
.global-panel { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(36px, 5vw, 68px); align-items: center; padding: clamp(32px, 5vw, 60px); border: 1px solid var(--line); background: var(--white); box-shadow: var(--shadow); border-radius: 4px; }
.global-copy { min-width: 0; }
.global-txt { font-size: 16px; line-height: 2; color: var(--ink-2); margin-bottom: 26px; }
.global-points { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.global-points li { display: flex; align-items: center; gap: 14px; font-size: 15px; font-weight: 500; color: var(--ink); }
.global-points i { font-style: normal; color: var(--blue); }
.global-markets { margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--line); }
.gm-label { font-size: 11px; letter-spacing: .3em; color: var(--muted); }
.gm-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.gm-chips b { font-size: 11.5px; letter-spacing: .1em; color: var(--ink-2); border: 1px solid var(--line-2); padding: 6px 12px; border-radius: 999px; background: var(--paper); }
.gm-note { font-size: 11px; color: var(--muted); margin-top: 16px; letter-spacing: .04em; }
.global-map { width: 100%; line-height: 0; }
.global-map svg { width: 100%; height: auto; display: block; }
.global-map .globe { filter: drop-shadow(0 22px 44px rgba(8, 18, 38, .35)); }
.continents path { fill: rgba(143, 188, 255, .24); stroke: rgba(255, 255, 255, .1); stroke-width: 1; }
@media (max-width: 1024px) {
  .global-panel { grid-template-columns: 1fr; }
  .global-map { order: -1; max-width: 620px; margin-inline: auto; }
}
@media (max-width: 480px) {
  .global-panel { padding: 26px 18px; }
  .global-copy .global-points li { font-size: 14px; }
}

/* ---------- 现代质感：卡片 Tilt/Spotlight/光边 + 流星粒子 ---------- */
.adv-grid { perspective: 1200px; }
.adv-card { will-change: transform; }
.adv-card::after { content: ""; position: absolute; inset: 0; z-index: 1; opacity: 0; transition: opacity .4s var(--ease); background: radial-gradient(380px circle at var(--mx, 50%) var(--my, 50%), rgba(255, 255, 255, .12), transparent 42%); pointer-events: none; }
.adv-card:hover::after { opacity: 1; }
.adv-card.is-tilting { transition: transform .12s ease-out, box-shadow .4s var(--ease), border-color .4s var(--ease); }
.adv-card:hover { border-color: rgba(30, 86, 208, .5); box-shadow: var(--shadow); }
.craft-meteors { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 1; }
.craft-meteors i { position: absolute; top: var(--top); left: var(--left); width: 2px; height: 110px; background: linear-gradient(135deg, rgba(255,255,255,.9), rgba(143,188,255,0) 72%); transform: rotate(135deg) translateX(0); border-radius: 999px; opacity: 0; animation: meteor var(--dur, 5s) linear infinite; }
@keyframes meteor {
  0%   { opacity: 0; transform: rotate(135deg) translateX(0); }
  8%   { opacity: 1; }
  55%  { opacity: 1; }
  100% { opacity: 0; transform: rotate(135deg) translateX(-420px); }
}

/* ---------- 联系我们 ---------- */
.contact { background: linear-gradient(180deg, #0A1830 0%, var(--navy) 100%); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(48px, 7vw, 110px); align-items: start; }
.contact-phone { margin: 30px 0 6px; }
.contact-phone span { display: block; font-size: 11px; letter-spacing: .3em; color: rgba(255, 255, 255, .5); margin-bottom: 8px; }
.contact-phone a { font-family: var(--serif); font-weight: 600; font-size: clamp(34px, 3.8vw, 54px); line-height: 1.1; color: #fff; letter-spacing: .02em; }
.contact-phone a b { color: var(--cyan); font-weight: 600; }
.contact-phone p { font-size: 13px; color: rgba(255, 255, 255, .55); margin-top: 10px; letter-spacing: .1em; }
.info-list { list-style: none; margin-top: 20px; }
.info-item { position: relative; display: grid; grid-template-columns: 104px 1fr; gap: 4px 20px; padding: 24px 0; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.info-item:first-child { border-top: 1px solid rgba(255, 255, 255, .1); }
.info-item i { font-style: normal; grid-row: 1 / 3; font-size: 10px; letter-spacing: .3em; color: var(--cyan); padding-top: 6px; }
.info-item b { font-family: var(--serif); font-weight: 600; font-size: 16px; color: #fff; letter-spacing: .06em; }
.info-item span { font-size: 14px; color: rgba(255, 255, 255, .62); line-height: 1.9; }
.contact-form { padding: clamp(30px, 4vw, 46px); border: 1px solid rgba(255, 255, 255, .14); background: linear-gradient(160deg, rgba(255, 255, 255, .07), rgba(255, 255, 255, .02)); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.cf-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 30px; }
.cf-head h3 { font-family: var(--serif); font-weight: 600; font-size: 24px; color: #fff; letter-spacing: .05em; }
.cf-head span { font-size: 9.5px; letter-spacing: .3em; color: rgba(255, 255, 255, .4); }
.cf-field { display: block; margin-bottom: 24px; }
.cf-field > span { display: block; font-size: 11px; letter-spacing: .22em; color: rgba(255, 255, 255, .5); margin-bottom: 10px; }
.cf-field input, .cf-field textarea { width: 100%; background: transparent; border: 0; border-bottom: 1px solid rgba(255, 255, 255, .18); padding: 12px 2px; color: #fff; font-size: 15px; outline: none; transition: border-color .3s; resize: vertical; }
.cf-field input::placeholder, .cf-field textarea::placeholder { color: rgba(255, 255, 255, .28); }
.cf-field input:focus, .cf-field textarea:focus { border-color: var(--cyan); }
.cf-field input.is-error, .cf-field textarea.is-error { border-color: #FF6B6B; }
.form-ok { margin-top: 18px; font-size: 13.5px; letter-spacing: .08em; color: #7FE0A3; }

/* ---------- Footer ---------- */
.site-foot { background: #060E1F; color: rgba(255, 255, 255, .5); overflow: hidden; }
.foot-mark { font-family: var(--serif); font-weight: 700; text-align: center; letter-spacing: .12em; font-size: clamp(52px, 9vw, 130px); line-height: 1; color: transparent; -webkit-text-stroke: 1px rgba(255, 255, 255, .09); user-select: none; padding: 64px 0 44px; }
.foot-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; border-top: 1px solid rgba(255, 255, 255, .08); padding: 22px 0 16px; font-size: 12.5px; letter-spacing: .06em; }
.foot-links { display: flex; gap: 24px; }
.foot-links a { transition: color .3s; }
.foot-links a:hover { color: var(--cyan); }
.foot-icp { color: rgba(255, 255, 255, .34); letter-spacing: .04em; transition: color .3s; }
.foot-icp:hover { color: var(--cyan); }
.foot-sub { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-bottom: 28px; font-size: 12px; letter-spacing: .08em; color: rgba(255, 255, 255, .32); }

/* ---------- To top ---------- */
.to-top { position: fixed; right: 26px; bottom: 26px; z-index: 150; width: 48px; height: 48px; border: 1px solid var(--line-2); background: rgba(255, 255, 255, .85); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); color: var(--blue); font-size: 17px; border-radius: 50%; box-shadow: var(--shadow-sm); transition: all .3s var(--ease); }
.to-top:hover { background: var(--blue); border-color: var(--blue); color: #fff; transform: translateY(-4px); }

/* ---------- Responsive ---------- */
@media (max-width: 1280px) {
  .nav-links { gap: 18px; }
  .products-grid { grid-template-columns: repeat(3, 1fr); }
  .culture-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .hero { min-height: auto; padding-bottom: 120px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 20px 0; }
  .about-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .stat { border-left: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .craft-grid { grid-template-columns: repeat(2, 1fr); }
  .hist-item { grid-template-columns: 1fr; gap: 10px; padding: 34px 0 34px 34px; }
  .hist-line { left: 0; }
  .hist-item::before { left: 0; }
  .hist-year, .hist-item:nth-child(even) .hist-year { text-align: left; padding: 0 0 0 10px; order: 1; }
  .hist-txt, .hist-item:nth-child(even) .hist-txt { text-align: left; padding: 0 0 0 10px; order: 2; }
  .sub-anchor { display: none; }
}
@media (max-width: 760px) {
  .container { width: calc(100% - 40px); }
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .p-info { padding: 13px 14px; }
  .p-info h3 { font-size: 15.5px; }
  .adv-grid { grid-template-columns: 1fr; }
  .culture-grid { grid-template-columns: 1fr; }
  .quality-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .honor-strip { grid-template-columns: repeat(2, 1fr); }
  .hero-ctas .btn { flex: 1; justify-content: center; }
  .media-a { width: 100%; }
  .media-b { width: 58%; bottom: -30px; }
  .media-b img { height: 150px; }
  .lb-fig { max-width: calc(100vw - 40px); }
  .lb-nav { width: 44px; height: 44px; font-size: 15px; }
  .lb-prev { left: 8px; } .lb-next { right: 8px; }
  .foot-mark { padding: 46px 0 30px; }
  .foot-row, .foot-sub { justify-content: center; text-align: center; }
  .scroll-cue { display: none; }
}
@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 16px 0; }
  .hs-item { padding-left: 14px; }
  .honor-strip { grid-template-columns: 1fr; }
  .cr-item, .cr-item-lg { grid-column: span 2; }
  .cr-item img, .cr-item-lg img { height: 200px; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .pf-btn { padding: 9px 14px; font-size: 12.5px; }
  .history .container { width: calc(100% - 24px); }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
  .traveler, .satellite { display: none !important; }
}

/* ---------- Hero 规格面板 ---------- */
.spec-panel { position: relative; width: min(430px, 100%); aspect-ratio: 1 / 1; border: 1px solid rgba(255, 255, 255, .16); border-radius: 3px; background: radial-gradient(circle at 50% 42%, rgba(77, 134, 245, .14), rgba(5, 13, 31, .4) 60%); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); overflow: hidden; box-shadow: inset 0 0 60px rgba(77, 134, 245, .08); animation: specFloat 7s ease-in-out infinite; }
@keyframes specFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
.spec-ring { position: absolute; border-radius: 50%; pointer-events: none; }
.spec-ring.r1 { inset: 8%; border: 1px dashed rgba(143, 188, 255, .35); animation: spin 46s linear infinite; }
.spec-ring.r2 { inset: 18%; border: 1px solid rgba(143, 188, 255, .12); }
.spec-ring.r2::before, .spec-ring.r2::after { content: ""; position: absolute; width: 7px; height: 7px; background: var(--cyan); border-radius: 50%; box-shadow: 0 0 12px rgba(143, 188, 255, .9); }
.spec-ring.r2::before { top: -3.5px; left: 50%; transform: translateX(-50%); }
.spec-ring.r2::after { bottom: -3.5px; left: 50%; transform: translateX(-50%); }
@keyframes spin { to { transform: rotate(360deg); } }
.spec-cross { position: absolute; inset: 0; pointer-events: none; }
.spec-cross::before, .spec-cross::after { content: ""; position: absolute; background: rgba(143, 188, 255, .18); }
.spec-cross::before { left: 0; right: 0; top: 50%; height: 1px; }
.spec-cross::after { top: 0; bottom: 0; left: 50%; width: 1px; }
.spec-img { position: absolute; inset: 27%; display: grid; place-items: center; border-radius: 50%; overflow: hidden; background: #0E1E3C; }
.spec-img img { width: 100%; height: 100%; object-fit: cover; }
.spec-scanline { position: absolute; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, transparent, var(--cyan), transparent); opacity: 0; animation: specScan 4.5s ease-in-out infinite; }
@keyframes specScan { 0% { top: 22%; opacity: 0; } 12% { opacity: .85; } 45% { opacity: .85; } 55% { opacity: 0; top: 78%; } 100% { top: 78%; opacity: 0; } }
.spec-dim { position: absolute; font-size: 10px; letter-spacing: .28em; color: rgba(255, 255, 255, .5); }
.spec-dim.d-top { top: 12px; left: 16px; }
.spec-dim.d-top::before { content: ""; position: absolute; left: -2px; top: 130%; width: 26px; height: 1px; background: var(--cyan); opacity: .5; }
.spec-dim.d-right { right: 14px; top: 50%; transform: rotate(90deg); transform-origin: right center; }
.spec-tag { position: absolute; font-size: 11.5px; line-height: 1.7; letter-spacing: .1em; color: rgba(255, 255, 255, .8); padding: 10px 14px; border: 1px solid rgba(255, 255, 255, .18); background: rgba(8, 18, 38, .6); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.spec-tag.t-a { left: -12px; bottom: 26%; }
.spec-tag.t-b { right: -8px; top: 16%; }
.spec-foot { position: absolute; left: 16px; right: 16px; bottom: 12px; display: flex; justify-content: space-between; font-size: 9.5px; letter-spacing: .26em; color: rgba(255, 255, 255, .38); }

/* ---------- 能力跑马灯 ---------- */
.ticker { position: relative; background: var(--white); border-block: 1px solid var(--line); overflow: hidden; padding: 18px 0; z-index: 5; }
.ticker-track { display: flex; width: max-content; white-space: nowrap; animation: mqMove 30s linear infinite; }
.ticker-track span { font-family: var(--serif); font-size: 17px; font-weight: 600; color: var(--ink); letter-spacing: .24em; padding: 0 26px; }
.ticker-track i { font-style: normal; color: var(--blue); font-size: 12px; }

/* ---------- Section meta (序号) ---------- */
.sec-meta { display: flex; align-items: center; gap: 16px; }
.sec-idx { font-family: var(--serif); font-weight: 700; font-size: 15px; color: var(--blue); border: 1px solid rgba(30, 86, 208, .45); padding: 3px 10px; border-radius: 2px; }
.sec-rule { flex: none; width: 52px; height: 1px; background: linear-gradient(90deg, var(--blue), transparent); }
.sec-head .sec-en { margin-top: 16px; }
.sec-head.light .sec-idx { border-color: rgba(143, 188, 255, .5); }

/* ---------- 优势图标 ---------- */
.adv-ico { width: 44px; height: 44px; margin: 4px 0 18px; color: var(--blue); }
.adv-ico svg { width: 100%; height: 100%; }

/* ---------- 资讯封面 ---------- */
.news-cover { position: relative; height: 150px; margin: -34px -30px 0; overflow: hidden; background-size: cover; background-position: center; }
.news-cover::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8,18,38,.22), transparent 55%); }
.news-cover span { position: absolute; right: 14px; bottom: 10px; font-size: 10px; letter-spacing: .3em; color: rgba(255, 255, 255, .75); }
.cover-1 { background-image: url("../img/news/news-1.jpg"); }
.cover-2 { background-image: url("../img/news/news-2.jpg"); }
.cover-3 { background-image: url("../img/news/news-3.jpg"); }

/* ---------- 页脚网格 ---------- */
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding: 70px 0 54px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.brand-light { color: #fff; }
.brand-light .brand-txt { color: #fff; }
.brand-light .brand-txt small { color: rgba(255, 255, 255, .4); }
.foot-col p { font-size: 13.5px; color: rgba(255, 255, 255, .5); line-height: 2; margin-top: 18px; }
.foot-col h4 { font-family: var(--serif); font-weight: 600; font-size: 16px; color: #fff; letter-spacing: .1em; margin-bottom: 18px; }
.foot-col a { display: block; font-size: 13.5px; color: rgba(255, 255, 255, .5); line-height: 2.2; transition: color .3s, padding-left .3s var(--ease); }
.foot-col a:hover { color: var(--cyan); padding-left: 6px; }
.foot-mark { padding-top: 54px; }

/* ---------- Responsive (V8.1) ---------- */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 54px; }
  .hero-show { order: -1; }
  .spec-panel { width: min(360px, 92%); }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
}
@media (max-width: 760px) {
  .spec-tag { display: none; }
  .spec-dim.d-right { display: none; }
  .foot-grid { grid-template-columns: 1fr; gap: 30px; padding: 48px 0 40px; }
  .foot-mark { padding-top: 40px; }
}
@media (max-width: 480px) {
  .hero-show { order: -1; }
  .spec-panel { width: min(320px, 100%); }
  .sec-idx { font-size: 13px; padding: 2px 8px; }
  .sec-rule { width: 36px; }
}

/* ---------- 联系表单：蜜罐 + 错误提示 ---------- */
.cf-honey { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; opacity: 0; pointer-events: none; }
.form-err { margin-top: 12px; font-size: 13px; letter-spacing: .04em; color: #FF9E9E; line-height: 1.7; }

/* ---------- 联系区：微信二维码 ---------- */
.contact-wechat { display: flex; align-items: center; gap: 18px; margin-top: 34px; }
.cw-card { flex: none; width: 156px; padding: 9px; background: #fff; border-radius: 8px; box-shadow: 0 16px 36px rgba(0, 0, 0, .38); }
.cw-card img { display: block; width: 100%; height: auto; }
.cw-txt b { display: block; font-family: var(--serif); font-weight: 600; font-size: 16px; color: #fff; letter-spacing: .04em; margin-bottom: 8px; }
.cw-txt span { font-size: 12.5px; line-height: 1.9; color: rgba(255, 255, 255, .62); }
@media (max-width: 480px) { .contact-wechat { gap: 14px; } .cw-card { width: 130px; } }