@charset "utf-8";

/* ==========================================================================
   青岛至盛冠美家具有限公司 · 品牌站样式
   设计说明：以品牌橙 (#E35F14) 与深墨色为主，纸感底色 + 宋体标题，
   强调留白、细线与克制的动效。
   ========================================================================== */

/* ---------- 1. 设计变量 ---------- */
:root {
  --ink: #15171a;
  --ink-2: #24272b;
  --muted: #6f7479;
  --muted-2: #9aa0a6;
  --paper: #faf8f4;
  --paper-2: #f2ede5;
  --white: #fff;
  --line: #e3ddd3;
  --line-soft: #ece7df;
  --brand: #e35f14;
  --brand-dark: #c24e0b;
  --brand-tint: #fbeee3;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC",
    "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --latin: "Optima", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow: 0 24px 60px -34px rgba(21, 23, 26, 0.5);
  --max: 1280px;
  --pad: clamp(20px, 5vw, 64px);
  --header-h: 88px;
}

/* ---------- 2. 基础重置 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

[id] { scroll-margin-top: calc(var(--header-h) + 24px); }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.9;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.is-locked { overflow: hidden; }

img { display: block; max-width: 100%; height: auto; }

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.35s var(--ease);
}

ul, ol { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, h4, p, dl, dd, figure { margin: 0; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}

::selection { background: var(--brand); color: #fff; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 300;
  padding: 12px 20px;
  background: var(--ink);
  color: #fff;
  font-size: 13px;
}
.skip-link:focus { top: 12px; }

/* ---------- 3. 布局工具 ---------- */
.container {
  width: min(var(--max), calc(100% - var(--pad) * 2));
  margin-inline: auto;
}

.section { padding: clamp(64px, 8vw, 120px) 0; }
.section--tight { padding: clamp(48px, 5vw, 76px) 0; }
.section--paper { background: var(--paper-2); }
.section--line { border-top: 1px solid var(--line-soft); }

/* ---------- 4. 排版 ---------- */
.display {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(40px, 5.6vw, 74px);
  line-height: 1.24;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.h2 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.4;
  letter-spacing: 0.05em;
}

.h3 {
  font-size: clamp(19px, 1.6vw, 22px);
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.6;
}

.lead {
  color: var(--muted);
  font-size: clamp(15px, 1.05vw, 16.5px);
  line-height: 2.05;
}

.body-text {
  color: var(--muted);
  font-size: 15px;
  line-height: 2.1;
}
.body-text + .body-text { margin-top: 1.15em; }
.body-text strong { color: var(--ink); font-weight: 600; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--brand);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  line-height: 1;
}
.eyebrow::before {
  content: "";
  width: 30px;
  height: 1px;
  background: currentColor;
  opacity: 0.65;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--brand);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}
.section-label .num {
  font-family: var(--latin);
  font-size: 12px;
  letter-spacing: 0.12em;
}
.section-label .bar {
  width: 28px;
  height: 1px;
  background: var(--brand);
  opacity: 0.5;
}

.sec-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: clamp(32px, 4vw, 60px);
}
.sec-head .h2 { margin-top: 20px; }
.sec-head__aside { flex: none; padding-bottom: 6px; }
.sec-head--center {
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

/* ---------- 5. 按钮 ---------- */
.btn {
  --btn-bg: var(--ink);
  --btn-fg: #fff;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 52px;
  padding: 0 30px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-size: 14px;
  letter-spacing: 0.1em;
  line-height: 1;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: background 0.4s var(--ease), color 0.4s var(--ease),
    border-color 0.4s var(--ease), transform 0.4s var(--ease);
}
.btn svg { width: 15px; height: 15px; transition: transform 0.45s var(--ease); }
.btn:hover { transform: translateY(-2px); }
.btn:hover svg { transform: translate(3px, -3px); }

.btn--brand { --btn-bg: var(--brand); }
.btn--brand:hover { --btn-bg: var(--brand-dark); }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--ink);
  border-color: #cfc8bc;
}
.btn--ghost:hover { --btn-bg: var(--ink); --btn-fg: #fff; border-color: var(--ink); }

.btn--light { --btn-bg: #fff; --btn-fg: var(--ink); }
.btn--light:hover { --btn-bg: var(--brand); --btn-fg: #fff; }

.btn--sm { min-height: 44px; padding: 0 22px; font-size: 13px; }

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--ink);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line);
  transition: color 0.4s var(--ease), border-color 0.4s var(--ease);
}
.link-more svg { width: 14px; height: 14px; transition: transform 0.45s var(--ease); }
.link-more:hover { color: var(--brand); border-color: var(--brand); }
.link-more:hover svg { transform: translateX(4px); }

/* ---------- 6. 顶栏 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 244, 0.88);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s var(--ease), background 0.4s var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--line-soft);
  background: rgba(250, 248, 244, 0.96);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--header-h);
  transition: height 0.4s var(--ease);
}
.site-header.is-scrolled .header-inner { height: 72px; }

.logo { display: flex; align-items: center; flex: none; }
.logo img { height: 38px; width: auto; transition: height 0.4s var(--ease); }
.site-header.is-scrolled .logo img { height: 33px; }

.nav { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 38px); }
.nav a {
  position: relative;
  padding: 8px 0;
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--ink-2);
  white-space: nowrap;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 1px;
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.45s var(--ease);
}
.nav a:hover { color: var(--brand); }
.nav a:hover::after,
.nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav a[aria-current="page"] { color: var(--brand); }

.header-actions { display: flex; align-items: center; gap: 24px; flex: none; }
.header-tel {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  letter-spacing: 0.05em;
  color: var(--ink);
}
.header-tel svg { width: 15px; height: 15px; color: var(--brand); }
.header-tel:hover { color: var(--brand); }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 2px;
}
.nav-toggle svg { width: 20px; height: 20px; }

/* 移动端抽屉 */
.nav-panel {
  position: fixed;
  inset: 0 0 0 auto;
  z-index: 200;
  width: min(86vw, 380px);
  padding: 28px var(--pad) 40px;
  background: var(--paper);
  box-shadow: -30px 0 80px -40px rgba(0, 0, 0, 0.5);
  transform: translateX(102%);
  visibility: hidden;
  transition: transform 0.5s var(--ease-out), visibility 0.5s;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.nav-panel.is-open { transform: none; visibility: visible; }

.nav-panel__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line-soft);
}
.nav-panel__top img { height: 32px; width: auto; }
.nav-panel__close {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  border-radius: 2px;
}
.nav-panel__close svg { width: 18px; height: 18px; }

.nav-panel__links { padding: 26px 0; display: flex; flex-direction: column; }
.nav-panel__links a {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--serif);
  font-size: 20px;
  letter-spacing: 0.08em;
}
.nav-panel__links a span {
  font-family: var(--latin);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted-2);
}
.nav-panel__links a[aria-current="page"] { color: var(--brand); }

.nav-panel__contact { margin-top: auto; padding-top: 28px; font-size: 14px; color: var(--muted); }
.nav-panel__contact strong {
  display: block;
  margin-top: 6px;
  font-family: var(--latin);
  font-size: 24px;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.nav-scrim {
  position: fixed;
  inset: 0;
  z-index: 150;
  background: rgba(16, 18, 20, 0.45);
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s var(--ease), visibility 0.4s;
}
.nav-scrim.is-open { opacity: 1; visibility: visible; }

/* ---------- 7. 首页首屏 ---------- */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  align-items: center;
  gap: clamp(28px, 4.5vw, 72px);
  padding: clamp(36px, 5vw, 76px) 0 clamp(48px, 6vw, 92px);
}

.hero__copy { position: relative; padding-left: clamp(0px, 1.5vw, 20px); }
.hero__copy .display { margin-top: 26px; }
.hero__lead { max-width: 30em; margin-top: 26px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: clamp(36px, 4.5vw, 60px);
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.hero__stat dt {
  font-family: var(--latin);
  font-size: clamp(26px, 2.6vw, 36px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.hero__stat dt sup {
  font-size: 0.42em;
  color: var(--brand);
  top: -0.9em;
  margin-left: 2px;
  letter-spacing: 0;
}
.hero__stat dd {
  margin: 10px 0 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.hero__media {
  position: relative;
  overflow: hidden;
  background: var(--paper-2);
  aspect-ratio: 5 / 4;
}
.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  animation: hero-zoom 12s var(--ease-out) forwards;
}
.hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(21, 23, 26, 0.08);
  pointer-events: none;
}
.hero__badge {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 22px;
  background: rgba(250, 248, 244, 0.94);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-2);
}
.hero__badge::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--brand);
  border-radius: 50%;
}

@keyframes hero-zoom {
  from { transform: scale(1.1); }
  to { transform: scale(1.02); }
}

/* ---------- 8. 业务条 ---------- */
.strip {
  background: var(--ink);
  color: #fff;
}
.strip__inner {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.strip__item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 26px clamp(14px, 2vw, 26px);
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 13.5px;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.86);
}
.strip__item:first-child { border-left: 0; padding-left: 0; }
.strip__item span {
  font-family: var(--latin);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--brand);
}

.strip--stats .strip__item {
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.5);
}
.strip--stats .strip__item span {
  font-size: clamp(22px, 2vw, 28px);
  line-height: 1.2;
  letter-spacing: 0.03em;
  color: #fff;
}

/* ---------- 9. 分栏（关于） ---------- */
.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
  gap: clamp(32px, 6vw, 96px);
}
.split--media-right { direction: ltr; }

.frame { position: relative; }
.frame__media {
  position: relative;
  z-index: 1;
  overflow: hidden;
  background: var(--paper-2);
  aspect-ratio: 4 / 3;
}
.frame__media img { width: 100%; height: 100%; object-fit: cover; }
.frame::after {
  content: "";
  position: absolute;
  inset: 22px -22px -22px 22px;
  border: 1px solid var(--line);
  z-index: 0;
}
.frame__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 14px 20px;
  background: var(--paper);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.about-copy .h2 { margin-top: 20px; }
.about-copy .body-text { margin-top: 26px; }
.about-copy .link-more { margin-top: 34px; }

/* 服务环节小列表 */
.steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 40px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}
.steps li {
  background: var(--paper);
  padding: 22px 20px;
}
.steps b {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.05em;
}
.steps b i {
  font-family: var(--latin);
  font-style: normal;
  font-size: 11px;
  color: var(--brand);
  letter-spacing: 0.1em;
}
.steps p {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted);
}

/* ---------- 10. 产品系列卡片 ---------- */
.cats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(12px, 1.6vw, 22px);
}
.cat-card {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--paper-2);
  aspect-ratio: 3 / 4;
}
.cat-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s var(--ease-out), filter 1s var(--ease);
}
.cat-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(12, 13, 15, 0) 38%, rgba(12, 13, 15, 0.72) 100%);
  transition: opacity 0.5s var(--ease);
}
.cat-card__body {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  padding: clamp(16px, 1.8vw, 24px);
  color: #fff;
}
.cat-card__name {
  font-family: var(--serif);
  font-size: clamp(17px, 1.5vw, 20px);
  letter-spacing: 0.1em;
}
.cat-card__en {
  margin-top: 6px;
  font-family: var(--latin);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.66);
}
.cat-card__arrow {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  flex: none;
  transition: background 0.45s var(--ease), border-color 0.45s var(--ease),
    transform 0.45s var(--ease);
}
.cat-card__arrow svg { width: 14px; height: 14px; }
.cat-card:hover img { transform: scale(1.06); }
.cat-card:hover .cat-card__arrow {
  background: var(--brand);
  border-color: var(--brand);
  transform: translate(2px, -2px);
}

/* ---------- 11. 产品卡 ---------- */
.prod-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(14px, 1.8vw, 26px);
}
.prod-grid--four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
[data-product-card] { cursor: pointer; }

.prod-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line-soft);
  transition: border-color 0.4s var(--ease), box-shadow 0.5s var(--ease),
    transform 0.5s var(--ease);
}
.prod-card:hover {
  border-color: #ded6c9;
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.prod-card__thumb {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #fff;
}
.prod-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s var(--ease-out);
}
.prod-card:hover .prod-card__thumb img { transform: scale(1.045); }
.prod-card__tag {
  position: absolute;
  top: 0;
  left: 0;
  padding: 7px 12px;
  background: rgba(250, 248, 244, 0.94);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--muted);
}
.prod-card__body {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 20px 20px;
  border-top: 1px solid var(--line-soft);
}
.prod-card__name {
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.5;
}
.prod-card__en {
  margin-top: 4px;
  font-family: var(--latin);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.prod-card__go {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--ink);
  flex: none;
  transition: all 0.4s var(--ease);
}
.prod-card__go svg { width: 13px; height: 13px; }
.prod-card:hover .prod-card__go {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

/* ---------- 12. 优势 / 数字 ---------- */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(20px, 2.6vw, 40px);
}
.adv-item { padding-top: 24px; border-top: 1px solid var(--line); }
.adv-item__num {
  font-family: var(--latin);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--brand);
}
.adv-item h3 { margin-top: 14px; font-size: 17px; font-weight: 600; letter-spacing: 0.05em; }
.adv-item p { margin-top: 12px; font-size: 13.5px; line-height: 2; color: var(--muted); }

/* ---------- 13. 引言带 ---------- */
.quote-band {
  position: relative;
  overflow: hidden;
  padding: clamp(80px, 11vw, 150px) 0;
  color: #fff;
  background: #101215;
  isolation: isolate;
}
.quote-band__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}
.quote-band__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 78% center;
  opacity: 0.4;
  filter: grayscale(1) contrast(1.05);
}
.quote-band__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, #101215 6%, rgba(16, 18, 21, 0.82) 42%, rgba(16, 18, 21, 0.38) 100%),
    radial-gradient(80% 90% at 75% 30%, rgba(16, 18, 21, 0.1), rgba(16, 18, 21, 0.55));
}
.quote-band__inner { position: relative; max-width: 880px; }
.quote-band .eyebrow { color: rgba(255, 255, 255, 0.62); }
.quote-band .eyebrow::before { background: currentColor; }
.quote-band blockquote {
  margin: 30px 0 0;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(22px, 2.9vw, 36px);
  line-height: 1.85;
  letter-spacing: 0.08em;
  color: #fff;
}
.quote-band blockquote em {
  font-style: normal;
  color: var(--brand);
}
.quote-band__meta {
  margin-top: 30px;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.45);
}

/* ---------- 14. 新闻列表 ---------- */
.news-list { border-top: 1px solid var(--line); }
.news-item {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr) 44px;
  align-items: center;
  gap: clamp(16px, 2.4vw, 36px);
  width: 100%;
  padding: clamp(20px, 2.2vw, 30px) 4px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  transition: background 0.4s var(--ease), padding-left 0.4s var(--ease);
}
.news-item:hover { background: rgba(255, 255, 255, 0.6); padding-left: 14px; }
.news-item__date {
  font-family: var(--latin);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
  white-space: nowrap;
}
.news-item__title {
  font-size: clamp(15.5px, 1.4vw, 18px);
  font-weight: 500;
  letter-spacing: 0.03em;
  line-height: 1.7;
  transition: color 0.4s var(--ease);
}
.news-item:hover .news-item__title { color: var(--brand); }
.news-item__cat {
  display: inline-block;
  margin-left: 12px;
  padding: 2px 8px;
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
  border: 1px solid var(--line);
  vertical-align: 2px;
}
.news-item__go { justify-self: end; color: var(--muted-2); transition: all 0.4s var(--ease); }
.news-item__go svg { width: 16px; height: 16px; }
.news-item:hover .news-item__go { color: var(--brand); transform: translateX(4px); }

/* ---------- 15. 行动号召 ---------- */
.cta {
  position: relative;
  overflow: hidden;
  padding: clamp(64px, 9vw, 118px) 0;
  background: var(--ink);
  color: #fff;
}
.cta__inner {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: clamp(28px, 5vw, 72px);
  z-index: 2;
}
.cta .eyebrow { color: rgba(255, 255, 255, 0.55); }
.cta .eyebrow::before { background: currentColor; }
.cta__title {
  margin-top: 22px;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(26px, 3.6vw, 46px);
  line-height: 1.55;
  letter-spacing: 0.06em;
}
.cta__title em { font-style: normal; color: var(--brand); }
.cta__aside { flex: none; text-align: right; }
.cta__tel {
  display: block;
  font-family: var(--latin);
  font-size: clamp(24px, 2.6vw, 34px);
  letter-spacing: 0.04em;
  color: #fff;
}
.cta__tel:hover { color: var(--brand); }
.cta__note { margin-top: 6px; font-size: 12px; letter-spacing: 0.18em; color: rgba(255, 255, 255, 0.5); }
.cta__actions { display: flex; gap: 14px; margin-top: 26px; justify-content: flex-end; }
.cta__watermark {
  position: absolute;
  right: -2vw;
  bottom: -6vw;
  font-family: var(--latin);
  font-size: clamp(120px, 22vw, 340px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.035);
  pointer-events: none;
  user-select: none;
  z-index: 1;
}

/* ---------- 16. 页脚 ---------- */
.site-footer {
  background: #0d0f11;
  color: rgba(255, 255, 255, 0.6);
  padding: clamp(56px, 7vw, 88px) 0 0;
  font-size: 13.5px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 0.75fr 0.75fr 1.15fr;
  gap: clamp(24px, 4vw, 56px);
  padding-bottom: clamp(40px, 5vw, 64px);
}
.footer-brand__logo {
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  color: #fff;
}
.footer-brand__logo b {
  font-family: var(--latin);
  font-size: 26px;
  font-weight: 500;
  letter-spacing: 0.16em;
}
.footer-brand__logo span {
  font-family: var(--serif);
  font-size: 16px;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.72);
}
.footer-brand p { margin-top: 22px; max-width: 32em; line-height: 2.05; color: rgba(255, 255, 255, 0.45); }
.footer-col h4 {
  margin-bottom: 18px;
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.26em;
  color: rgba(255, 255, 255, 0.9);
  text-transform: uppercase;
}
.footer-col li + li { margin-top: 10px; }
.footer-col a { color: rgba(255, 255, 255, 0.55); }
.footer-col a:hover { color: var(--brand); }
.footer-contact li { display: flex; gap: 10px; line-height: 1.95; }
.footer-contact svg { width: 14px; height: 14px; margin-top: 6px; flex: none; color: var(--brand); }
.footer-contact a:hover { color: #fff; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
}
.footer-bottom a { color: rgba(255, 255, 255, 0.45); }
.footer-bottom a:hover { color: rgba(255, 255, 255, 0.8); }
.footer-bottom__links { display: flex; flex-wrap: wrap; gap: 8px 18px; }

/* ---------- 17. 内页头部 ---------- */
.page-hero {
  position: relative;
  padding: clamp(48px, 6vw, 84px) 0 clamp(36px, 4vw, 52px);
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(90% 120% at 92% 0%, rgba(227, 95, 20, 0.07), transparent 60%),
    var(--paper);
}
.page-hero__eyebrow { margin-bottom: 20px; }
.page-hero h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(32px, 4.4vw, 56px);
  line-height: 1.32;
  letter-spacing: 0.07em;
}
.page-hero p.page-hero__lead {
  margin-top: 20px;
  max-width: 46em;
  color: var(--muted);
  font-size: 15px;
  line-height: 2;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted-2);
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb span.sep { opacity: 0.5; }

.page-banner {
  position: relative;
  height: clamp(220px, 32vw, 420px);
  overflow: hidden;
  background: var(--paper-2);
}
.page-banner img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- 18. 关于页 ---------- */
.about-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(32px, 6vw, 88px);
  align-items: start;
}
.about-intro__media { position: sticky; top: calc(var(--header-h) + 24px); }
.about-intro__media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.about-intro__media figcaption {
  margin-top: 14px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--muted-2);
}
.about-intro .h2 { margin-top: 20px; }
.about-intro .body-text { margin-top: 26px; }
.about-intro .body-text:first-of-type { margin-top: 32px; }

.values {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}
.values__item { background: var(--paper); padding: clamp(26px, 3vw, 40px); }
.values__item .num {
  font-family: var(--latin);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--brand);
}
.values__item h3 { margin-top: 16px; }
.values__item p { margin-top: 12px; color: var(--muted); font-size: 13.5px; line-height: 2.05; }

.principles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--line); }
.principles li {
  padding: clamp(20px, 2.4vw, 30px) clamp(14px, 1.8vw, 26px);
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
}
.principles li:nth-child(3n) { border-right: 0; }
.principles b { display: block; font-size: 15.5px; font-weight: 600; letter-spacing: 0.04em; }
.principles b i {
  font-family: var(--latin);
  font-style: normal;
  font-size: 11px;
  color: var(--brand);
  margin-right: 8px;
}
.principles p { margin-top: 10px; font-size: 13px; line-height: 1.95; color: var(--muted); }

.timeline-note {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-top: 28px;
  padding: 16px 18px;
  background: var(--brand-tint);
  border-left: 2px solid var(--brand);
  font-size: 12.5px;
  line-height: 1.9;
  color: #8a4a1e;
}

/* ---------- 19. 产品页 ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.filters { display: flex; flex-wrap: wrap; gap: 8px; }
.filter {
  padding: 9px 18px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 2px;
  background: transparent;
  transition: all 0.35s var(--ease);
}
.filter:hover { color: var(--ink); border-color: #cfc7b8; }
.filter.is-active {
  color: #fff;
  background: var(--ink);
  border-color: var(--ink);
}
.filter__count {
  font-family: var(--latin);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted-2);
}
.filter__count b { color: var(--ink); font-weight: 500; font-size: 13px; }

.prod-empty {
  display: none;
  padding: 80px 0;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}

/* ---------- 20. 新闻页 ---------- */
.news-featured {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
  padding-bottom: clamp(32px, 4vw, 52px);
  border-bottom: 1px solid var(--line);
  margin-bottom: 10px;
}
.news-featured__media { overflow: hidden; aspect-ratio: 16 / 10; background: var(--paper-2); }
.news-featured__media img { width: 100%; height: 100%; object-fit: cover; }
.news-featured__meta { display: flex; gap: 14px; font-size: 12px; letter-spacing: 0.14em; color: var(--muted-2); }
.news-featured h2 { margin-top: 16px; }
.news-featured p { margin-top: 16px; color: var(--muted); }
.news-featured .link-more { margin-top: 24px; }

/* ---------- 21. 联系页 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
.contact-info { display: grid; gap: 0; border-top: 1px solid var(--line); }
.contact-info__item {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.contact-info__label { font-size: 12px; letter-spacing: 0.18em; color: var(--muted); padding-top: 2px; }
.contact-info__value { font-size: 15.5px; line-height: 1.9; color: var(--ink); letter-spacing: 0.02em; }
.contact-info__value a:hover { color: var(--brand); }
.contact-info__value small { display: block; font-size: 12.5px; color: var(--muted); margin-top: 4px; letter-spacing: 0.04em; }

.map-card {
  position: relative;
  margin-top: 28px;
  padding: 30px;
  background: var(--paper-2);
  border: 1px solid var(--line-soft);
  overflow: hidden;
}
.map-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(21, 23, 26, 0.055) 1px, transparent 1px),
    linear-gradient(rgba(21, 23, 26, 0.055) 1px, transparent 1px);
  background-size: 46px 46px;
  opacity: 0.7;
}
.map-card__inner { position: relative; }
.map-card__pin {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  background: var(--brand);
  color: #fff;
  border-radius: 50% 50% 50% 2px;
}
.map-card__pin svg { width: 18px; height: 18px; }
.map-card h3 { margin-top: 18px; font-size: 17px; font-weight: 600; letter-spacing: 0.04em; }
.map-card p { margin-top: 8px; font-size: 13.5px; color: var(--muted); line-height: 1.9; max-width: 26em; }
.map-card .link-more { margin-top: 20px; }

.form-card { background: #fff; border: 1px solid var(--line-soft); padding: clamp(24px, 3.2vw, 42px); }
.form-card h2 { font-family: var(--serif); font-size: clamp(22px, 2vw, 28px); letter-spacing: 0.06em; font-weight: 600; }
.form-card > p { margin-top: 10px; font-size: 13px; color: var(--muted); }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 28px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 12.5px; letter-spacing: 0.08em; color: var(--ink-2); }
.field label .req { color: var(--brand); margin-left: 2px; }
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.field textarea { min-height: 128px; resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--brand);
  background: #fff;
}
.field input::placeholder,
.field textarea::placeholder { color: #b3b0aa; }

.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 26px; }
.form-disclaimer { margin-top: 16px; font-size: 12px; line-height: 1.9; color: var(--muted-2); }
.form-note {
  display: none;
  margin-top: 20px;
  padding: 14px 16px;
  border-left: 2px solid var(--brand);
  background: var(--brand-tint);
  font-size: 13px;
  line-height: 1.9;
  color: #8a4a1e;
}
.form-note.is-visible { display: block; }

/* ---------- 22. 弹窗 ---------- */
.modal {
  width: min(980px, calc(100vw - 32px));
  max-height: calc(100vh - 48px);
  padding: 0;
  border: 0;
  background: var(--paper);
  color: var(--ink);
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 40px 120px -40px rgba(0, 0, 0, 0.6);
}
.modal::backdrop { background: rgba(12, 13, 15, 0.62); -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px); }
.modal[open] { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); }
.modal__media { background: #fff; display: grid; place-items: center; min-height: 280px; }
.modal__media img { width: 100%; height: 100%; max-height: 78vh; object-fit: contain; }
.modal__body { padding: clamp(24px, 3vw, 40px); overflow-y: auto; }
.modal__body .prod-card__en { color: var(--brand); letter-spacing: 0.2em; }
.modal__body h2,
.modal__body h3 { margin-top: 10px; font-family: var(--serif); font-size: clamp(22px, 2vw, 28px); font-weight: 600; letter-spacing: 0.06em; line-height: 1.45; }
.modal__body p { margin-top: 16px; font-size: 14px; line-height: 2.05; color: var(--muted); }
.modal__meta {
  margin-top: 22px;
  padding: 16px;
  background: var(--paper-2);
  font-size: 12.5px;
  line-height: 1.95;
  color: var(--muted);
}
.modal__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 3;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  background: rgba(250, 248, 244, 0.92);
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink);
}
.modal__close:hover { background: var(--brand); color: #fff; border-color: var(--brand); }
.modal__close svg { width: 16px; height: 16px; }

/* ---------- 23. 滚动进入动效 ---------- */
[data-reveal] {
  opacity: 1;
  transform: none;
}
.js [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}
.js [data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- 24. 返回顶部 ---------- */
.to-top {
  position: fixed;
  right: clamp(16px, 2.4vw, 32px);
  bottom: clamp(16px, 2.4vw, 32px);
  z-index: 90;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: #fff;
  border-radius: 50%;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.4s var(--ease);
  box-shadow: 0 12px 30px -14px rgba(0, 0, 0, 0.5);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--brand); }
.to-top svg { width: 16px; height: 16px; }

/* ---------- 25. 响应式：1200 ---------- */
@media (max-width: 1180px) {
  .nav { gap: 20px; }
  .nav a { font-size: 13.5px; }
  .header-tel { display: none; }
  .prod-grid--four { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* ---------- 26. 响应式：1024 ---------- */
@media (max-width: 1024px) {
  :root { --header-h: 76px; }

  .nav, .header-actions .btn { display: none; }
  .nav-toggle { display: inline-flex; }

  .hero {
    grid-template-columns: 1fr;
    gap: 36px;
    padding-top: 28px;
  }
  .hero__media { aspect-ratio: 16 / 10; order: 2; }
  .hero__copy { order: 1; padding-left: 0; }
  .hero__lead { max-width: 40em; }

  .strip__inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .strip__item { border-left: 0; border-bottom: 1px solid rgba(255, 255, 255, 0.09); padding-left: 0; }
  .strip__item:nth-child(even) { padding-left: 22px; border-left: 1px solid rgba(255, 255, 255, 0.09); }
  .strip__item:nth-last-child(-n + 2) { border-bottom: 0; }

  .split { grid-template-columns: 1fr; gap: 40px; }
  .frame::after { display: none; }

  .cats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cat-card { aspect-ratio: 4 / 3; }

  .adv-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 24px; }

  .about-intro { grid-template-columns: 1fr; }
  .about-intro__media { position: static; }

  .principles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .principles li:nth-child(3n) { border-right: 1px solid var(--line); }
  .principles li:nth-child(2n) { border-right: 0; }

  .contact-grid { grid-template-columns: 1fr; }
  .news-featured { grid-template-columns: 1fr; }

  .cta__inner { flex-direction: column; align-items: flex-start; }
  .cta__aside { text-align: left; }
  .cta__actions { justify-content: flex-start; }

  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }

  .modal[open] { grid-template-columns: 1fr; }
  .modal__media { max-height: 42vh; }
}

/* ---------- 27. 响应式：720 ---------- */
@media (max-width: 720px) {
  body { font-size: 14.5px; }

  .section { padding: 56px 0; }

  .display { font-size: clamp(34px, 9vw, 44px); letter-spacing: 0.04em; }
  .h2 { font-size: clamp(24px, 6.4vw, 30px); }

  .sec-head { flex-direction: column; align-items: flex-start; gap: 18px; }
  .sec-head__aside { padding-bottom: 0; }

  .hero__stats { gap: 12px; }
  .hero__stat dt { font-size: 24px; }
  .hero__stat dd { font-size: 11px; letter-spacing: 0.08em; }
  .hero__cta .btn { flex: 1 1 100%; }

  .prod-grid, .prod-grid--four { grid-template-columns: 1fr; }
  .cats { grid-template-columns: 1fr; }
  .cat-card { aspect-ratio: 5 / 4; }

  .adv-grid { grid-template-columns: 1fr; }

  .values { grid-template-columns: 1fr; }
  .principles { grid-template-columns: 1fr; }
  .principles li { border-right: 0 !important; }

  .news-item {
    grid-template-columns: minmax(0, 1fr) 28px;
    gap: 10px 14px;
  }
  .news-item__date { grid-column: 1 / -1; font-size: 12px; }
  .news-item__cat { margin-left: 8px; }

  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }

  .form-grid { grid-template-columns: 1fr; }
  .contact-info__item { grid-template-columns: 1fr; gap: 6px; }
  .contact-info__label { font-size: 11px; }

  .modal__actions .btn { flex: 1 1 100%; }
}

/* ---------- 28. 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}