@charset "utf-8";
/* =====================================================================
   杭州东彩包装 官网 — 欧洲极简风格样式
   设计原则：大量留白 / 细线分隔 / 无阴影 / 无圆角 / 克制的低饱和配色
   ===================================================================== */

:root {
  --ink: #141414;
  --ink-2: #5f5f5a;
  --ink-3: #8e8e88;
  --line: #e5e3de;
  --line-2: #d5d2cb;
  --bg: #ffffff;
  --bg-soft: #f6f5f2;
  --accent: #2f4f3e;
  --accent-soft: #eef1ee;
  --maxw: 1240px;
  --gut: 24px;
  --fs-sans: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Source Han Sans SC", sans-serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--fs-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; font-weight: 400; letter-spacing: -0.01em; }
p { margin: 0 0 1.1em; }
ul, ol { margin: 0 0 1.1em; padding-left: 1.2em; }
hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gut); }
.wrap-narrow { max-width: 860px; margin: 0 auto; padding: 0 var(--gut); }

/* ---------- 通用排版件 ---------- */
.kicker {
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 14px;
}

.sec { padding: 88px 0; }
.sec-soft { background: var(--bg-soft); }
.sec-head { margin-bottom: 48px; }
.sec-head h2 {
  font-size: clamp(26px, 3.2vw, 40px);
  line-height: 1.25;
  margin-bottom: 14px;
}
.sec-head p { color: var(--ink-2); max-width: 620px; margin: 0; font-size: 15px; }
.sec-head .rule { width: 48px; height: 1px; background: var(--ink); margin-bottom: 24px; }

.more-link {
  display: inline-block;
  font-size: 14px;
  letter-spacing: 0.06em;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--ink);
  transition: opacity 0.25s;
}
.more-link:hover { opacity: 0.55; }

/* ---------- 顶部 ---------- */
.topbar {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(180%) blur(8px);
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 19px;
  letter-spacing: 0.02em;
}
.brand img {
  height: 44px;
  width: auto;
  display: block;
  border-radius: 5px;
}
.brand-text {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.brand small {
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--ink-3);
  text-transform: uppercase;
}
.nav { display: flex; align-items: center; gap: 32px; }
.nav-item { position: relative; }
.nav-item > .nav-link {
  font-size: 16.5px;
  color: var(--ink);
  padding: 4px 0;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.nav-item > .nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--ink);
  transition: width 0.28s ease;
}
.nav-item > .nav-link:hover::after, .nav-item > .nav-link.is-active::after { width: 100%; }
.nav-toggle { display: none; background: none; border: 0; font-size: 22px; cursor: pointer; }

/* ---------- 主导航下拉菜单 ---------- */
/* 下拉箭头 */
.caret {
  width: 5px;
  height: 5px;
  border-right: 1px solid var(--ink-3);
  border-bottom: 1px solid var(--ink-3);
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.28s ease, border-color 0.28s ease;
  margin-left: 1px;
}
.nav-item:hover > .nav-link .caret {
  transform: rotate(225deg) translateY(-1px);
  border-color: var(--accent);
}

/* 悬停桥接：补上链接与下拉之间的空隙，避免鼠标移过去时菜单消失 */
.nav-item.has-sub::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 18px;
}

.submenu {
  position: absolute;
  top: calc(100% + 18px);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  min-width: 168px;
  background: #fff;
  border: 1px solid var(--line);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s ease;
  z-index: 60;
}
.nav-item:hover > .submenu,
.nav-item:focus-within > .submenu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
/* 触屏设备点击展开（由 main.js 添加 is-open） */
.nav-item.is-open > .submenu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.nav-item.is-open > .nav-link .caret {
  transform: rotate(225deg) translateY(-1px);
  border-color: var(--accent);
}
.submenu a {
  display: block;
  padding: 10px 22px;
  font-size: 14px;
  color: var(--ink-2);
  white-space: nowrap;
  letter-spacing: 0.02em;
  transition: color 0.2s ease, background 0.2s ease;
}
.submenu a:hover,
.submenu a.is-current {
  color: var(--accent);
  background: var(--bg-soft);
}

/* ---------- 首屏 ---------- */
.hero { position: relative; background: var(--bg-soft); overflow: hidden; }
.hero-slide { display: none; }
.hero-slide.is-active { display: block; }
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 52px 0;
}
.hero h1 {
  font-size: clamp(30px, 4.4vw, 56px);
  line-height: 1.18;
  margin-bottom: 20px;
  font-weight: 300;
}
.hero p.lead { color: var(--ink-2); font-size: 17px; max-width: 460px; margin-bottom: 32px; }
.hero-media { border: 1px solid var(--line); background: #fff; }
.hero-media img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.hero-dots { display: flex; gap: 14px; margin-top: 24px; }
.hero-dots button {
  width: 60px; height: 4px; border: 0; padding: 0; cursor: pointer;
  background: #cbc7bf;
  transition: background 0.3s ease;
}
.hero-dots button:hover { background: var(--ink-3); }
.hero-dots button.is-active { background: var(--ink); }

.btn {
  display: inline-block;
  padding: 14px 30px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #fff;
  font-size: 15px;
  letter-spacing: 0.05em;
  transition: background 0.25s, color 0.25s;
}
.btn:hover { background: transparent; color: var(--ink); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: #fff; }
.btn-accent { background: var(--accent); border-color: var(--accent); }
.btn-accent:hover { background: transparent; color: var(--accent); }

/* ---------- 数据条 ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stat { padding: 36px 16px; text-align: center; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat b { display: block; font-size: 30px; font-weight: 400; letter-spacing: -0.01em; }
.stat span { font-size: 13px; color: var(--ink-2); }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 32px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card { display: block; border: 1px solid var(--line); background: #fff; transition: border-color 0.3s; }
.card:hover { border-color: var(--ink); }
.card-media { overflow: hidden; background: var(--bg-soft); }
.card-media img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  transition: transform 0.6s ease;
}
.card:hover .card-media img { transform: scale(1.04); }
.card-body { padding: 22px 24px 26px; }
.card-body h3 { font-size: 17px; margin-bottom: 8px; }
.card-body p { font-size: 14px; color: var(--ink-2); margin: 0; }
.card-tag {
  display: inline-block; font-size: 11px; letter-spacing: 0.16em;
  color: var(--ink-3); text-transform: uppercase; margin-bottom: 10px;
}

/* ---------- 优势 / 流程 ---------- */
/* 优势条目：3 列 × 2 行网格，靠版式打破文字墙 */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: 44px;
}
.adv {
  border-top: 1px solid var(--ink);
  padding: 24px 0 34px;
}
.adv h3 { font-size: 17px; margin-bottom: 8px; }
.adv p { font-size: 14px; color: var(--ink-2); margin: 0; max-width: 460px; }
.adv .num { font-size: 12px; color: var(--ink-3); letter-spacing: 0.16em; margin-bottom: 10px; }
/* 带配图的优势条目：文案在左，图片在右（预留能力，未填图时不生效）
.adv-has-img {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 48px;
  align-items: center;
}
.adv-media {
  border: 1px solid var(--line);
  background: var(--bg-soft);
  overflow: hidden;
}
.adv-media img {
  display: block;
  width: 100%;
  height: 200px;
  object-fit: cover;
}
@media (max-width: 900px) {
  .adv-has-img { grid-template-columns: 1fr; gap: 20px; }
  .adv-media img { height: 180px; }
}
*/

.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.step { border-top: 1px solid var(--ink); padding-top: 18px; }
.step b { display: block; font-size: 12px; letter-spacing: 0.18em; color: var(--ink-3); margin-bottom: 10px; font-weight: 400; }
.step h4 { font-size: 16px; margin-bottom: 6px; }
.step p { font-size: 13px; color: var(--ink-2); margin: 0; }

.brands { display: flex; flex-wrap: wrap; gap: 12px 14px; }
.brands span {
  border: 1px solid var(--line);
  padding: 10px 20px;
  font-size: 14px;
  color: var(--ink-2);
}

/* ---------- 面包屑 ---------- */
.crumbs {
  font-size: 13px;
  color: var(--ink-3);
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.crumbs a { color: var(--ink-2); }
.crumbs a:hover { color: var(--ink); }
.crumbs span { margin: 0 8px; color: var(--line-2); }
.crumbs span.cur { margin: 0; color: var(--ink); }

/* ---------- 页面头部 ---------- */
.page-head { padding: 64px 0 40px; border-bottom: 1px solid var(--line); }
.page-head h1 { font-size: clamp(26px, 3.4vw, 44px); font-weight: 300; margin-bottom: 14px; }
.page-head p { color: var(--ink-2); max-width: 680px; margin: 0; }

/* ---------- 产品详情 ---------- */
.pd { padding: 56px 0 96px; }
.pd-top { display: grid; grid-template-columns: 1.05fr 1fr; gap: 64px; align-items: start; }
.pd-gallery { border: 1px solid var(--line); }
.pd-gallery-main img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
.pd-thumbs { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); }
.pd-thumbs button {
  border: 0; border-right: 1px solid var(--line); background: #fff; padding: 0; cursor: pointer;
}
.pd-thumbs button:last-child { border-right: 0; }
.pd-thumbs img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; opacity: 0.62; }
.pd-thumbs button.is-active img { opacity: 1; }

.pd-info h1 { font-size: clamp(24px, 2.8vw, 36px); font-weight: 300; line-height: 1.3; margin-bottom: 12px; }
.pd-sub { color: var(--ink-2); font-size: 16px; margin-bottom: 28px; }
.pd-highlights { list-style: none; padding: 0; margin: 0 0 32px; border-top: 1px solid var(--line); }
.pd-highlights li {
  display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 15px;
}
.pd-highlights li b { font-weight: 400; min-width: 96px; }
.pd-highlights li span { color: var(--ink-2); }
.pd-keyfacts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-bottom: 32px; }
.pd-keyfacts div { background: #fff; padding: 16px 18px; }
.pd-keyfacts dt { font-size: 12px; letter-spacing: 0.12em; color: var(--ink-3); text-transform: uppercase; margin-bottom: 4px; }
.pd-keyfacts dd { margin: 0; font-size: 15px; }
.pd-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.pd-section { margin-top: 88px; }
.pd-section > h2 {
  font-size: 24px; font-weight: 400; padding-bottom: 16px;
  border-bottom: 1px solid var(--ink); margin-bottom: 32px;
}
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.feature-item { background: #fff; padding: 30px 26px; }
.feature-item .fi-icon {
  width: 34px; height: 34px; border: 1px solid var(--line-2);
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
  font-size: 12px; color: var(--accent); letter-spacing: 0.05em;
}
.feature-item h3 { font-size: 16px; margin-bottom: 8px; }
.feature-item p { font-size: 14px; color: var(--ink-2); margin: 0; }

.pd-section-lead { color: var(--ink-2); font-size: 15px; margin: -18px 0 32px; max-width: 720px; }

/* 材质构成 */
.mat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.mat-item { background: #fff; padding: 26px 24px 24px; }
.mat-item h3 { font-size: 15px; font-weight: 400; margin-bottom: 10px; letter-spacing: 0.02em; }
.mat-desc { font-size: 14px; color: var(--ink-2); margin: 0 0 14px; line-height: 1.7; }
.mat-note { font-size: 13px; color: var(--ink-2); margin: 0; padding-top: 12px; border-top: 1px dashed var(--line); line-height: 1.6; }
.mat-note span {
  display: inline-block; margin-right: 8px; font-size: 11px; letter-spacing: 0.1em;
  color: var(--accent); border: 1px solid var(--accent); padding: 1px 6px; vertical-align: 1px;
}

/* 工艺流程 */
.craft-flow { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.craft-step { display: grid; grid-template-columns: 88px 1fr; gap: 24px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.cs-num { font-size: 13px; letter-spacing: 0.14em; color: var(--ink-3); padding-top: 3px; }
.cs-body h3 { font-size: 16px; font-weight: 400; margin-bottom: 6px; }
.cs-body p { font-size: 14px; color: var(--ink-2); margin: 0; line-height: 1.7; max-width: 720px; }

@media (max-width: 768px) {
  .craft-step { grid-template-columns: 56px 1fr; gap: 16px; padding: 20px 0; }
  .mat-item { padding: 22px 20px; }
}

.spec-table { width: 100%; border-collapse: collapse; border: 1px solid var(--line); }
.spec-table th, .spec-table td { border: 1px solid var(--line); padding: 14px 18px; font-size: 15px; text-align: left; }
.spec-table th { width: 200px; background: var(--bg-soft); font-weight: 400; color: var(--ink-2); }

.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%; text-align: left; background: none; border: 0; padding: 20px 0;
  font-size: 16px; cursor: pointer; display: flex; justify-content: space-between; gap: 20px;
  font-family: inherit; color: inherit;
}
.faq-q .sign { color: var(--ink-3); font-size: 18px; line-height: 1; }
.faq-a { display: none; padding: 0 0 22px; color: var(--ink-2); font-size: 15px; max-width: 760px; }
.faq-item.is-open .faq-a { display: block; }

.prose { font-size: 16.5px; color: #26251f; max-width: 780px; }
.prose h2 { font-size: 21px; margin: 40px 0 14px; }
.prose h3 { font-size: 18px; margin: 28px 0 10px; }
.prose p { margin-bottom: 1.1em; }
.prose img { margin: 24px 0; }
.prose ul li { margin-bottom: 6px; }

/* ---------- 列表页通用 ---------- */
.list-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.list-item h3 { font-size: 17px; margin-bottom: 8px; }
.list-meta { font-size: 12px; color: var(--ink-3); letter-spacing: 0.08em; }
.list-sum { font-size: 14px; color: var(--ink-2); }

.layout-side { display: grid; grid-template-columns: 240px 1fr; gap: 56px; padding: 48px 0 96px; align-items: start; }
.side-nav { border-top: 1px solid var(--ink); }
.side-nav a {
  display: block; padding: 14px 0; border-bottom: 1px solid var(--line);
  font-size: 15px; color: var(--ink-2);
}
.side-nav a:hover, .side-nav a.is-active { color: var(--ink); }
.side-title { font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 16px; }

.cat-nav { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 36px; }
.cat-nav a {
  border: 1px solid var(--line); padding: 8px 16px; font-size: 14px; color: var(--ink-2);
}
.cat-nav a:hover, .cat-nav a.is-active { border-color: var(--ink); color: var(--ink); }

/* ---------- 文章详情 ---------- */
.article-head { padding: 48px 0 32px; border-bottom: 1px solid var(--line); margin-bottom: 40px; }
.article-head h1 { font-size: clamp(24px, 3vw, 38px); font-weight: 300; margin-bottom: 14px; }
.article-meta { font-size: 13px; color: var(--ink-3); }
.article-nav { display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); margin-top: 56px; padding-top: 24px; font-size: 14px; }
.article-nav a { color: var(--ink-2); }
.article-nav a:hover { color: var(--ink); }

/* 文章详情：正文居中并放大（单栏宽版，侧栏改为正文下方的横排相关内容） */
.article-page { max-width: 900px; margin: 0 auto; padding: 48px 0 88px; }
.article-page .article-head h1 { font-size: clamp(28px, 3.6vw, 44px); }
.article-cover { width: 100%; margin-bottom: 36px; }
.article-page .prose { max-width: none; font-size: 17.5px; line-height: 1.9; }
.article-page .prose h2 { font-size: 24px; margin: 44px 0 16px; }
.article-page .prose h3 { font-size: 20px; margin: 32px 0 12px; }
.article-page .prose img { margin: 32px 0; }
.article-related { margin-top: 64px; border-top: 1px solid var(--line); padding-top: 32px; }
.rel-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 0 32px; }
.rel-grid a {
  font-size: 15px; color: var(--ink-2); padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.rel-grid a:hover { color: var(--ink); }
.article-back { margin-top: 32px; }

/* ---------- 关于我们：页面内容组件 ---------- */
/* .prose 默认限制 780px，公司简介类长页放开来用整栏宽度 */
.prose-wide { max-width: none; }

/* 图文双栏：左图右文 / 左文右图 */
.media-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin: 44px 0;
}
.media-row.is-flip .media-row-text { order: -1; }
.media-row img { width: 100%; height: auto; display: block; margin: 0; }
.media-row h3 { margin: 0 0 12px; font-size: 19px; font-weight: 400; }
.media-row p { margin-bottom: 0.9em; }

/* 数据块横排 */
.facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin: 40px 0;
}
.facts > div { background: #fff; padding: 30px 22px; }
.facts b {
  display: block;
  font-size: 32px;
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin-bottom: 8px;
}
.facts b em { font-style: normal; font-size: 16px; color: var(--ink-2); margin-left: 4px; }
.facts span { font-size: 13.5px; color: var(--ink-2); }

/* 条目卡：编号 + 标题 + 说明（细线网格，无圆角无阴影） */
.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin: 36px 0;
}
.cards.is-3 { grid-template-columns: repeat(3, 1fr); }
.cards > div { background: #fff; padding: 28px 26px; }
.cards .cnum {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--ink-3);
  margin-bottom: 12px;
}
.cards h3 { font-size: 17px; font-weight: 400; margin: 0 0 10px; }
.cards p { font-size: 14.5px; color: var(--ink-2); margin: 0; line-height: 1.75; }

/* 发展历程时间轴 */
.timeline { margin: 40px 0; border-top: 1px solid var(--ink); }
.tl-item {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 32px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.tl-item .tl-year {
  font-size: 24px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.tl-item .tl-year small {
  display: block;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-top: 6px;
}
.tl-item h3 { font-size: 17px; font-weight: 400; margin: 0 0 8px; }
.tl-item p { font-size: 15px; color: var(--ink-2); margin: 0; line-height: 1.8; }

@media (max-width: 860px) {
  .media-row { grid-template-columns: 1fr; gap: 24px; margin: 32px 0; }
  .media-row.is-flip .media-row-text { order: 0; }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .facts b { font-size: 26px; }
  .cards, .cards.is-3 { grid-template-columns: 1fr; }
  .tl-item { grid-template-columns: 1fr; gap: 10px; padding: 20px 0; }
  .tl-item .tl-year { font-size: 20px; }
}

/* ---------- 表单 ---------- */
.form-row { margin-bottom: 22px; }
.form-row label { display: block; font-size: 13px; color: var(--ink-2); margin-bottom: 8px; }
.form-row input, .form-row textarea, .form-row select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line-2);
  font-family: inherit; font-size: 15px; background: #fff; color: var(--ink);
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus { outline: 0; border-color: var(--ink); }
.form-row textarea { min-height: 120px; resize: vertical; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 24px; }
.hp { position: absolute; left: -9999px; }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; padding: 56px 0 96px; }
.contact-info dl { margin: 0; }
.contact-info dt { font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 6px; }
.contact-info dd { margin: 0 0 24px; font-size: 16px; }

/* ---------- 分页 ---------- */
.pager { display: flex; gap: 8px; margin: 56px 0 0; flex-wrap: wrap; }
.pager-link {
  border: 1px solid var(--line); padding: 8px 14px; font-size: 14px; color: var(--ink-2);
}
.pager-link:hover { border-color: var(--ink); color: var(--ink); }
.pager-link.is-active { background: var(--ink); border-color: var(--ink); color: #fff; }

/* ---------- CTA 条 ---------- */
.cta { background: var(--bg-soft); padding: 72px 0; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta h2 { font-size: clamp(22px, 2.6vw, 32px); font-weight: 300; margin-bottom: 8px; }
.cta p { color: var(--ink-2); margin: 0; font-size: 15px; }

/* ---------- 页脚 ---------- */
.footer { border-top: 1px solid var(--line); padding: 64px 0 40px; background: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; }
.footer h4 { font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 18px; font-weight: 400; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 10px; font-size: 14px; color: var(--ink-2); }
.footer a:hover { color: var(--ink); }
.footer p { font-size: 14px; color: var(--ink-2); }
.footer-bottom {
  border-top: 1px solid var(--line); margin-top: 48px; padding-top: 24px;
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  font-size: 13px; color: var(--ink-3);
}

/* ---------- 提示 ---------- */
.flash { padding: 14px 18px; border: 1px solid var(--accent); background: var(--accent-soft); color: var(--accent); margin-bottom: 24px; font-size: 15px; }
.flash.err { border-color: #b4453a; background: #fbf0ef; color: #b4453a; }

.empty { padding: 80px 0; text-align: center; color: var(--ink-3); }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 32px; }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .list-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .pd-top { gap: 40px; }
}

@media (max-width: 860px) {
  .adv-grid { grid-template-columns: 1fr; column-gap: 0; }
  .adv { padding: 22px 0 26px; }
  .nav {
    display: none;
    position: absolute; top: 76px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; gap: 0; padding: 8px 24px 20px;
  }
  .nav.is-open { display: flex; }
  .nav-item { display: flex; flex-direction: column; align-items: stretch; }
  .nav-item > .nav-link { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav-item.has-sub::after { display: none; }
  /* 移动端无 hover，下拉改为直接展开的缩进列表 */
  .submenu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    min-width: 0;
    border: 0;
    padding: 2px 0 8px;
    background: transparent;
  }
  .submenu a { padding: 9px 0 9px 16px; font-size: 14px; }
  .submenu a:hover, .submenu a.is-current { background: transparent; }
  .nav-toggle { display: block; }
  .topbar-inner { position: relative; }
  .hero-inner { grid-template-columns: 1fr; padding: 36px 0; gap: 28px; }
  .hero-dots button { width: 48px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat { border-bottom: 1px solid var(--line); }
  .pd-top { grid-template-columns: 1fr; }
  .layout-side { grid-template-columns: 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .sec { padding: 56px 0; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: 1fr; }
  .pd-keyfacts { grid-template-columns: 1fr; }
  .spec-table th { width: 120px; }
  .form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .list-grid, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .pd-thumbs { grid-template-columns: repeat(4, 1fr); }
}