/* =========================================================================
   PACKFY — 全站样式
   配色：深墨绿（专业 / 环保）+ 琥珀金（包装纸质感）+ 暖白底
   ========================================================================= */

:root {
  --ink: #0b3b32;
  --ink-2: #12574a;
  --ink-soft: #1b7a66;
  --gold: #c98a2c;
  --gold-lt: #efc77e;
  --bg: #faf8f5;
  --bg-alt: #f3efe9;
  --surface: #ffffff;
  --line: #e5dfd5;
  --line-soft: #efeae1;
  --text: #17211e;
  --muted: #5f6b67;
  --muted-2: #8a938f;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;

  --shadow-sm: 0 1px 2px rgba(11, 59, 50, 0.05), 0 2px 8px rgba(11, 59, 50, 0.05);
  --shadow-md: 0 4px 12px rgba(11, 59, 50, 0.07), 0 14px 34px rgba(11, 59, 50, 0.07);
  --shadow-lg: 0 20px 54px rgba(11, 59, 50, 0.15);

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue",
    Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --wrap: 1220px;
  --nav-h: 74px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 20px);
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 0.5em;
  line-height: 1.18;
  letter-spacing: -0.018em;
  font-weight: 700;
}

h1 {
  font-size: clamp(2.3rem, 4.6vw, 3.5rem);
}
h2 {
  font-size: clamp(1.75rem, 3vw, 2.45rem);
}
h3 {
  font-size: clamp(1.12rem, 1.7vw, 1.34rem);
}

p {
  margin: 0 0 1em;
}

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

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

/* ---------------------------------------------------------------- 布局 */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 92px 0;
}
.section--tight {
  padding: 64px 0;
}
.section--alt {
  background: var(--bg-alt);
}
.section--dark {
  background: linear-gradient(150deg, #0e4539 0%, #082e27 100%);
  color: #eaf1ee;
}
.section--dark h2,
.section--dark h3 {
  color: #fff;
}

.section-head {
  max-width: 720px;
  margin: 0 auto 52px;
  text-align: center;
}
.section-head--left {
  margin-left: 0;
  text-align: left;
}
.section-head p {
  color: var(--muted);
  font-size: 1.06rem;
  margin-bottom: 0;
}
.section--dark .section-head p {
  color: #a9c2ba;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 16px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}
.section--dark .eyebrow {
  color: var(--gold-lt);
}

/* ---------------------------------------------------------------- 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 14px 26px;
  border: 1.5px solid transparent;
  border-radius: 999px;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 650;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease,
    border-color 0.18s ease, color 0.18s ease;
  white-space: nowrap;
}
.btn:hover {
  transform: translateY(-2px);
}
.btn:active {
  transform: translateY(0);
}

.btn--primary {
  background: var(--gold);
  color: #241a08;
  box-shadow: 0 6px 18px rgba(201, 138, 44, 0.32);
}
.btn--primary:hover {
  background: #d99b38;
  box-shadow: 0 10px 26px rgba(201, 138, 44, 0.4);
}

.btn--dark {
  background: var(--ink);
  color: #fff;
}
.btn--dark:hover {
  background: var(--ink-2);
}

.btn--ghost {
  border-color: rgba(255, 255, 255, 0.34);
  color: #fff;
}
.btn--ghost:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.btn--outline {
  border-color: var(--line);
  color: var(--ink);
  background: var(--surface);
}
.btn--outline:hover {
  border-color: var(--ink);
}

.btn--sm {
  padding: 10px 18px;
  font-size: 0.86rem;
}
.btn--block {
  width: 100%;
}
.btn svg {
  width: 17px;
  height: 17px;
  flex: none;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 650;
  font-size: 0.94rem;
  color: var(--ink-2);
  border-bottom: 1.5px solid transparent;
  transition: border-color 0.18s ease, gap 0.18s ease;
}
.text-link:hover {
  border-color: var(--gold);
  gap: 10px;
}
.text-link svg {
  width: 15px;
  height: 15px;
}

/* ---------------------------------------------------------------- 导航 */
.nav {
  position: sticky;
  top: 0;
  z-index: 90;
  height: var(--nav-h);
  background: rgba(250, 248, 245, 0.9);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line-soft);
  transition: box-shadow 0.25s ease;
}
.nav.is-stuck {
  box-shadow: 0 2px 18px rgba(11, 59, 50, 0.07);
}
.nav__inner {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 30px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 800;
  font-size: 1.16rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  flex: none;
}
.brand__mark {
  width: 36px;
  height: 36px;
  flex: none;
}
.brand__sub {
  display: block;
  font-size: 0.63rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-top: -3px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.nav__link {
  position: relative;
  padding: 9px 14px;
  border-radius: 999px;
  font-size: 0.94rem;
  font-weight: 550;
  color: var(--text);
  transition: background 0.16s ease, color 0.16s ease;
}
.nav__link:hover {
  background: rgba(11, 59, 50, 0.06);
}
.nav__link.is-active {
  color: var(--ink);
  font-weight: 700;
}
.nav__link.is-active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 3px;
  transform: translateX(-50%);
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: var(--gold);
}
.nav__cta {
  margin-left: 12px;
}

.nav__toggle {
  display: none;
  margin-left: auto;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  cursor: pointer;
}
.nav__toggle svg {
  width: 20px;
  height: 20px;
}

/* 下拉菜单 */
.dropdown {
  position: relative;
}
.dropdown__panel {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  min-width: 300px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
}
.dropdown:hover .dropdown__panel,
.dropdown:focus-within .dropdown__panel {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.dropdown__item {
  display: flex;
  gap: 12px;
  padding: 11px 12px;
  border-radius: 10px;
  transition: background 0.15s ease;
}
.dropdown__item:hover {
  background: var(--bg-alt);
}
.dropdown__thumb {
  width: 46px;
  height: 46px;
  flex: none;
  border-radius: 9px;
  background: var(--bg-alt);
  overflow: hidden;
}
.dropdown__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.dropdown__name {
  font-weight: 650;
  font-size: 0.92rem;
  line-height: 1.3;
}
.dropdown__desc {
  font-size: 0.79rem;
  color: var(--muted);
  line-height: 1.4;
  margin-top: 2px;
}

/* 移动端抽屉 */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--bg);
  padding: 22px 24px 40px;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}
.mobile-menu.is-open {
  transform: translateX(0);
}
.mobile-menu__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}
.mobile-menu__close {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  cursor: pointer;
}
.mobile-menu__close svg {
  width: 20px;
  height: 20px;
}
.mobile-menu a {
  display: block;
  padding: 15px 4px;
  font-size: 1.12rem;
  font-weight: 600;
  border-bottom: 1px solid var(--line-soft);
}
.mobile-menu .btn {
  margin-top: 26px;
}

/* ---------------------------------------------------------------- Hero */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(155deg, #114a3e 0%, #0a3229 52%, #072520 100%);
  color: #fff;
  padding: 78px 0 84px;
}
.hero::before {
  content: "";
  position: absolute;
  top: -180px;
  right: -140px;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 138, 44, 0.22) 0%, transparent 68%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: radial-gradient(ellipse at 70% 40%, #000 5%, transparent 72%);
  pointer-events: none;
}
.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 62px;
  align-items: center;
}
.hero h1 {
  color: #fff;
  margin-bottom: 20px;
}
.hero h1 em {
  font-style: normal;
  color: var(--gold-lt);
}
.hero__sub {
  font-size: 1.11rem;
  color: #b9cdc6;
  max-width: 560px;
  margin-bottom: 32px;
}
.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 46px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  max-width: 620px;
}
.hero__stat b {
  display: block;
  font-size: 1.5rem;
  font-weight: 750;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.hero__stat span {
  font-size: 0.79rem;
  color: #93aea6;
  line-height: 1.4;
}

.hero__visual {
  position: relative;
}
.hero__card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 14px;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.34);
}
.hero__card img {
  width: 100%;
  border-radius: 14px;
}
.hero__badge {
  position: absolute;
  left: -22px;
  bottom: 34px;
  display: flex;
  align-items: center;
  gap: 11px;
  background: #fff;
  color: var(--ink);
  padding: 13px 19px;
  border-radius: 999px;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.24);
  font-size: 0.86rem;
  font-weight: 650;
}
.hero__badge svg {
  width: 20px;
  height: 20px;
  color: var(--gold);
}

/* 信任条 */
.trustbar {
  background: var(--ink);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 17px 0;
}
.trustbar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px 34px;
  color: #9fb8b0;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.trustbar__item {
  display: flex;
  align-items: center;
  gap: 8px;
}
.trustbar__item svg {
  width: 15px;
  height: 15px;
  color: var(--gold);
  flex: none;
}

/* ---------------------------------------------------------------- 卡片网格 */
.grid {
  display: grid;
  gap: 26px;
}
.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}
.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}
.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--line);
}
.card__media {
  aspect-ratio: 1 / 1;
  background: var(--bg-alt);
  overflow: hidden;
}
.card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.card:hover .card__media img {
  transform: scale(1.045);
}
.card__body {
  padding: 24px 26px 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.card__body p {
  color: var(--muted);
  font-size: 0.94rem;
  margin-bottom: 18px;
}
.card__body .text-link {
  margin-top: auto;
}

/* 产品线大卡 */
.cat-card .card__body {
  padding: 28px 30px 32px;
}
.cat-card h3 {
  margin-bottom: 8px;
}
.cat-card__tag {
  font-size: 0.86rem;
  color: var(--ink-soft);
  font-weight: 600;
  margin-bottom: 12px;
}
.cat-card ul {
  display: grid;
  gap: 9px;
  margin: 4px 0 22px;
}
.cat-card li {
  display: flex;
  gap: 10px;
  font-size: 0.89rem;
  color: var(--muted);
  line-height: 1.5;
}
.cat-card li svg {
  width: 15px;
  height: 15px;
  flex: none;
  margin-top: 4px;
  color: var(--gold);
}

/* 优势卡 */
.adv {
  padding: 30px 28px;
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.adv:hover {
  border-color: var(--line);
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}
.adv__icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  background: rgba(11, 59, 50, 0.06);
  color: var(--ink);
  margin-bottom: 18px;
}
.adv__icon svg {
  width: 24px;
  height: 24px;
}
.adv h3 {
  font-size: 1.08rem;
  margin-bottom: 9px;
}
.adv p {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0;
  line-height: 1.6;
}

/* ---------------------------------------------------------------- 流程 */
.process {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 0 22px;
}
.step:first-child {
  padding-left: 0;
}
.step:last-child {
  padding-right: 0;
}
.step__num {
  display: inline-grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: var(--ink);
  color: var(--gold-lt);
  font-size: 1.02rem;
  font-weight: 750;
  letter-spacing: 0.02em;
  margin-bottom: 20px;
}
.step h3 {
  font-size: 1.04rem;
  margin-bottom: 9px;
}
.step p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 14px;
}
.step__out {
  display: flex;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink-soft);
  line-height: 1.45;
  padding-top: 13px;
  border-top: 1px dashed var(--line);
}
.step__out svg {
  width: 14px;
  height: 14px;
  flex: none;
  margin-top: 3px;
  color: var(--gold);
}
.step::after {
  content: "";
  position: absolute;
  top: 26px;
  right: 6px;
  width: 18px;
  height: 2px;
  background: var(--line);
  border-radius: 2px;
}
.step:last-child::after {
  display: none;
}

/* 工艺卡 */
.finish {
  display: flex;
  gap: 18px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.finish:hover {
  border-color: var(--line);
  transform: translateY(-3px);
}
.finish__img {
  width: 82px;
  height: 82px;
  flex: none;
  border-radius: 12px;
  overflow: hidden;
  background: var(--bg-alt);
}
.finish__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.finish h4 {
  font-size: 1rem;
  margin: 2px 0 6px;
}
.finish p {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0;
  line-height: 1.55;
}
.finish__zh {
  font-size: 0.72rem;
  color: var(--muted-2);
  font-weight: 600;
  letter-spacing: 0.03em;
}

/* ---------------------------------------------------------------- 认证 */
.cert {
  display: flex;
  gap: 15px;
  padding: 22px 24px;
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}
.cert__code {
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  color: var(--ink);
  background: rgba(11, 59, 50, 0.07);
  border-radius: 7px;
  padding: 5px 10px;
  height: fit-content;
  white-space: nowrap;
  flex: none;
}
.cert h4 {
  font-size: 0.98rem;
  margin: 0 0 5px;
}
.cert p {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0;
  line-height: 1.55;
}

/* ---------------------------------------------------------------- 行业标签 */
.industry {
  padding: 24px 26px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--surface);
  transition: background 0.2s ease, border-color 0.2s ease;
}
.industry:hover {
  background: var(--bg-alt);
}
.industry h4 {
  font-size: 1rem;
  margin: 0 0 6px;
}
.industry p {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0;
  line-height: 1.5;
}

/* ---------------------------------------------------------------- 评价 */
.quote {
  padding: 30px 30px 28px;
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
}
.quote__mark {
  font-size: 2.6rem;
  line-height: 0.7;
  color: var(--gold);
  font-weight: 800;
  margin-bottom: 16px;
}
.quote p {
  font-size: 1rem;
  line-height: 1.68;
  color: var(--text);
  margin-bottom: 22px;
}
.quote__who {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
}
.quote__who b {
  display: block;
  font-size: 0.92rem;
}
.quote__who span {
  font-size: 0.83rem;
  color: var(--muted);
}

/* ---------------------------------------------------------------- FAQ */
.faq {
  max-width: 880px;
  margin: 0 auto;
  border-top: 1px solid var(--line);
}
.faq__item {
  border-bottom: 1px solid var(--line);
}
.faq__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 4px;
  background: none;
  border: 0;
  font: inherit;
  font-size: 1.04rem;
  font-weight: 650;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: color 0.18s ease;
}
.faq__q:hover {
  color: var(--ink-2);
}
.faq__icon {
  width: 30px;
  height: 30px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}
.faq__icon svg {
  width: 14px;
  height: 14px;
}
.faq__item.is-open .faq__icon {
  transform: rotate(45deg);
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}
.faq__a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease;
}
.faq__item.is-open .faq__a {
  grid-template-rows: 1fr;
}
.faq__a > div {
  overflow: hidden;
}
.faq__a p {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.72;
  padding: 0 60px 26px 4px;
  margin: 0;
}

/* ---------------------------------------------------------------- 表单 */
.form {
  display: grid;
  gap: 18px;
}
.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.field label {
  font-size: 0.84rem;
  font-weight: 650;
  color: var(--text);
}
.field label .req {
  color: var(--gold);
}
.field input,
.field select,
.field textarea {
  font: inherit;
  font-size: 0.95rem;
  padding: 13px 15px;
  border: 1.5px solid var(--line);
  border-radius: 11px;
  background: var(--surface);
  color: var(--text);
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
  width: 100%;
}
.field textarea {
  min-height: 132px;
  resize: vertical;
  line-height: 1.6;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--ink-soft);
  box-shadow: 0 0 0 4px rgba(27, 122, 102, 0.12);
}
.field input::placeholder,
.field textarea::placeholder {
  color: #adb5b1;
}
.field--full {
  grid-column: 1 / -1;
}
.field__hint {
  font-size: 0.79rem;
  color: var(--muted-2);
}

.form__note {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.55;
}

.form-status {
  padding: 15px 18px;
  border-radius: 11px;
  font-size: 0.9rem;
  font-weight: 600;
  display: none;
}
.form-status.is-ok {
  display: block;
  background: rgba(27, 122, 102, 0.1);
  color: #0d5748;
  border: 1px solid rgba(27, 122, 102, 0.24);
}
.form-status.is-err {
  display: block;
  background: rgba(180, 60, 40, 0.08);
  color: #97301f;
  border: 1px solid rgba(180, 60, 40, 0.22);
}

/* CTA 区块 */
.cta-box {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 54px;
  align-items: start;
}
.cta-box__aside h2 {
  color: #fff;
  margin-bottom: 16px;
}
.cta-box__aside p {
  color: #a9c2ba;
  font-size: 1.02rem;
}
.cta-list {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}
.cta-list li {
  display: flex;
  gap: 11px;
  font-size: 0.93rem;
  color: #cfe0da;
}
.cta-list svg {
  width: 17px;
  height: 17px;
  flex: none;
  margin-top: 3px;
  color: var(--gold);
}
.form-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 34px;
  box-shadow: var(--shadow-lg);
}
.form-card h3 {
  margin-bottom: 6px;
}
.form-card > p {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 24px;
}

/* ---------------------------------------------------------------- 页脚 */
.footer {
  background: #08281f;
  color: #9db5ad;
  padding: 66px 0 0;
  font-size: 0.92rem;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 44px;
  padding-bottom: 52px;
}
.footer .brand {
  color: #fff;
  margin-bottom: 18px;
}
.footer__blurb {
  max-width: 330px;
  line-height: 1.7;
  font-size: 0.89rem;
  margin-bottom: 22px;
}
.footer h4 {
  color: #fff;
  font-size: 0.83rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 18px;
  font-weight: 700;
}
.footer__links {
  display: grid;
  gap: 11px;
}
.footer__links a {
  font-size: 0.9rem;
  transition: color 0.16s ease;
}
.footer__links a:hover {
  color: var(--gold-lt);
}
.footer__contact {
  display: grid;
  gap: 12px;
  font-size: 0.89rem;
}
.footer__contact div {
  display: flex;
  gap: 10px;
  line-height: 1.55;
}
.footer__contact svg {
  width: 16px;
  height: 16px;
  flex: none;
  margin-top: 3px;
  color: var(--gold);
}
.footer__contact a:hover {
  color: var(--gold-lt);
}
.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  align-items: center;
  justify-content: space-between;
  font-size: 0.83rem;
  color: #7d9790;
}
.footer__bottom a:hover {
  color: var(--gold-lt);
}

/* ---------------------------------------------------------------- 内页头 */
.page-head {
  background: linear-gradient(160deg, #114a3e 0%, #0a3229 100%);
  color: #fff;
  padding: 66px 0 62px;
  position: relative;
  overflow: hidden;
}
.page-head::after {
  content: "";
  position: absolute;
  top: -120px;
  right: -80px;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 138, 44, 0.2) 0%, transparent 70%);
}
.page-head__inner {
  position: relative;
  z-index: 1;
}
.page-head h1 {
  color: #fff;
  margin-bottom: 14px;
  max-width: 780px;
}
.page-head p {
  color: #b0c7c0;
  font-size: 1.06rem;
  max-width: 680px;
  margin: 0;
}
.breadcrumb {
  display: flex;
  gap: 9px;
  align-items: center;
  font-size: 0.82rem;
  color: #8facA5;
  margin-bottom: 18px;
}
.breadcrumb a:hover {
  color: var(--gold-lt);
}
.breadcrumb span {
  opacity: 0.5;
}

/* ---------------------------------------------------------------- 产品筛选 */
.filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 44px;
}
.filter__btn {
  padding: 11px 21px;
  border-radius: 999px;
  border: 1.5px solid var(--line);
  background: var(--surface);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.18s ease;
}
.filter__btn:hover {
  border-color: var(--ink-soft);
  color: var(--ink);
}
.filter__btn.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}
.filter__count {
  font-size: 0.78rem;
  opacity: 0.65;
  margin-left: 6px;
}

.product-card__cat {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 9px;
}
.product-card__moq {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.79rem;
  font-weight: 650;
  color: var(--muted);
  background: var(--bg-alt);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
  width: fit-content;
}
.product-card__moq svg {
  width: 13px;
  height: 13px;
  color: var(--gold);
}

/* ---------------------------------------------------------------- 产品详情 */
.detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 58px;
  align-items: start;
}
.detail__gallery {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
}
.detail__main {
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.detail__main img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}
.detail__thumbs {
  display: flex;
  gap: 12px;
  margin-top: 14px;
}
.detail__thumb {
  width: 88px;
  height: 88px;
  border-radius: 12px;
  overflow: hidden;
  border: 2px solid transparent;
  background: var(--bg-alt);
  cursor: pointer;
  padding: 0;
  transition: border-color 0.18s ease;
}
.detail__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.detail__thumb.is-active {
  border-color: var(--ink);
}

.detail__cat {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 12px;
}
.detail h1 {
  font-size: clamp(1.85rem, 3.2vw, 2.55rem);
  margin-bottom: 8px;
}
.detail__zh {
  font-size: 0.95rem;
  color: var(--muted-2);
  font-weight: 600;
  margin-bottom: 20px;
}
.detail__tagline {
  font-size: 1.1rem;
  color: var(--ink-2);
  font-weight: 600;
  margin-bottom: 20px;
  line-height: 1.5;
}
.detail__desc {
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.72;
  margin-bottom: 28px;
}

.kv {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 30px;
}
.kv__item {
  background: var(--bg-alt);
  border-radius: 12px;
  padding: 15px 17px;
}
.kv__k {
  font-size: 0.74rem;
  font-weight: 650;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: 5px;
}
.kv__v {
  font-size: 0.97rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.35;
}

.detail__block {
  margin-bottom: 30px;
}
.detail__block h3 {
  font-size: 0.98rem;
  margin-bottom: 14px;
  padding-bottom: 11px;
  border-bottom: 1px solid var(--line-soft);
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}
.chip {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 15px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text);
}
.spec-table {
  display: grid;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}
.spec-table__row {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 18px;
  padding: 13px 18px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--line-soft);
}
.spec-table__row:last-child {
  border-bottom: 0;
}
.spec-table__k {
  color: var(--muted);
  font-weight: 600;
}
.spec-table__v {
  color: var(--text);
}
.tick-list {
  display: grid;
  gap: 11px;
}
.tick-list li {
  display: flex;
  gap: 11px;
  font-size: 0.93rem;
  color: var(--muted);
  line-height: 1.6;
}
.tick-list svg {
  width: 17px;
  height: 17px;
  flex: none;
  margin-top: 4px;
  color: var(--gold);
}

.detail__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  padding: 24px;
  background: var(--bg-alt);
  border-radius: var(--radius);
  margin-top: 4px;
}
.detail__cta .btn {
  flex: 1 1 auto;
}

/* ---------------------------------------------------------------- 关于页 */
.about-lead {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 58px;
  align-items: center;
}
.about-lead__img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-sm);
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat-grid > div {
  background: var(--surface);
  padding: 26px 22px;
  text-align: center;
}
.stat-grid b {
  display: block;
  font-size: 1.72rem;
  font-weight: 750;
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.stat-grid span {
  font-size: 0.82rem;
  color: var(--muted);
}

.timeline {
  position: relative;
  display: grid;
  gap: 0;
  max-width: 780px;
  margin: 0 auto;
}
.timeline__item {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 26px;
  padding-bottom: 34px;
  position: relative;
}
.timeline__item::before {
  content: "";
  position: absolute;
  left: 74px;
  top: 30px;
  bottom: -4px;
  width: 1px;
  background: var(--line);
}
.timeline__item:last-child::before {
  display: none;
}
.timeline__year {
  font-size: 1rem;
  font-weight: 750;
  color: var(--ink);
  padding-top: 3px;
  text-align: right;
}
.timeline__dot {
  position: absolute;
  left: 70px;
  top: 9px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px var(--bg);
}
.timeline__item p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.62;
}

/* ---------------------------------------------------------------- 联系页 */
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 52px;
  align-items: start;
}
.contact-item {
  display: flex;
  gap: 15px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-soft);
}
.contact-item:last-child {
  border-bottom: 0;
}
.contact-item__icon {
  width: 44px;
  height: 44px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(11, 59, 50, 0.06);
  color: var(--ink);
}
.contact-item__icon svg {
  width: 21px;
  height: 21px;
}
.contact-item h4 {
  font-size: 0.88rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin: 0 0 4px;
  font-weight: 700;
}
.contact-item p {
  margin: 0;
  font-size: 0.97rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.55;
}
.contact-item a:hover {
  color: var(--ink-soft);
}

/* ---------------------------------------------------------------- 动效 */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html {
    scroll-behavior: auto;
  }
  .btn:hover,
  .card:hover,
  .adv:hover,
  .finish:hover {
    transform: none;
  }
}

/* ---------------------------------------------------------------- 骨架屏 */
.skeleton-card {
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.skeleton-card__media {
  aspect-ratio: 1 / 1;
  background: linear-gradient(100deg, #f3efe9 30%, #eae5dd 50%, #f3efe9 70%);
  background-size: 220% 100%;
  animation: shimmer 1.4s infinite linear;
}
.skeleton-card__body {
  padding: 24px 26px 28px;
}
.skeleton-line {
  height: 12px;
  border-radius: 6px;
  background: linear-gradient(100deg, #f3efe9 30%, #eae5dd 50%, #f3efe9 70%);
  background-size: 220% 100%;
  animation: shimmer 1.4s infinite linear;
  margin-bottom: 11px;
}
.skeleton-line--60 {
  width: 60%;
}
.skeleton-line--40 {
  width: 40%;
}
@keyframes shimmer {
  from {
    background-position: 120% 0;
  }
  to {
    background-position: -120% 0;
  }
}

/* ---------------------------------------------------------------- 响应式 */
@media (max-width: 1080px) {
  .hero__grid {
    grid-template-columns: 1fr;
    gap: 46px;
  }
  .hero__visual {
    max-width: 520px;
  }
  .hero__badge {
    left: 12px;
  }
  .process {
    grid-template-columns: repeat(2, 1fr);
    gap: 34px 0;
  }
  .step::after {
    display: none;
  }
  .step:nth-child(5) {
    grid-column: 1 / -1;
  }
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 38px;
  }
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 940px) {
  .nav__links,
  .nav__cta {
    display: none;
  }
  .nav__toggle {
    display: flex;
  }
  .detail,
  .cta-box,
  .about-lead,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .detail__gallery {
    position: static;
  }
  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  body {
    font-size: 16px;
  }
  .section {
    padding: 62px 0;
  }
  .section--tight {
    padding: 48px 0;
  }
  .wrap {
    padding: 0 18px;
  }
  .hero {
    padding: 52px 0 62px;
  }
  .hero__stats {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .grid,
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }
  .form__row {
    grid-template-columns: 1fr;
  }
  .kv {
    grid-template-columns: 1fr 1fr;
  }
  .spec-table__row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .spec-table__k {
    font-size: 0.8rem;
  }
  .process {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .step {
    padding: 0 0 30px;
  }
  .stat-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .timeline__item {
    grid-template-columns: 64px 1fr;
    gap: 20px;
  }
  .timeline__item::before {
    left: 66px;
  }
  .timeline__dot {
    left: 62px;
  }
  .form-card {
    padding: 24px 20px;
  }
  .faq__a p {
    padding-right: 20px;
  }
  .section-head {
    margin-bottom: 36px;
  }
  .hero__badge {
    position: static;
    margin-top: 16px;
    justify-content: center;
  }
}