/* ==========================================================================
   绿帽社 - 站点全局样式
   Author: 绿帽社设计团队
   ========================================================================== */

/* ---------- 设计变量 ---------- */
:root {
  --green-950: #05261d;
  --green-900: #0b3b2c;
  --green-800: #0f4c38;
  --green-700: #12624a;
  --green-600: #18795a;
  --green-500: #1f9269;
  --green-400: #3bb187;
  --green-300: #6ccba6;
  --green-100: #dff3e9;
  --green-50: #effaf4;

  --sand: #f6f4ee;
  --sand-dark: #ece7dc;
  --ink: #14201c;
  --ink-soft: #34443e;
  --muted: #64776f;
  --line: rgba(20, 32, 28, 0.1);
  --white: #ffffff;
  --gold: #c9a25a;
  --gold-soft: #f2e6cd;

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --shadow-xs: 0 1px 2px rgba(11, 59, 44, 0.06);
  --shadow-sm: 0 6px 18px rgba(11, 59, 44, 0.08);
  --shadow-md: 0 18px 42px rgba(11, 59, 44, 0.12);
  --shadow-lg: 0 32px 70px rgba(5, 38, 29, 0.22);

  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", sans-serif;

  --container: 1180px;
  --header-h: 74px;
  --ease: cubic-bezier(0.22, 0.68, 0, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink);
  background-color: var(--sand);
  background-image: radial-gradient(circle at 12% 0%, rgba(31, 146, 105, 0.08), transparent 42%),
    radial-gradient(circle at 88% 8%, rgba(201, 162, 90, 0.1), transparent 38%);
  background-repeat: no-repeat;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s var(--ease), opacity 0.25s var(--ease);
}

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

button {
  font-family: inherit;
  cursor: pointer;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  line-height: 1.28;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

p {
  margin: 0;
}

::selection {
  background: var(--green-500);
  color: #fff;
}

:focus-visible {
  outline: 3px solid var(--green-400);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  width: min(var(--container), 92vw);
  margin-inline: auto;
}

.container-narrow {
  width: min(880px, 92vw);
  margin-inline: auto;
}

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease),
    background-color 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  color: #fff;
  box-shadow: 0 14px 28px rgba(18, 98, 74, 0.28);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--green-600), var(--green-800));
  box-shadow: 0 20px 38px rgba(18, 98, 74, 0.34);
}

.btn-gold {
  background: linear-gradient(135deg, #e2c489, var(--gold));
  color: #3a2a0c;
  box-shadow: 0 14px 28px rgba(201, 162, 90, 0.3);
}

.btn-gold:hover {
  box-shadow: 0 20px 40px rgba(201, 162, 90, 0.4);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.28);
  color: #fff;
  backdrop-filter: blur(6px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline {
  border-color: rgba(18, 98, 74, 0.3);
  color: var(--green-800);
  background: transparent;
}

.btn-outline:hover {
  background: var(--green-800);
  border-color: var(--green-800);
  color: #fff;
}

.btn-sm {
  padding: 10px 20px;
  font-size: 14px;
}

.btn-block {
  width: 100%;
}

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(9, 48, 36, 0.92);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: box-shadow 0.35s var(--ease), background-color 0.35s var(--ease);
}

.site-header.is-scrolled {
  background: rgba(7, 38, 29, 0.97);
  box-shadow: 0 10px 30px rgba(5, 38, 29, 0.28);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: var(--header-h);
  padding-block: 10px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: #fff;
  flex-shrink: 0;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, var(--green-400), var(--green-700));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18), 0 8px 18px rgba(0, 0, 0, 0.25);
}

.brand-mark svg {
  width: 24px;
  height: 24px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text strong {
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 1px;
}

.brand-text small {
  font-size: 10px;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.52);
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-list a {
  position: relative;
  display: inline-block;
  padding: 9px 15px;
  border-radius: 999px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.76);
  transition: color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 4px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--green-300);
  transform: translateX(-50%);
  transition: width 0.3s var(--ease);
}

.nav-list a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.nav-list a:hover::after {
  width: 18px;
}

.nav-list a[aria-current="page"] {
  color: #fff;
  background: rgba(108, 203, 166, 0.18);
}

.nav-list a[aria-current="page"]::after {
  width: 18px;
}

.nav-cta {
  padding: 11px 24px;
  font-size: 14px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  transition: background-color 0.25s var(--ease);
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.14);
}

.nav-toggle span {
  display: block;
  position: relative;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: background-color 0.2s linear;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.3s var(--ease), top 0.3s var(--ease);
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

.nav-toggle.is-active span {
  background: transparent;
}

.nav-toggle.is-active span::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle.is-active span::after {
  top: 0;
  transform: rotate(-45deg);
}

/* ---------- 首屏 Hero ---------- */
.hero {
  position: relative;
  padding: clamp(56px, 8vw, 104px) 0 clamp(64px, 9vw, 120px);
  background: radial-gradient(ellipse at 18% 8%, rgba(59, 177, 135, 0.32), transparent 55%),
    radial-gradient(ellipse at 82% 92%, rgba(201, 162, 90, 0.22), transparent 52%),
    linear-gradient(160deg, var(--green-950), var(--green-900) 55%, #0a4433);
  color: #fff;
  overflow: hidden;
}

.hero::before {
  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: 64px 64px;
  mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 78%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  right: -180px;
  top: -220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(108, 203, 166, 0.22), transparent 68%);
  filter: blur(10px);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: clamp(32px, 5vw, 72px);
}

.hero-copy {
  animation: heroRise 0.9s var(--ease) both;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid rgba(108, 203, 166, 0.35);
  background: rgba(108, 203, 166, 0.12);
  color: var(--green-300);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.14em;
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green-300);
  box-shadow: 0 0 0 4px rgba(108, 203, 166, 0.18);
}

.hero h1 {
  margin: 22px 0 20px;
  font-size: clamp(2.1rem, 4.3vw, 3.5rem);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: #fff;
}

.hero h1 em {
  font-style: normal;
  color: var(--green-300);
  position: relative;
  white-space: nowrap;
}

.hero h1 em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4px;
  height: 10px;
  border-radius: 6px;
  background: linear-gradient(90deg, rgba(108, 203, 166, 0.35), rgba(201, 162, 90, 0.28));
  z-index: -1;
}

.hero-lead {
  max-width: 560px;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.95;
  color: rgba(255, 255, 255, 0.76);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  margin-top: 44px;
  padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-trust li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero-trust strong {
  font-size: 22px;
  font-weight: 900;
  color: #fff;
  letter-spacing: 0.02em;
}

.hero-trust span {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.08em;
}

/* Hero 视觉 */
.hero-visual {
  position: relative;
  animation: heroRise 1s 0.15s var(--ease) both;
}

.hero-frame {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 5 / 5.4;
}

.hero-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 1.2s var(--ease);
}

.hero-frame:hover img {
  transform: scale(1.08);
}

.hero-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 38, 29, 0) 42%, rgba(5, 38, 29, 0.78) 100%);
}

.hero-caption {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 20px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(10px);
}

.hero-caption .avatar-stack {
  display: flex;
}

.hero-caption .avatar-stack img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.85);
  object-fit: cover;
}

.hero-caption .avatar-stack img + img {
  margin-left: -10px;
}

.hero-caption p {
  font-size: 12.5px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.9);
}

.hero-caption p strong {
  display: block;
  font-size: 13.5px;
  color: #fff;
}

.hero-card {
  position: absolute;
  right: -18px;
  top: 26px;
  z-index: 3;
  width: 210px;
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-md);
  animation: floatY 6s ease-in-out infinite;
}

.hero-card .card-label {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
  text-transform: uppercase;
}

.hero-card .card-value {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 6px 0 10px;
  font-size: 30px;
  font-weight: 900;
  color: var(--green-800);
  line-height: 1;
}

.hero-card .card-value small {
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
}

.hero-card .card-bar {
  height: 6px;
  border-radius: 999px;
  background: var(--green-100);
  overflow: hidden;
}

.hero-card .card-bar i {
  display: block;
  width: 78%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--green-500), var(--green-300));
  animation: growBar 1.6s 0.4s var(--ease) both;
}

.hero-badge {
  position: absolute;
  left: -22px;
  bottom: 92px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 999px;
  background: rgba(11, 59, 44, 0.86);
  border: 1px solid rgba(108, 203, 166, 0.4);
  color: #fff;
  font-size: 13px;
  backdrop-filter: blur(8px);
  animation: floatY 7s 0.6s ease-in-out infinite;
}

.hero-badge svg {
  width: 18px;
  height: 18px;
  color: var(--green-300);
}

/* ---------- 数据条 ---------- */
.stats {
  position: relative;
  z-index: 3;
  margin-top: -46px;
}

.stats-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.stats-item {
  background: rgba(255, 255, 255, 0.94);
  padding: 26px 22px;
  text-align: center;
  transition: background-color 0.3s var(--ease);
}

.stats-item:hover {
  background: #fff;
}

.stats-item strong {
  display: block;
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  font-weight: 900;
  color: var(--green-800);
  line-height: 1.15;
}

.stats-item span {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.06em;
}

/* ---------- 区块通用 ---------- */
.section {
  padding: clamp(60px, 8vw, 112px) 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.75), rgba(255, 255, 255, 0));
}

.section-dark {
  background: linear-gradient(150deg, var(--green-950), var(--green-900));
  color: #fff;
}

.section-head {
  max-width: 730px;
  margin: 0 auto clamp(38px, 5vw, 60px);
  text-align: center;
}

.section-head.left {
  margin-inline: 0;
  text-align: left;
}

.section-tag {
  display: inline-block;
  margin-bottom: 14px;
  padding: 5px 14px;
  border-radius: 999px;
  background: var(--green-100);
  color: var(--green-700);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.section-dark .section-tag {
  background: rgba(108, 203, 166, 0.16);
  color: var(--green-300);
}

.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 900;
}

.section-head p {
  margin-top: 16px;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.9;
}

.section-dark .section-head p {
  color: rgba(255, 255, 255, 0.65);
}

.section-dark .section-head h2 {
  color: #fff;
}

/* ---------- 特性卡片 ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 22px;
}

.feature-card {
  position: relative;
  padding: 32px 28px 30px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
}

.feature-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--green-500), var(--green-300), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease);
}

.feature-card:hover {
  transform: translateY(-7px);
  box-shadow: var(--shadow-md);
  border-color: rgba(31, 146, 105, 0.28);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  margin-bottom: 22px;
  border-radius: 16px;
  background: linear-gradient(145deg, var(--green-50), var(--green-100));
  color: var(--green-700);
  transition: transform 0.4s var(--ease), background 0.4s var(--ease);
}

.feature-icon svg {
  width: 26px;
  height: 26px;
}

.feature-card:hover .feature-icon {
  transform: rotate(-6deg) scale(1.06);
  background: linear-gradient(145deg, var(--green-500), var(--green-700));
  color: #fff;
}

.feature-card h3 {
  font-size: 18.5px;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.85;
}

.feature-index {
  position: absolute;
  right: 20px;
  top: 16px;
  font-size: 42px;
  font-weight: 900;
  line-height: 1;
  color: rgba(18, 98, 74, 0.07);
  letter-spacing: -0.04em;
}

/* ---------- 服务列表 ---------- */
.services-list {
  display: grid;
  gap: 18px;
}

.service-row {
  display: grid;
  grid-template-columns: 96px 1fr auto;
  align-items: center;
  gap: clamp(18px, 3vw, 40px);
  padding: clamp(24px, 3.4vw, 38px);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.66);
  border: 1px solid var(--line);
  transition: background-color 0.4s var(--ease), transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.service-row:hover {
  background: #fff;
  transform: translateX(6px);
  box-shadow: var(--shadow-sm);
}

.service-num {
  font-size: clamp(2rem, 3.4vw, 2.8rem);
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.4px rgba(18, 98, 74, 0.36);
  letter-spacing: -0.02em;
}

.service-body h3 {
  font-size: clamp(1.05rem, 1.7vw, 1.3rem);
  margin-bottom: 8px;
}

.service-body p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.85;
  max-width: 660px;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.service-tags li {
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--green-50);
  border: 1px solid rgba(31, 146, 105, 0.16);
  color: var(--green-700);
  font-size: 12px;
}

.service-arrow {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(18, 98, 74, 0.2);
  background: #fff;
  color: var(--green-700);
  transition: transform 0.35s var(--ease), background-color 0.35s var(--ease), color 0.35s var(--ease);
}

.service-row:hover .service-arrow {
  background: var(--green-700);
  color: #fff;
  transform: rotate(-45deg);
}

/* ---------- 故事卡片 ---------- */
.story-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 26px;
}

.story-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-xs);
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease);
}

.story-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.story-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.story-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.9s var(--ease);
}

.story-card:hover .story-media img {
  transform: scale(1.07);
}

.story-tag {
  position: absolute;
  left: 16px;
  top: 16px;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(5, 38, 29, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 12px;
  backdrop-filter: blur(6px);
}

.story-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 24px 24px 26px;
}

.story-body h3 {
  font-size: 17.5px;
  line-height: 1.55;
  margin-bottom: 10px;
}

.story-card:hover .story-body h3 {
  color: var(--green-700);
}

.story-body p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
  flex: 1;
}

.story-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-size: 12.5px;
  color: var(--muted);
}

.story-meta .read {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--green-700);
  font-weight: 600;
}

/* ---------- 引用 / 公约 ---------- */
.quote-band {
  position: relative;
  padding: clamp(48px, 6vw, 78px) clamp(24px, 5vw, 64px);
  border-radius: var(--radius-xl);
  background: linear-gradient(150deg, var(--green-900), var(--green-700));
  color: #fff;
  overflow: hidden;
}

.quote-band::before {
  content: "“";
  position: absolute;
  right: 40px;
  top: -30px;
  font-size: 200px;
  line-height: 1;
  color: rgba(255, 255, 255, 0.08);
  font-family: Georgia, serif;
}

.quote-band blockquote {
  position: relative;
  z-index: 2;
  margin: 0;
  max-width: 800px;
  font-size: clamp(1.15rem, 2.3vw, 1.65rem);
  font-weight: 500;
  line-height: 1.75;
}

.quote-band figcaption {
  position: relative;
  z-index: 2;
  margin-top: 22px;
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.1em;
}

/* ---------- FAQ ---------- */
.faq-list {
  display: grid;
  gap: 14px;
  max-width: 880px;
  margin-inline: auto;
}

.faq-item {
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.faq-item[open] {
  border-color: rgba(31, 146, 105, 0.34);
  box-shadow: var(--shadow-sm);
}

.faq-item summary {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 26px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  transition: color 0.25s var(--ease);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary:hover {
  color: var(--green-700);
}

.faq-item summary::after {
  content: "";
  flex-shrink: 0;
  width: 12px;
  height: 12px;
  border-right: 2px solid var(--green-500);
  border-bottom: 2px solid var(--green-500);
  transform: rotate(45deg);
  transition: transform 0.35s var(--ease);
}

.faq-item[open] summary::after {
  transform: rotate(-135deg);
}

.faq-answer {
  padding: 0 26px 24px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.9;
}

.faq-answer strong {
  color: var(--green-800);
}

/* ---------- CTA ---------- */
.cta {
  position: relative;
  padding: clamp(56px, 7vw, 92px) 0;
  background: linear-gradient(140deg, var(--green-950) 0%, var(--green-800) 48%, var(--green-700) 100%);
  overflow: hidden;
  color: #fff;
}

.cta::before,
.cta::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.cta::before {
  width: 460px;
  height: 460px;
  left: -160px;
  bottom: -240px;
  background: radial-gradient(circle, rgba(108, 203, 166, 0.26), transparent 70%);
}

.cta::after {
  width: 380px;
  height: 380px;
  right: -120px;
  top: -180px;
  background: radial-gradient(circle, rgba(201, 162, 90, 0.22), transparent 70%);
}

.cta-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: clamp(28px, 4vw, 60px);
}

.cta h2 {
  font-size: clamp(1.6rem, 3.2vw, 2.5rem);
  color: #fff;
  font-weight: 900;
  line-height: 1.35;
}

.cta p {
  margin-top: 16px;
  max-width: 620px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 15.5px;
  line-height: 1.9;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: flex-end;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: #06231a;
  color: rgba(255, 255, 255, 0.66);
  padding: clamp(48px, 6vw, 76px) 0 0;
  font-size: 14px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.1fr;
  gap: clamp(26px, 4vw, 56px);
  padding-bottom: clamp(34px, 4vw, 52px);
}

.footer-brand .brand {
  margin-bottom: 18px;
}

.footer-brand p {
  max-width: 330px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.56);
  font-size: 13.5px;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.footer-social a {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.72);
  transition: background-color 0.3s var(--ease), transform 0.3s var(--ease), color 0.3s var(--ease);
}

.footer-social a:hover {
  background: var(--green-600);
  color: #fff;
  transform: translateY(-3px);
}

.footer-social svg {
  width: 18px;
  height: 18px;
}

.footer-col h3 {
  margin-bottom: 16px;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.08em;
}

.footer-col ul {
  display: grid;
  gap: 10px;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 13.5px;
  transition: color 0.25s var(--ease), padding-left 0.25s var(--ease);
}

.footer-col a:hover {
  color: var(--green-300);
  padding-left: 4px;
}

.footer-contact li {
  display: flex;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
}

.footer-contact svg {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  margin-top: 5px;
  color: var(--green-300);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.44);
}

.footer-bottom p {
  line-height: 1.7;
}

.footer-bottom .footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-bottom a:hover {
  color: var(--green-300);
}

/* ---------- 内页 Hero ---------- */
.page-hero {
  position: relative;
  padding: clamp(46px, 6vw, 82px) 0 clamp(42px, 5vw, 66px);
  background: radial-gradient(ellipse at 82% 0%, rgba(108, 203, 166, 0.24), transparent 55%),
    linear-gradient(150deg, var(--green-950), var(--green-900) 70%, #0a4534);
  color: #fff;
  overflow: hidden;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 70% 10%, #000, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 70% 10%, #000, transparent 72%);
  pointer-events: none;
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 22px;
}

.breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb li + li::before {
  content: "/";
  color: rgba(255, 255, 255, 0.28);
}

.breadcrumb a:hover {
  color: var(--green-300);
}

.breadcrumb [aria-current="page"] {
  color: rgba(255, 255, 255, 0.86);
}

.page-hero h1 {
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.3;
  max-width: 860px;
}

.page-hero .page-lead {
  margin-top: 18px;
  max-width: 720px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 15.5px;
  line-height: 1.95;
}

.page-hero .hero-actions {
  margin-top: 30px;
}

/* ---------- 关于页 ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(28px, 5vw, 64px);
}

.about-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 4 / 3.4;
}

.about-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-media .float-note {
  position: absolute;
  right: 18px;
  bottom: 18px;
  padding: 14px 18px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-sm);
  font-size: 12.5px;
  color: var(--ink-soft);
  line-height: 1.6;
}

.about-media .float-note strong {
  display: block;
  font-size: 20px;
  color: var(--green-800);
  line-height: 1.2;
}

.about-copy h2 {
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
  margin-bottom: 18px;
}

.about-copy p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.95;
  margin-bottom: 16px;
}

.check-list {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 14.5px;
  color: var(--ink-soft);
}

.check-list svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 4px;
  color: var(--green-500);
}

/* 时间轴 */
.timeline {
  position: relative;
  display: grid;
  gap: 30px;
  max-width: 900px;
  margin-inline: auto;
  padding-left: 28px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--green-400), rgba(31, 146, 105, 0.1));
}

.timeline-item {
  position: relative;
  padding: 24px 26px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-xs);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.timeline-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 30px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--green-500);
  box-shadow: 0 0 0 4px rgba(31, 146, 105, 0.16);
}

.timeline-item time {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--green-600);
}

.timeline-item h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.timeline-item p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.85;
}

/* 团队 */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 24px;
}

.team-card {
  padding: 26px 24px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--line);
  text-align: center;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.team-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.team-card img {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 16px;
  border: 3px solid var(--green-100);
}

.team-card h3 {
  font-size: 16.5px;
}

.team-card .role {
  display: block;
  margin: 4px 0 10px;
  font-size: 12.5px;
  color: var(--green-600);
  letter-spacing: 0.08em;
}

.team-card p {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.8;
}

/* ---------- 服务 / 产品页 ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  align-items: stretch;
}

.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 34px 30px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-xs);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
}

.price-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}

.price-card.is-featured {
  background: linear-gradient(160deg, var(--green-900), var(--green-700));
  border-color: transparent;
  color: #fff;
  box-shadow: var(--shadow-lg);
}

.price-card.is-featured h3,
.price-card.is-featured .price {
  color: #fff;
}

.price-card.is-featured .price-note,
.price-card.is-featured .price-list li {
  color: rgba(255, 255, 255, 0.72);
}

.price-badge {
  position: absolute;
  right: 24px;
  top: 24px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--gold-soft);
  color: #6b4c14;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.price-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.price-desc {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.8;
  min-height: 48px;
}

.price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 20px 0 6px;
  font-size: 40px;
  font-weight: 900;
  color: var(--green-800);
  line-height: 1;
}

.price small {
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
}

.price-note {
  font-size: 12.5px;
  color: var(--muted);
}

.price-list {
  display: grid;
  gap: 11px;
  margin: 24px 0 28px;
  flex: 1;
}

.price-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.price-list svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  color: var(--green-500);
}

.price-card.is-featured .price-list svg {
  color: var(--green-300);
}

.price-card .btn {
  width: 100%;
}

/* ---------- 资讯列表 ---------- */
.news-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 34px;
}

.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-tabs button {
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  font-size: 13.5px;
  transition: all 0.25s var(--ease);
}

.filter-tabs button:hover {
  color: var(--green-700);
  border-color: rgba(31, 146, 105, 0.34);
}

.filter-tabs button.is-active {
  background: var(--green-700);
  border-color: var(--green-700);
  color: #fff;
}

.news-count {
  font-size: 13.5px;
  color: var(--muted);
}

.news-list {
  display: grid;
  gap: 22px;
}

.news-item {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-xs);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.news-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.news-item-media {
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.news-item-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.9s var(--ease);
}

.news-item:hover .news-item-media img {
  transform: scale(1.06);
}

.news-item-body {
  padding: 26px 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.news-item-body .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 12.5px;
  color: var(--muted);
  margin-bottom: 10px;
}

.news-item-body .meta .tag {
  color: var(--green-700);
  font-weight: 600;
}

.news-item-body h3 {
  font-size: 19px;
  line-height: 1.5;
  margin-bottom: 10px;
}

.news-item:hover h3 {
  color: var(--green-700);
}

.news-item-body p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 44px;
}

.pagination a,
.pagination span {
  display: grid;
  place-items: center;
  min-width: 42px;
  height: 42px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 14px;
  color: var(--muted);
  transition: all 0.25s var(--ease);
}

.pagination a:hover {
  border-color: var(--green-500);
  color: var(--green-700);
}

.pagination .is-current {
  background: var(--green-700);
  border-color: var(--green-700);
  color: #fff;
}

/* ---------- 文章详情 ---------- */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}

.article-main {
  padding: clamp(26px, 4vw, 46px);
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-xs);
}

.article-header .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 14px;
}

.article-header .meta .tag {
  padding: 3px 12px;
  border-radius: 999px;
  background: var(--green-50);
  color: var(--green-700);
  font-weight: 600;
}

.article-header h1 {
  font-size: clamp(1.5rem, 3vw, 2.15rem);
  line-height: 1.4;
  margin-bottom: 18px;
}

.article-header .article-lead {
  font-size: 16px;
  line-height: 1.95;
  color: var(--ink-soft);
  padding-left: 18px;
  border-left: 3px solid var(--green-400);
}

.article-cover {
  margin: 30px 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.article-cover img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.article-body h2 {
  font-size: clamp(1.2rem, 2.1vw, 1.5rem);
  margin: 38px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--green-500);
  line-height: 1.5;
}

.article-body h3 {
  font-size: 1.08rem;
  margin: 26px 0 12px;
}

.article-body p {
  color: var(--ink-soft);
  font-size: 15.5px;
  line-height: 2;
  margin-bottom: 18px;
}

.article-body ul {
  display: grid;
  gap: 10px;
  margin: 0 0 20px;
  padding-left: 4px;
}

.article-body ul li {
  position: relative;
  padding-left: 22px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.95;
}

.article-body ul li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 12px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green-400);
}

.article-tip {
  margin: 28px 0;
  padding: 22px 24px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--green-50), #fff);
  border: 1px dashed rgba(31, 146, 105, 0.36);
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ink-soft);
}

.article-tip strong {
  display: block;
  margin-bottom: 6px;
  color: var(--green-700);
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.article-tags span {
  padding: 5px 14px;
  border-radius: 999px;
  background: var(--sand);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 12.5px;
}

.article-share {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
  font-size: 13px;
  color: var(--muted);
}

.article-share a {
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 12.5px;
  color: var(--ink-soft);
  transition: all 0.25s var(--ease);
}

.article-share a:hover {
  background: var(--green-50);
  border-color: rgba(31, 146, 105, 0.3);
  color: var(--green-700);
}

/* 侧栏 */
.sidebar {
  display: grid;
  gap: 22px;
  position: sticky;
  top: calc(var(--header-h) + 20px);
}

.side-card {
  padding: 24px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-xs);
}

.side-card h2,
.side-card h3 {
  font-size: 15.5px;
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
  letter-spacing: 0.04em;
}

.side-list {
  display: grid;
  gap: 14px;
}

.side-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.side-list .rank {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border-radius: 7px;
  background: var(--green-50);
  color: var(--green-600);
  font-size: 12px;
  font-weight: 700;
}

.side-list li:nth-child(-n + 3) .rank {
  background: var(--green-600);
  color: #fff;
}

.side-list a {
  font-size: 13.8px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.side-list a:hover {
  color: var(--green-700);
}

.side-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.side-tags a {
  padding: 5px 13px;
  border-radius: 999px;
  background: var(--sand);
  border: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--muted);
  transition: all 0.25s var(--ease);
}

.side-tags a:hover {
  background: var(--green-700);
  border-color: var(--green-700);
  color: #fff;
}

.side-cta {
  background: linear-gradient(160deg, var(--green-900), var(--green-700));
  border: none;
  color: #fff;
}

.side-cta h2 {
  color: #fff;
  border-bottom-color: rgba(255, 255, 255, 0.16);
}

.side-cta p {
  font-size: 13.5px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 18px;
}

.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

.article-nav a {
  padding: 18px 20px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
  transition: all 0.3s var(--ease);
}

.article-nav a:hover {
  border-color: rgba(31, 146, 105, 0.34);
  box-shadow: var(--shadow-sm);
}

.article-nav span {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 4px;
}

.article-nav strong {
  display: block;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
}

/* ---------- 联系我们 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.contact-info {
  display: grid;
  gap: 18px;
}

.contact-card {
  display: flex;
  gap: 16px;
  padding: 22px 24px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-xs);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}

.contact-icon {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 13px;
  background: var(--green-50);
  color: var(--green-700);
}

.contact-icon svg {
  width: 22px;
  height: 22px;
}

.contact-card h3 {
  font-size: 15px;
  margin-bottom: 4px;
}

.contact-card p {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.8;
}

.contact-card p strong {
  color: var(--green-800);
  font-weight: 700;
}

.contact-form-wrap {
  padding: clamp(26px, 3.6vw, 40px);
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.contact-form-wrap h2 {
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  margin-bottom: 8px;
}

.contact-form-wrap > p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 26px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-field.full {
  grid-column: 1 / -1;
}

.form-field label {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-soft);
}

.form-field label span {
  color: #c0533f;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(20, 32, 28, 0.14);
  background: #fcfbf8;
  font-family: inherit;
  font-size: 14.5px;
  color: var(--ink);
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease), background-color 0.25s var(--ease);
}

.form-field textarea {
  min-height: 140px;
  resize: vertical;
  line-height: 1.8;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--green-500);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(31, 146, 105, 0.12);
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: #9aa8a2;
}

.form-note {
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.7;
}

.form-message {
  display: none;
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  background: var(--green-50);
  border: 1px solid rgba(31, 146, 105, 0.3);
  color: var(--green-800);
  font-size: 14px;
}

.form-message.is-visible {
  display: block;
  animation: fadeUp 0.4s var(--ease) both;
}

.contact-map {
  margin-top: 18px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-xs);
}

.contact-map img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

/* ---------- 其它通用块 ---------- */
.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.pill-row span {
  padding: 7px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.8);
  font-size: 12.5px;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.value-card {
  padding: 30px 28px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: background-color 0.35s var(--ease), transform 0.35s var(--ease);
}

.value-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-5px);
}

.value-card h3 {
  color: #fff;
  font-size: 17px;
  margin-bottom: 10px;
}

.value-card p {
  color: rgba(255, 255, 255, 0.66);
  font-size: 14px;
  line-height: 1.85;
}

.value-card .value-num {
  display: inline-block;
  margin-bottom: 14px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--green-300);
}

/* 回到顶部 */
.back-top {
  position: fixed;
  right: 22px;
  bottom: 26px;
  z-index: 150;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: none;
  background: var(--green-700);
  color: #fff;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s, background-color 0.3s;
}

.back-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-top:hover {
  background: var(--green-600);
}

.back-top svg {
  width: 20px;
  height: 20px;
}

/* ---------- 动效 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@keyframes heroRise {
  from {
    opacity: 0;
    transform: translateY(26px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes floatY {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

@keyframes growBar {
  from {
    width: 0;
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-visual {
    max-width: 560px;
    margin-inline: auto;
    width: 100%;
  }

  .hero-card {
    right: 8px;
  }

  .hero-badge {
    left: 8px;
  }

  .cta-inner {
    grid-template-columns: 1fr;
  }

  .cta-actions {
    justify-content: flex-start;
  }

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

  .article-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  }

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

@media (max-width: 900px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    gap: 0;
  }

  .nav-list {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 14px 4vw 20px;
    background: rgba(7, 38, 29, 0.99);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 18px 30px rgba(0, 0, 0, 0.28);
    transform: translateY(-16px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s;
  }

  .nav-list.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav-list a {
    padding: 13px 16px;
    border-radius: 10px;
    font-size: 15.5px;
  }

  .nav-list a::after {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .stats-inner {
    grid-template-columns: 1fr 1fr;
  }

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

  .news-item-media {
    aspect-ratio: 16 / 9;
  }

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

  .article-nav {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .hero {
    padding-top: 44px;
  }

  .hero-actions {
    margin-top: 26px;
  }

  .btn {
    padding: 13px 24px;
  }

  .hero-trust {
    gap: 10px 22px;
  }

  .hero-card {
    width: 176px;
    padding: 14px;
    right: 0;
    top: 12px;
  }

  .hero-badge {
    display: none;
  }

  .service-row {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .service-num {
    font-size: 2rem;
  }

  .service-arrow {
    display: none;
  }

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

  .footer-top {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .faq-item summary {
    padding: 18px 20px;
    font-size: 15px;
  }

  .faq-answer {
    padding: 0 20px 20px;
  }

  .article-main {
    padding: 22px 20px;
  }

  .filter-tabs button {
    padding: 7px 14px;
    font-size: 12.5px;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 15px;
  }

  .brand-text strong {
    font-size: 16px;
  }

  .brand-text small {
    font-size: 9px;
    letter-spacing: 0.16em;
  }

  .stats-item {
    padding: 20px 14px;
  }

  .story-body,
  .news-item-body {
    padding: 20px;
  }

  .hero-frame {
    aspect-ratio: 4 / 4.4;
  }
}

/* ---------- 无障碍 / 偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .site-header,
  .back-top,
  .cta,
  .site-footer {
    display: none;
  }

  body {
    background: #fff;
  }
}