/* ===== 南粤精选荟 企业官网 · 共享样式 ===== */
:root {
  --green-900: #16301f;   /* 深林绿 主色 */
  --green-700: #244a33;
  --green-500: #3c6b4a;
  --gold-500: #c9a24b;    /* 暖金 点缀 */
  --gold-600: #b0883a;
  --cream-50: #faf8f2;    /* 米白 背景 */
  --cream-100: #f3efe4;
  --ink-900: #1c241e;     /* 主文字 */
  --ink-500: #5a635a;     /* 次文字 */
  --line: #e3ddcf;
  --white: #ffffff;
  --maxw: 1180px;
  --radius: 14px;
  --shadow-sm: 0 4px 18px rgba(22, 48, 31, .06);
  --shadow-md: 0 18px 48px rgba(22, 48, 31, .12);
  --ease: cubic-bezier(.22, .61, .36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: var(--ink-900);
  background-color: var(--cream-50);
  /* 极淡竹纹/山纹纹理：叠在米白底色上，覆盖区块（深绿/白卡）会自然遮住，仅透出在留白处 */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='150' height='150' viewBox='0 0 150 150'%3E%3Cg fill='none' stroke='%2316301f' stroke-width='1' opacity='0.4'%3E%3Cpath d='M28 118 q12 -26 0 -52'/%3E%3Cpath d='M28 92 q-9 -5 -16 -3'/%3E%3Cpath d='M28 80 q9 -5 16 -3'/%3E%3Cpath d='M28 70 q-7 -4 -13 -3'/%3E%3Cpath d='M28 62 q7 -4 13 -3'/%3E%3Cpath d='M92 138 q12 -26 0 -52'/%3E%3Cpath d='M92 112 q-9 -5 -16 -3'/%3E%3Cpath d='M92 100 q9 -5 16 -3'/%3E%3Cpath d='M92 90 q-7 -4 -13 -3'/%3E%3Cpath d='M92 82 q7 -4 13 -3'/%3E%3C/g%3E%3C/svg%3E");
  background-repeat: repeat;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;                /* 防止手机端横向滚动 */
  -webkit-tap-highlight-color: transparent;
}

h1, h2, h3, h4, .serif {
  font-family: "Noto Serif SC", "Songti SC", "SimSun", serif;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--green-900);
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; }

/* ===== 顶部导航 ===== */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  background: rgba(250, 248, 242, .82);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.site-header.scrolled { border-color: var(--line); box-shadow: var(--shadow-sm); }
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 74px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand .logo {
  width: 38px; height: 38px; border-radius: 10px;
  object-fit: contain;
  display: block;
  background: transparent;
}
.brand .name { font-family: "Noto Serif SC", serif; font-size: 19px; color: var(--green-900); letter-spacing: .06em; }
.brand .name small { display: block; font-family: "Noto Sans SC", sans-serif; font-size: 10px; letter-spacing: .28em; color: var(--gold-600); font-weight: 400; }

.nav-links { display: flex; align-items: center; gap: 38px; list-style: none; }
.nav-links a { font-size: 15px; color: var(--ink-900); position: relative; padding: 6px 0; transition: color .25s; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--gold-500); transition: width .3s var(--ease);
}
.nav-links a:hover, .nav-links a.active { color: var(--green-700); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-cta {
  background: linear-gradient(135deg, var(--gold-600), var(--gold-500));
  color: #2a1d05; font-weight: 700;
  padding: 9px 20px; border-radius: 999px; font-size: 14px; transition: all .25s;
  box-shadow: 0 6px 18px rgba(201,162,75,.3); white-space: nowrap;
}
.nav-cta:hover { background: linear-gradient(135deg, var(--gold-500), var(--gold-600)); transform: translateY(-1px); box-shadow: 0 10px 24px rgba(201,162,75,.42); color: #2a1d05; }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; width: 30px; height: 22px; position: relative; }
.nav-toggle span { position: absolute; left: 0; height: 2px; width: 100%; background: var(--green-900); transition: .3s var(--ease); }
.nav-toggle span:nth-child(1) { top: 0; }
.nav-toggle span:nth-child(2) { top: 10px; }
.nav-toggle span:nth-child(3) { top: 20px; }
.nav-toggle.open span:nth-child(1) { top: 10px; transform: rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { top: 10px; transform: rotate(-45deg); }

/* ===== 通用区块 ===== */
section { padding: 96px 0; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.section-head .eyebrow {
  display: inline-block; font-size: 13px; letter-spacing: .32em; color: var(--gold-600);
  text-transform: uppercase; margin-bottom: 14px;
}
.section-head h2 { font-size: 34px; line-height: 1.3; position: relative; }
.section-head h2::after {
  content: ""; display: block; width: 54px; height: 3px; margin: 18px auto 0; border-radius: 3px;
  background: linear-gradient(90deg, var(--gold-600), var(--gold-500), var(--gold-600));
}
.section-head p { color: var(--ink-500); margin-top: 20px; font-size: 16px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 30px; border-radius: 999px; font-size: 15px; cursor: pointer;
  transition: all .28s var(--ease); border: 1px solid transparent;
  position: relative; overflow: hidden;
}
.btn-primary { background: linear-gradient(135deg, var(--green-700), var(--green-900)); color: #fff; }
.btn-primary:hover { background: linear-gradient(135deg, var(--green-900), #0e2015); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-primary::after {
  content: ""; position: absolute; top: 0; left: -130%; width: 60%; height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,.3), transparent);
  transform: skewX(-20deg); transition: left .65s ease;
}
.btn-primary:hover::after { left: 140%; }
.btn-ghost { border-color: var(--green-700); color: var(--green-700); background: transparent; }
.btn-ghost:hover { background: var(--green-700); color: #fff; transform: translateY(-2px); }

/* ===== 首页 Hero ===== */
.hero {
  position: relative; min-height: 100vh; display: grid; align-items: center;
  color: #fff; overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; transform: scale(1.05); }
.hero-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(105deg, rgba(15,30,20,.82) 0%, rgba(15,30,20,.45) 55%, rgba(15,30,20,.2) 100%); }
.hero .container { position: relative; z-index: 2; padding-top: 90px; }
.hero .eyebrow { color: var(--gold-500); letter-spacing: .4em; font-size: 14px; }
.hero h1 { color: #fff; font-size: clamp(38px, 6vw, 68px); line-height: 1.18; margin: 18px 0 22px; text-shadow: 0 2px 24px rgba(0,0,0,.3); }
.hero h1 em { color: var(--gold-500); font-style: normal; }
.hero p.lead { max-width: 540px; font-size: 18px; color: rgba(255,255,255,.88); margin-bottom: 34px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-scroll { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); z-index: 2; color: rgba(255,255,255,.7); font-size: 12px; letter-spacing: .2em; text-align: center; }
.hero-scroll .dot { width: 22px; height: 36px; border: 1.5px solid rgba(255,255,255,.5); border-radius: 14px; margin: 0 auto 8px; position: relative; }
.hero-scroll .dot::after { content: ""; position: absolute; top: 7px; left: 50%; transform: translateX(-50%); width: 3px; height: 7px; background: #fff; border-radius: 2px; animation: scrolldot 1.6s infinite; }
@keyframes scrolldot { 0%{opacity:0;top:7px} 40%{opacity:1} 100%{opacity:0;top:18px} }
@keyframes heroZoom { from { transform: scale(1.05); } to { transform: scale(1.16); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: none; } }
.hero-bg { animation: heroZoom 20s ease-out forwards; }
.hero .container > * { animation: fadeUp 1s var(--ease) both; }
.hero .eyebrow { animation-delay: .05s; }
.hero h1 { animation-delay: .2s; }
.hero p.lead { animation-delay: .34s; }
.hero-actions { animation-delay: .48s; }

/* ===== 信任数据条 ===== */
.stats { background: var(--green-900); color: #fff; padding: 54px 0; }
.stats .grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stats .num { font-family: "Noto Serif SC", serif; font-size: 42px; color: var(--gold-500); }
.stats .label { font-size: 14px; color: rgba(255,255,255,.72); letter-spacing: .04em; margin-top: 6px; }

/* ===== 理念 / 优势卡片 ===== */
.features { background: var(--cream-50); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.feature-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 38px 32px; box-shadow: var(--shadow-sm); transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.feature-card .ic {
  width: 52px; height: 52px; border-radius: 12px; background: var(--cream-100);
  display: grid; place-items: center; margin-bottom: 20px; color: var(--green-700);
}
.feature-card h3 { font-size: 20px; margin-bottom: 10px; }
.feature-card p { color: var(--ink-500); font-size: 15px; }

/* ===== 产品预览（首页） ===== */
.product-preview { background: var(--cream-100); }
.preview-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.preview-wrap .visual { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); }
.preview-wrap .visual img { width: 100%; height: 100%; object-fit: cover; }
.preview-wrap h2 { font-size: 32px; line-height: 1.3; }
.preview-wrap p { color: var(--ink-500); margin: 18px 0 26px; }
.spec-list { list-style: none; margin: 22px 0 30px; }
.spec-list li { display: flex; gap: 12px; align-items: flex-start; padding: 11px 0; border-bottom: 1px dashed var(--line); }
.spec-list li span.t { color: var(--green-700); font-weight: 600; min-width: 86px; }
.spec-list li span.d { color: var(--ink-500); font-size: 15px; }

/* ===== 关于页 ===== */
.page-hero { position: relative; padding: 150px 0 80px; background: var(--green-900); color: #fff; text-align: center; overflow: hidden; }
.page-hero::before { content:""; position:absolute; inset:0; background: radial-gradient(circle at 70% 20%, rgba(201,162,75,.18), transparent 55%); }
.page-hero .container { position: relative; }
.page-hero .eyebrow { color: var(--gold-500); letter-spacing: .4em; font-size: 13px; }
.page-hero h1 { color: #fff; font-size: clamp(32px, 5vw, 50px); margin: 14px auto 16px; position: relative; display: inline-block; }
.page-hero h1::after { content: ""; display: block; width: 60px; height: 3px; margin: 16px auto 0; border-radius: 3px; background: linear-gradient(90deg, var(--gold-600), var(--gold-500)); }
.page-hero p { color: rgba(255,255,255,.82); max-width: 620px; margin: 0 auto; }

.story { background: var(--cream-50); }
.story-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.story-grid .visual { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); min-height: 380px; background-size: cover; background-position: center; }
.story-text h2 { font-size: 30px; margin-bottom: 18px; }
.story-text p { color: var(--ink-500); margin-bottom: 16px; }

.values { background: var(--cream-100); }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.value-card { background: var(--white); border-top: 3px solid var(--gold-500); border-radius: var(--radius); padding: 34px 30px; box-shadow: var(--shadow-sm); }
.value-card h3 { font-size: 20px; margin-bottom: 10px; }
.value-card p { color: var(--ink-500); font-size: 15px; }

.timeline { background: var(--cream-50); }
.tl { max-width: 760px; margin: 0 auto; position: relative; padding-left: 28px; }
.tl::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: var(--line); }
.tl-item { position: relative; padding: 0 0 34px 28px; }
.tl-item::before { content: ""; position: absolute; left: -28px; top: 6px; width: 16px; height: 16px; border-radius: 50%; background: var(--gold-500); border: 3px solid var(--cream-50); box-shadow: 0 0 0 2px var(--gold-500); }
.tl-item .yr { font-family: "Noto Serif SC", serif; color: var(--green-700); font-size: 18px; font-weight: 600; }
.tl-item h4 { font-size: 17px; margin: 4px 0 6px; }
.tl-item p { color: var(--ink-500); font-size: 15px; }

/* ===== 产品服务页 ===== */
.products { background: var(--cream-50); }
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.prod-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .35s var(--ease), box-shadow .35s var(--ease); display: flex; flex-direction: column; }
.prod-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.prod-card .pic { height: 230px; background-size: cover; background-position: center; }
.prod-card .body { padding: 28px 26px 30px; display: flex; flex-direction: column; flex: 1; }
.prod-card .tag { align-self: flex-start; font-size: 12px; letter-spacing: .1em; color: var(--gold-600); border: 1px solid var(--gold-500); border-radius: 999px; padding: 3px 12px; margin-bottom: 14px; }
.prod-card h3 { font-size: 21px; margin-bottom: 10px; }
.prod-card p { color: var(--ink-500); font-size: 15px; flex: 1; }
.prod-card .meta { display: flex; justify-content: center; align-items: center; margin-top: 20px; }
.prod-card .price { font-family: "Noto Serif SC", serif; color: var(--green-700); font-size: 22px; }
.prod-card .price small { font-size: 13px; color: var(--ink-500); }

.process { background: var(--green-900); color: #fff; }
.process .section-head h2 { color: #fff; }
.process .section-head p { color: rgba(255,255,255,.78); }
.proc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.proc-step { text-align: center; padding: 30px 18px; border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius); }
.proc-step .n { font-family: "Noto Serif SC", serif; font-size: 40px; color: var(--gold-500); line-height: 1; }
.proc-step h4 { color: #fff; font-size: 18px; margin: 14px 0 8px; }
.proc-step p { color: rgba(255,255,255,.7); font-size: 14px; }

/* ===== 联系页 ===== */
.contact { background: var(--cream-50); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-info h2 { font-size: 30px; margin-bottom: 14px; }
.contact-info p.desc { color: var(--ink-500); margin-bottom: 28px; }
.info-item { display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.info-item .ic { width: 44px; height: 44px; flex: none; border-radius: 10px; background: var(--green-700); color: #fff; display: grid; place-items: center; }
.info-item .t { font-weight: 600; color: var(--green-900); }
.info-item .v { color: var(--ink-500); font-size: 15px; }

.form-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 38px 34px; box-shadow: var(--shadow-sm); }
.form-card h3 { font-size: 22px; margin-bottom: 22px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 14px; color: var(--ink-500); margin-bottom: 7px; }
.field input, .field textarea {
  width: 100%; padding: 13px 15px; border: 1px solid var(--line); border-radius: 10px;
  font-family: inherit; font-size: 15px; background: var(--cream-50); transition: border-color .25s, box-shadow .25s;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--green-500); box-shadow: 0 0 0 3px rgba(60,107,74,.12); background: #fff; }
.field textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 13px; color: var(--ink-500); margin-top: 8px; }

.map { background: var(--cream-100); }
.map-frame { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); height: 360px; background: linear-gradient(135deg, #d9e4db, #c4d3c8); position: relative; }
.map-frame .pin { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-100%); color: var(--green-700); }
.map-frame .pin::after { content: "南粤精选荟"; position: absolute; top: 100%; left: 50%; transform: translateX(-50%); margin-top: 6px; background: var(--green-900); color: #fff; font-size: 12px; padding: 4px 10px; border-radius: 6px; white-space: nowrap; }
.map-frame .map-addr { position: absolute; left: 50%; bottom: 22px; transform: translateX(-50%); margin: 0; font-size: 14px; color: var(--green-900); background: rgba(255,255,255,.85); padding: 6px 14px; border-radius: 20px; white-space: nowrap; }

/* 一键导航按钮组 */
.nav-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; justify-content: center; }
.nav-map-btn {
  flex: 1 1 150px; max-width: 200px; text-align: center; text-decoration: none;
  padding: 13px 16px; border-radius: 12px; font-weight: 600; font-size: 15px;
  color: #fff; border: none; cursor: pointer; font-family: inherit;
  transition: transform .15s ease, box-shadow .15s ease;
}
.nav-map-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.nav-map-btn:active { transform: translateY(0); }
.nav-map-btn.amap { background: linear-gradient(135deg,#1a8cff,#0066d6); }
.nav-map-btn.baidu { background: linear-gradient(135deg,#3a6bff,#1f44d6); }
.nav-map-btn.tencent { background: linear-gradient(135deg,#1ec17b,#0f9d63); }
.nav-map-btn.copy { background: linear-gradient(135deg, var(--gold-500), #a8823a); color: #2a1d05; }
.map-frame.nav-open { cursor: pointer; }
.map-frame .map-tap { position: absolute; left: 50%; top: 26%; transform: translateX(-50%); font-size: 13px; color: var(--green-700); background: rgba(255,255,255,.92); padding: 4px 12px; border-radius: 16px; box-shadow: 0 2px 8px rgba(0,0,0,.12); }

/* 导航选择弹层（微信/移动端一致体验） */
.nav-sheet { position: fixed; inset: 0; z-index: 300; display: none; }
.nav-sheet.open { display: block; }
.nav-sheet-mask { position: absolute; inset: 0; background: rgba(0,0,0,.45); }
.nav-sheet-panel { position: absolute; left: 0; right: 0; bottom: 0; background: #fff; border-radius: 16px 16px 0 0; padding: 18px 18px calc(18px + env(safe-area-inset-bottom)); animation: sheetUp .25s ease; }
@keyframes sheetUp { from { transform: translateY(100%); } to { transform: translateY(0); } }
.nav-sheet-head { display: flex; justify-content: space-between; align-items: center; font-weight: 700; color: var(--green-900); font-size: 16px; }
.nav-sheet-x { background: none; border: none; font-size: 26px; line-height: 1; color: #999; cursor: pointer; padding: 0 4px; }
.nav-sheet-addr { font-size: 13px; color: var(--ink-500); margin: 8px 0 14px; word-break: break-all; }
.nav-sheet-item { display: flex; flex-direction: column; gap: 2px; text-decoration: none; padding: 14px 12px; border-radius: 12px; background: var(--cream-100); margin-bottom: 10px; color: var(--green-900); border: none; width: 100%; text-align: left; cursor: pointer; font-family: inherit; }
.nav-sheet-item:last-child { margin-bottom: 0; }
.nav-sheet-item b { font-size: 16px; }
.nav-sheet-item span { font-size: 12px; color: var(--ink-500); }
.nav-sheet-item:active { background: #e9efe9; }
.addr-nav { display: inline-block; margin-top: 6px; color: var(--gold-600, #b8862f); font-weight: 600; font-size: 14px; text-decoration: none; }
.addr-nav:hover { text-decoration: underline; }
@media (max-width: 480px) {
  .nav-map-btn { flex: 1 1 100%; max-width: none; }
}

/* ===== 页脚 ===== */
.site-footer { background: var(--green-900); color: rgba(255,255,255,.78); padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; }
.site-footer .brand .name { color: #fff; }
.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 18px; }
.footer-col a, .footer-col p { display: block; color: rgba(255,255,255,.7); font-size: 14px; padding: 5px 0; transition: color .2s; }
.footer-col a:hover { color: var(--gold-500); }
.footer-about p { font-size: 14px; max-width: 320px; margin-top: 14px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 44px; padding-top: 22px; text-align: center; font-size: 13px; color: rgba(255,255,255,.55); }

/* ===== 滚动揭示动画 ===== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ===== 荣誉墙 ===== */
.honors { background: var(--white); padding: 52px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.honors .row { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.honor-badge { border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; text-align: center; min-width: 170px; flex: 1 1 170px; max-width: 240px; }
.honor-badge .y { font-family: "Noto Serif SC", serif; color: var(--gold-600); font-size: 19px; font-weight: 600; }
.honor-badge .t { font-size: 13px; color: var(--ink-500); margin-top: 8px; line-height: 1.5; }

/* ===== 成分矩阵 ===== */
.ingredient-cloud { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.ingredient-cloud .tag { background: var(--cream-100); border: 1px solid var(--line); border-radius: 999px; padding: 8px 16px; font-size: 14px; color: var(--green-700); }

/* ===== 营养数据 ===== */
.nutri-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.nutri { background: var(--white); border: 1px solid var(--line); border-radius: 12px; padding: 24px 18px; text-align: center; box-shadow: var(--shadow-sm); }
.nutri .v { font-family: "Noto Serif SC", serif; font-size: 30px; color: var(--green-700); line-height: 1; }
.nutri .u { font-size: 12px; color: var(--ink-500); margin-top: 6px; }
.nutri .n { font-size: 14px; margin-top: 8px; color: var(--ink-900); }

/* ===== 用户分享 ===== */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testi { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 26px; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; }
.testi .q { font-size: 15px; color: var(--ink-500); line-height: 1.7; }
.testi .who { margin-top: auto; padding-top: 16px; font-weight: 600; color: var(--green-700); font-size: 14px; }

/* ===== 饮用方法 ===== */
.usage { background: var(--cream-100); }
.usage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.usage-card { background: var(--white); border-top: 3px solid var(--gold-500); border-radius: var(--radius); padding: 30px 28px; box-shadow: var(--shadow-sm); }
.usage-card h3 { font-size: 20px; margin-bottom: 10px; }
.usage-card p { color: var(--ink-500); font-size: 15px; }
.usage-card .amt { font-family: "Noto Serif SC", serif; color: var(--green-700); font-size: 22px; margin-top: 12px; display: block; }

/* ===== 免责声明 ===== */
.disclaimer { background: var(--green-900); color: rgba(255,255,255,.82); padding: 22px 0; font-size: 14px; text-align: center; line-height: 1.7; }
.disclaimer strong { color: var(--gold-500); }
.alcohol-notice { background: #6b1c1c; color: rgba(255,255,255,.9); padding: 14px 0; font-size: 13px; text-align: center; line-height: 1.7; }
.alcohol-notice strong { color: #f3b5b5; }

/* ===== 资质荣誉 ===== */
.certs { background: var(--cream-100); }
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.cert-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .3s var(--ease), box-shadow .3s var(--ease); }
.cert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.cert-card img { display: block; width: 100%; height: 200px; object-fit: cover; background: #f3f1ea; }
.cert-card .cap { padding: 14px 16px; font-size: 14px; color: var(--ink-700); text-align: center; border-top: 1px solid var(--line); }
.cert-card .cap b { color: var(--green-700); font-weight: 600; }
.cert-two { grid-template-columns: repeat(2, 1fr); }
.cert-two .cert-card img { height: 260px; }

/* ===== 用户分享 ===== */
.disclaimer-banner {
  background: var(--green-900);
  color: #f3ead2;
  padding: 15px 0;
  font-size: 14px; line-height: 1.7; text-align: center;
}
.disclaimer-banner strong { color: var(--gold-500); }
.share-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.story-card {
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px 28px 24px;
  box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; gap: 14px;
}
.story-card .story-tag {
  align-self: flex-start; font-size: 12px; letter-spacing: .08em;
  color: var(--gold-600); border: 1px solid var(--gold-500);
  border-radius: 999px; padding: 3px 12px;
}
.story-card h3 { font-size: 19px; }
.story-card .story-quote {
  font-family: "Noto Serif SC", serif; color: var(--green-700);
  font-size: 15px; line-height: 1.85;
}
.story-card .story-meta {
  font-size: 13px; color: var(--ink-500);
  border-top: 1px dashed var(--line); padding-top: 12px; margin-top: auto;
}
.share-note {
  background: var(--cream-100); border-left: 4px solid var(--gold-500);
  padding: 18px 22px; border-radius: 8px; margin-top: 40px;
  font-size: 14px; color: var(--ink-500); line-height: 1.85;
}

/* ===== 荣誉机构跑马灯 ===== */
.marquee {
  background: var(--green-900);
  border-top: 1px solid rgba(201,162,75,.22);
  border-bottom: 1px solid rgba(201,162,75,.22);
  padding: 14px 0; overflow: hidden; white-space: nowrap;
}
.marquee .track { display: inline-flex; gap: 44px; will-change: transform; animation: marquee 30s linear infinite; }
.marquee:hover .track { animation-play-state: paused; }
.marquee .item {
  display: inline-flex; align-items: center; gap: 10px;
  color: rgba(255,255,255,.82); font-size: 14px; letter-spacing: .04em;
}
.marquee .item::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--gold-500); flex: none; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .feature-grid, .value-grid, .prod-grid, .stats .grid, .proc-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .preview-wrap, .story-grid, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .preview-wrap .visual, .story-grid .visual { min-height: 300px; }
}
@media (max-width: 720px) {
  /* 顶部导航：手机端精简品牌名、汉堡菜单 */
  .brand .name { font-size: 17px; white-space: nowrap; }
  .brand .name small { display: none; }
  .brand .logo { width: 34px; height: 34px; border-radius: 8px; }
  .nav-links {
    position: fixed; inset: 74px 0 auto 0; flex-direction: column; gap: 0;
    background: var(--cream-50); border-bottom: 1px solid var(--line);
    padding: 8px 24px 18px; transform: translateY(-130%); transition: transform .35s var(--ease);
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { width: 100%; padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 16px; }
  .nav-links a::after { display: none; }
  /* 手机端显示高亮 CTA，紧凑不挤占品牌名 */
  .nav-cta { display: inline-flex; padding: 7px 15px; font-size: 13px; flex: none; box-shadow: none; }
  .nav-toggle { display: block; }

  /* 间距与标题缩放 */
  section { padding: 56px 0; }
  .page-hero { padding: 118px 0 60px; }
  .section-head { margin-bottom: 40px; }
  .section-head h2 { font-size: 26px; }
  .section-head p { font-size: 15px; }

  /* 卡片单列，但数据条保留两列更紧凑 */
  .feature-grid, .value-grid, .prod-grid, .proc-grid { grid-template-columns: 1fr; }
  .nutri-grid, .testi-grid, .usage-grid, .share-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  .cert-two { grid-template-columns: 1fr; }
  .stats .grid { grid-template-columns: repeat(2, 1fr); gap: 18px 12px; }
  .stats .num { font-size: 34px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-col a, .footer-col p { padding: 7px 0; }
}
@media (max-width: 480px) {
  .container { padding-inline: 18px; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 32px; }
  .hero p.lead { font-size: 16px; }
  .hero-actions .btn { flex: 1 1 auto; justify-content: center; }
  .preview-wrap h2, .story-text h2, .contact-info h2 { font-size: 25px; }
  .prod-card .price { font-size: 19px; }
  .stats .grid { grid-template-columns: repeat(2, 1fr); }
  .nutri-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== 图片灯箱（点击放大 / 手势缩放） ===== */
.zoomable { cursor: zoom-in; }
.lightbox {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(8, 18, 12, .94);
  display: none; align-items: center; justify-content: center;
  flex-direction: column; touch-action: none;
  -webkit-tap-highlight-color: transparent;
  backdrop-filter: blur(2px);
}
.lightbox.open { display: flex; }
.lightbox img {
  max-width: 92vw; max-height: 80vh;
  border-radius: 8px; background: #fff;
  box-shadow: 0 24px 70px rgba(0, 0, 0, .55);
  transform-origin: center center; will-change: transform;
  user-select: none; -webkit-user-drag: none; pointer-events: none;
  transition: transform .18s ease;
}
.lightbox.closing img { transition: transform .18s ease, opacity .18s ease; opacity: 0; }
.lightbox .lb-cap {
  position: absolute; top: 20px; left: 0; right: 0; text-align: center;
  color: rgba(255, 255, 255, .92); font-size: 14px; font-weight: 500;
  letter-spacing: .5px; padding: 0 16px;
}
.lightbox .lb-hint {
  position: absolute; bottom: 18px; left: 0; right: 0; text-align: center;
  color: rgba(255, 255, 255, .6); font-size: 12px; line-height: 1.6;
}

/* ===== 美化增强 ===== */
/* 产品 / 资质图 悬停缓慢放大 */
.prod-card .pic { transition: transform .65s var(--ease); }
.prod-card:hover .pic { transform: scale(1.07); }
.cert-card img { transition: transform .65s var(--ease); }
.cert-card:hover img { transform: scale(1.06); }

/* 卡片图标渐变描边 */
.feature-card .ic { background: linear-gradient(135deg, var(--cream-100), #fff); border: 1px solid var(--line); }

/* 统一的卡片悬停微浮 */
.value-card, .usage-card, .nutri, .testi, .honor-badge, .story-card {
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.value-card:hover, .usage-card:hover, .nutri:hover, .testi:hover, .honor-badge:hover, .story-card:hover {
  transform: translateY(-4px); box-shadow: var(--shadow-md);
}

/* 数据条 / 页脚 金色强调边 */
.stats { border-top: 3px solid var(--gold-500); border-bottom: 3px solid var(--gold-500); }
.site-footer { border-top: 3px solid var(--gold-500); }

/* 回到顶部按钮 */
.to-top {
  position: fixed; right: 22px; bottom: 22px; z-index: 60;
  width: 46px; height: 46px; border-radius: 50%; border: 0; cursor: pointer;
  background: var(--green-700); color: #fff; display: grid; place-items: center;
  box-shadow: var(--shadow-md);
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: all .3s var(--ease);
}
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--green-900); }
.to-top svg { width: 20px; height: 20px; }

/* 尊重「减少动效」偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
  .hero .container > * { opacity: 1 !important; transform: none !important; }
}