/* ===================== 苗水堂 公司官网 ===================== */
:root {
  --green: #0f7a52;
  --green-2: #1f9e6e;
  --gold: #d4af37;
  --bg: #f6faf8;
  --bg-2: #eef5f1;
  --surface: #ffffff;
  --text: #15302a;
  --muted: #5b6b64;
  --border: rgba(15,122,82,.12);
  --shadow: 0 18px 50px -22px rgba(15,80,55,.30);
  --radius: 18px;
  --maxw: 1180px;
  --nav-h: 68px;
  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
[data-theme="dark"] {
  --bg: #0c1512;
  --bg-2: #0f1b17;
  --surface: #14211c;
  --text: #e8f1ec;
  --muted: #9fb3aa;
  --border: rgba(255,255,255,.10);
  --shadow: 0 22px 60px -26px rgba(0,0,0,.7);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background .4s ease, color .4s ease;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---------- 容器 ---------- */
.section { max-width: var(--maxw); margin: 0 auto; padding: 96px 24px; }
.section--alt { background: var(--bg-2); max-width: none; }
.section--alt > * { max-width: var(--maxw); margin-left: auto; margin-right: auto; }

/* ---------- 导航 ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; height: var(--nav-h); z-index: 50;
  display: flex; align-items: center;
  backdrop-filter: blur(14px) saturate(160%);
  background: color-mix(in srgb, var(--surface) 72%, transparent);
  border-bottom: 1px solid var(--border);
  transition: background .3s ease, box-shadow .3s ease;
}
.nav.scrolled { box-shadow: var(--shadow); }
.nav__inner { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; display: flex; align-items: center; gap: 18px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--green); }
.brand__mark { display: inline-flex; filter: drop-shadow(0 4px 10px rgba(15,122,82,.35)); }
.brand__txt { display: flex; flex-direction: column; line-height: 1.1; }
.brand__txt strong { font-size: 19px; letter-spacing: 2px; color: var(--text); }
.brand__txt em { font-style: normal; font-size: 10px; letter-spacing: 3px; color: var(--muted); }
.nav__links { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.nav__links a { font-size: 15px; color: var(--text); position: relative; padding: 4px 0; opacity: .85; transition: opacity .2s; }
.nav__links a:not(.btn)::after { content: ""; position: absolute; left: 0; bottom: -2px; height: 2px; width: 0; background: var(--green-2); transition: width .25s ease; }
.nav__links a:not(.btn):hover { opacity: 1; }
.nav__links a:not(.btn):hover::after { width: 100%; }
.nav__right { display: flex; align-items: center; gap: 12px; margin-left: 8px; }
.theme-toggle { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--border); background: transparent; color: var(--text); cursor: pointer; display: grid; place-items: center; transition: background .2s, transform .2s; }
.theme-toggle:hover { background: var(--bg-2); transform: rotate(12deg); }
.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }
.nav__burger { display: none; flex-direction: column; gap: 5px; width: 42px; height: 42px; border: 1px solid var(--border); border-radius: 12px; background: transparent; cursor: pointer; align-items: center; justify-content: center; }
.nav__burger span { width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: .3s; }
.nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 按钮 ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 24px; border-radius: 999px; font-size: 15px; font-weight: 600; cursor: pointer; border: 1px solid transparent; transition: transform .2s cubic-bezier(.16,1,.3,1), box-shadow .2s, background .2s; }
.btn--primary { background: linear-gradient(135deg, var(--green), var(--green-2)); color: #fff; box-shadow: 0 12px 28px -12px rgba(15,122,82,.7); }
.btn--primary:hover { transform: translateY(-2px) scale(1.02); box-shadow: 0 18px 36px -12px rgba(15,122,82,.8); }
.btn--ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn--ghost:hover { background: var(--bg-2); transform: translateY(-2px); }
.btn--block { width: 100%; }
.nav__shop { padding: 9px 18px; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; overflow: hidden; padding: var(--nav-h) 24px 0; }
.hero__bg { position: absolute; inset: 0; background: radial-gradient(1200px 600px at 50% -10%, color-mix(in srgb, var(--green-2) 22%, transparent), transparent 60%), var(--bg); }
.orb { position: absolute; border-radius: 50%; filter: blur(60px); opacity: .55; animation: float 14s ease-in-out infinite; }
.orb--1 { width: 360px; height: 360px; background: var(--green-2); top: 8%; left: -60px; }
.orb--2 { width: 300px; height: 300px; background: var(--gold); top: 40%; right: -40px; opacity: .35; animation-delay: -4s; }
.orb--3 { width: 260px; height: 260px; background: #2bb98a; bottom: -40px; left: 30%; opacity: .4; animation-delay: -8s; }
@keyframes float { 0%,100% { transform: translateY(0) } 50% { transform: translateY(-30px) } }
.hero__inner { position: relative; max-width: 880px; }
.hero__eyebrow { letter-spacing: 4px; font-size: 13px; color: var(--green-2); font-weight: 600; margin-bottom: 18px; }
.hero__title { font-size: clamp(40px, 7vw, 76px); line-height: 1.08; font-weight: 800; letter-spacing: 1px; }
.grad { background: linear-gradient(120deg, var(--green), var(--gold)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero__sub { margin: 22px auto 34px; max-width: 640px; font-size: 17px; color: var(--muted); }
.hero__cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero__stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; margin-top: 60px; }
.stat b { display: block; font-size: clamp(26px,4vw,40px); font-weight: 800; color: var(--green); }
.stat span { font-size: 13px; color: var(--muted); }
.hero__scroll { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); width: 26px; height: 42px; border: 2px solid var(--border); border-radius: 14px; }
.hero__scroll span { position: absolute; top: 8px; left: 50%; width: 4px; height: 8px; background: var(--green-2); border-radius: 2px; transform: translateX(-50%); animation: scrolldot 1.6s infinite; }
@keyframes scrolldot { 0% { opacity: 0; top: 8px } 40% { opacity: 1 } 80% { opacity: 0; top: 22px } }

/* ---------- Section 头 ---------- */
.section__head { text-align: center; max-width: 720px; margin: 0 auto 54px; }
.kicker { font-size: 12px; letter-spacing: 4px; color: var(--green-2); font-weight: 700; }
.section__head h2 { font-size: clamp(28px,4vw,42px); margin: 10px 0 14px; font-weight: 800; }
.section__head p { color: var(--muted); font-size: 16px; }

/* ---------- 玻璃卡片 ---------- */
.glass { background: color-mix(in srgb, var(--surface) 80%, transparent); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); backdrop-filter: blur(10px); }

/* ---------- 关于 ---------- */
.about { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: start; }
.about__lead p { font-size: 16px; color: var(--muted); margin-bottom: 16px; }
.about__cards { display: grid; gap: 16px; }
.card { padding: 24px; transition: transform .3s ease; }
.card:hover { transform: translateY(-4px); }
.card__ico { font-size: 30px; margin-bottom: 10px; }
.card h3 { font-size: 18px; margin-bottom: 6px; }
.card p { font-size: 14px; color: var(--muted); }

/* ---------- 核心业务 ---------- */
.biz { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.biz__item { padding: 30px 26px; position: relative; overflow: hidden; transition: transform .3s cubic-bezier(.16,1,.3,1), box-shadow .3s; }
.biz__item:hover { transform: translateY(-6px); box-shadow: 0 26px 60px -24px rgba(15,80,55,.45); }
.biz__no { position: absolute; right: 18px; top: 10px; font-size: 46px; font-weight: 800; color: color-mix(in srgb, var(--green) 14%, transparent); }
.biz__item h3 { font-size: 20px; margin-bottom: 10px; }
.biz__item p { font-size: 14px; color: var(--muted); }

/* ---------- 康养生态 ---------- */
.eco { display: grid; grid-template-columns: repeat(4,1fr); gap: 22px; }
.eco__feature { text-align: center; padding: 30px 20px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); transition: transform .3s, border-color .3s; }
.eco__feature:hover { transform: translateY(-6px); border-color: var(--green-2); }
.eco__icon { font-size: 40px; margin-bottom: 12px; }
.eco__feature h3 { font-size: 17px; margin-bottom: 8px; }
.eco__feature p { font-size: 14px; color: var(--muted); }

/* ---------- 新闻 ---------- */
.news { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.news__item { overflow: hidden; transition: transform .3s; }
.news__item:hover { transform: translateY(-6px); }
.news__cover { height: 160px; background: linear-gradient(135deg, var(--green), var(--gold)); }
.news__cover[data-grad="2"] { background: linear-gradient(135deg, #2bb98a, #0f7a52); }
.news__cover[data-grad="3"] { background: linear-gradient(135deg, var(--gold), #b8860b); }
.news__body { padding: 20px; }
.news__body time { font-size: 12px; color: var(--green-2); font-weight: 600; }
.news__body h3 { font-size: 18px; margin: 8px 0; }
.news__body p { font-size: 14px; color: var(--muted); }

/* ---------- 联系 ---------- */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: start; }
.contact__info { display: grid; gap: 18px; align-content: start; }
.info__row { display: flex; gap: 14px; align-items: flex-start; }
.info__ico { font-size: 22px; width: 44px; height: 44px; display: grid; place-items: center; border-radius: 12px; background: var(--bg-2); flex: none; }
.info__row b { font-size: 15px; }
.info__row p { font-size: 14px; color: var(--muted); }
.contact__form { padding: 30px; display: grid; gap: 14px; }
.contact__form h3 { font-size: 20px; margin-bottom: 4px; }
.contact__form label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
.contact__form input, .contact__form textarea { font-family: inherit; font-size: 15px; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--border); background: var(--bg); color: var(--text); outline: none; transition: border-color .2s; }
.contact__form input:focus, .contact__form textarea:focus { border-color: var(--green-2); }
.form__hint { font-size: 14px; color: var(--green-2); font-weight: 600; }

/* ---------- 页脚 ---------- */
.footer { background: var(--bg-2); border-top: 1px solid var(--border); padding: 50px 24px 30px; }
.footer__inner { max-width: var(--maxw); margin: 0 auto; display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; align-items: center; }
.footer__brand { display: flex; align-items: center; gap: 12px; color: var(--green); }
.footer__brand strong { color: var(--text); display: block; }
.footer__brand p { font-size: 13px; color: var(--muted); }
.footer__nav { display: flex; gap: 22px; flex-wrap: wrap; }
.footer__nav a { font-size: 14px; color: var(--muted); transition: color .2s; }
.footer__nav a:hover { color: var(--green-2); }
.footer__bottom { max-width: var(--maxw); margin: 26px auto 0; padding-top: 18px; border-top: 1px solid var(--border); font-size: 12px; color: var(--muted); display: grid; gap: 4px; }

/* ---------- 滚动渐显 ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s cubic-bezier(.16,1,.3,1); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .about, .contact { grid-template-columns: 1fr; }
  .biz, .news { grid-template-columns: repeat(2,1fr); }
  .eco { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 720px) {
  .nav__links { position: fixed; inset: var(--nav-h) 0 auto 0; flex-direction: column; gap: 4px; background: var(--surface); padding: 16px 24px 24px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow); transform: translateY(-120%); transition: transform .35s ease; margin-left: 0; }
  .nav__links.open { transform: translateY(0); }
  .nav__links a { padding: 10px 0; width: 100%; }
  .nav__burger { display: flex; }
  .hero__stats { grid-template-columns: repeat(2,1fr); gap: 24px 12px; }
  .biz, .news, .eco { grid-template-columns: 1fr; }
  .section { padding: 70px 20px; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}

/* ===================== 品牌视频 ===================== */
.videos { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.video-card { position: relative; border-radius: var(--radius); overflow: hidden; cursor: pointer; border: 1px solid var(--border); background: var(--surface); box-shadow: var(--shadow); transition: transform .3s cubic-bezier(.16,1,.3,1); }
.video-card:hover { transform: translateY(-6px); }
.video-card__cover { height: 190px; position: relative; display: grid; place-items: center; background: linear-gradient(135deg, var(--green), var(--gold)); }
.video-card__cover[data-grad="2"] { background: linear-gradient(135deg, #2bb98a, #0f7a52); }
.video-card__cover[data-grad="3"] { background: linear-gradient(135deg, var(--gold), #b8860b); }
.video-card__cover[data-grad="4"] { background: linear-gradient(135deg, #1f9e6e, #0f7a52); }
.video-card__tag { position: absolute; top: 10px; left: 10px; font-size: 11px; padding: 3px 10px; border-radius: 999px; background: rgba(0,0,0,.42); color: #fff; }
.video-card__play { width: 58px; height: 58px; border-radius: 50%; background: rgba(255,255,255,.92); display: grid; place-items: center; box-shadow: 0 8px 24px rgba(0,0,0,.25); transition: transform .25s ease; }
.video-card:hover .video-card__play { transform: scale(1.12); }
.video-card__play svg { width: 24px; height: 24px; fill: var(--green); margin-left: 3px; }
.video-card__soon { position: absolute; bottom: 10px; right: 10px; font-size: 11px; color: #fff; background: rgba(0,0,0,.4); padding: 2px 9px; border-radius: 999px; }
.video-card__body { padding: 16px 18px; }
.video-card__body h3 { font-size: 16px; margin-bottom: 6px; }
.video-card__body p { font-size: 13px; color: var(--muted); }

/* ---------- 视频弹窗 ---------- */
.vmodal { position: fixed; inset: 0; z-index: 100; display: none; align-items: center; justify-content: center; padding: 20px; }
.vmodal.open { display: flex; }
.vmodal__backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.62); backdrop-filter: blur(4px); }
.vmodal__dialog { position: relative; width: min(900px, 100%); padding: 14px; border-radius: var(--radius); }
.vmodal__close { position: absolute; top: -14px; right: -14px; width: 38px; height: 38px; border: none; border-radius: 50%; background: #fff; color: #333; font-size: 22px; line-height: 1; cursor: pointer; box-shadow: var(--shadow); }
.vmodal__body video { width: 100%; border-radius: 12px; display: block; background: #000; }
.vmodal__body .vmodal__msg { padding: 44px 20px; text-align: center; color: var(--muted); font-size: 15px; line-height: 1.9; }

@media (max-width: 980px) { .videos { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 600px) { .videos { grid-template-columns: 1fr; } }

/* ===================== 官网动态轮播（后台配置 position=www） ===================== */
.banners { position: relative; max-width: 1200px; margin: 26px auto -30px; padding: 0 22px; height: 300px; }
.banners__slide { position: absolute; inset: 22px; opacity: 0; transition: opacity .8s ease; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); pointer-events: none; }
.banners__slide.on { opacity: 1; pointer-events: auto; z-index: 1; }
.banners__slide a, .banners__slide span.linkless { display: block; width: 100%; height: 100%; }
.banners__slide img { width: 100%; height: 100%; object-fit: cover; display: block; }
.banners__dots { position: absolute; bottom: 34px; left: 0; right: 0; display: flex; justify-content: center; gap: 8px; z-index: 2; }
.banners__dots i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,.55); cursor: pointer; transition: all .25s; }
.banners__dots i.on { background: #fff; transform: scale(1.25); }
@media (max-width: 768px) { .banners { height: 180px; margin-top: 16px; } }

/* ===================== 新闻详情弹窗 ===================== */
.vmodal__article { max-height: 76vh; overflow-y: auto; background: var(--card, #fff); border-radius: 12px; padding: 26px 28px; }
.vmodal__article .na__meta { font-size: 13px; color: var(--muted); margin-bottom: 10px; }
.vmodal__article .na__title { font-size: 22px; margin-bottom: 14px; line-height: 1.4; }
.vmodal__article .na__cover { width: 100%; max-height: 300px; object-fit: cover; border-radius: 10px; margin-bottom: 16px; }
.vmodal__article .na__content { line-height: 1.9; font-size: 15px; color: var(--text); }
.vmodal__article .na__content img { max-width: 100%; border-radius: 8px; }
.vmodal__article .na__content p { margin: 0 0 12px; }

/* ===================== 直播专区 ===================== */
.live { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.live__loading { grid-column: 1/-1; text-align: center; color: var(--muted); padding: 40px 0; }
.live-card { overflow: hidden; transition: transform .3s cubic-bezier(.16,1,.3,1); }
.live-card:hover { transform: translateY(-6px); }
.live-card__cover { position: relative; height: 190px; display: grid; place-items: center; background: linear-gradient(135deg, var(--green), var(--gold)); }
.live-card__play { width: 58px; height: 58px; border-radius: 50%; background: rgba(255,255,255,.92); display: grid; place-items: center; box-shadow: 0 8px 24px rgba(0,0,0,.25); color: var(--green); transition: transform .25s ease; }
.live-card:hover .live-card__play { transform: scale(1.12); }
.live-card__play svg { margin-left: 3px; }
.live-card__badge { position: absolute; top: 12px; left: 12px; font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 999px; color: #fff; background: rgba(0,0,0,.4); }
.live-card__badge.is-live { background: #e23b3b; }
.live-card__badge.is-live::before { content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: #fff; margin-right: 6px; vertical-align: middle; animation: livepulse 1.1s infinite; }
.live-card__badge.is-soon { background: var(--gold); }
.live-card__badge.is-end { background: var(--muted); }
@keyframes livepulse { 0%,100% { opacity: 1 } 50% { opacity: .25 } }
.live-card__body { padding: 18px 20px 20px; }
.live-card__body h3 { font-size: 18px; margin-bottom: 10px; }
.live-card__host { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; color: var(--muted); font-size: 14px; }
.live-card__host img { width: 26px; height: 26px; border-radius: 50%; object-fit: cover; }
.live-empty { grid-column: 1/-1; text-align: center; padding: 46px 24px; }
.live-empty__ico { font-size: 42px; margin-bottom: 12px; }
.live-empty h3 { font-size: 22px; margin-bottom: 10px; }
.live-empty p { color: var(--muted); max-width: 520px; margin: 0 auto 20px; line-height: 1.8; }
.live-empty__cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
@media (max-width: 980px) { .live { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 600px) { .live { grid-template-columns: 1fr; } }