/* ==========================================================================
   巴马灵芝 · 前台样式
   配色取自巴马风物：山岚青、芝木棕、雾白、晨曦金
   ========================================================================== */

:root {
	--bama-teal:    #1d5c52;   /* 山岚青 · 主色 */
	--bama-teal-dk: #0f3a33;   /* 深山 */
	--bama-teal-lt: #2f7d6f;
	--bama-wood:    #8a5a37;   /* 芝木棕 */
	--bama-wood-lt: #b07d51;
	--bama-gold:    #c19a4b;   /* 晨曦金 */
	--bama-mist:    #f6f4ef;   /* 雾白 */
	--bama-cream:   #efe9dd;   /* 米雾 */
	--bama-ink:     #14201d;   /* 墨 */
	--bama-ink-2:   #40504b;
	--bama-ink-3:   #6b7d77;
	--bama-line:    #e2ded2;

	--font-serif: "Noto Serif SC", "Songti SC", "STSong", serif;
	--font-sans:  "Inter", -apple-system, BlinkMacSystemFont, "PingFang SC",
	               "Microsoft YaHei", sans-serif;

	--container: 1200px;
	--radius: 14px;
	--shadow-sm: 0 2px 10px rgba(20, 32, 29, .05);
	--shadow-md: 0 12px 34px -12px rgba(20, 32, 29, .16);
	--shadow-lg: 0 30px 70px -24px rgba(20, 32, 29, .28);
}

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

html { scroll-behavior: smooth; }

body {
	font-family: var(--font-sans);
	font-size: 16px;
	line-height: 1.75;
	color: var(--bama-ink);
	background: #fff;
	-webkit-font-smoothing: antialiased;
	overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container { width: min(100% - 2.5rem, var(--container)); margin-inline: auto; }

/* ---------- 滚动揭示（渐进增强） ---------- */
.no-js .reveal, .no-js .reveal-left, .no-js .reveal-right, .no-js .reveal-item {
	opacity: 1 !important; transform: none !important;
}
html.js:not(.no-js) .reveal { opacity: 0; transform: translateY(22px); transition: all .8s cubic-bezier(.2,.7,.3,1) var(--delay, .05s); }
html.js:not(.no-js) .reveal.visible { opacity: 1; transform: translateY(0); }
html.js:not(.no-js) .reveal-left { opacity: 0; transform: translateX(-32px); transition: all 1s cubic-bezier(.2,.7,.3,1); }
html.js:not(.no-js) .reveal-left.visible { opacity: 1; transform: translateX(0); }
html.js:not(.no-js) .reveal-right { opacity: 0; transform: translateX(32px); transition: all 1s cubic-bezier(.2,.7,.3,1) .12s; }
html.js:not(.no-js) .reveal-right.visible { opacity: 1; transform: translateX(0); }

/* ==========================================================================
   导航
   ========================================================================== */
.nav {
	position: fixed; inset: 0 0 auto 0; z-index: 100;
	background: rgba(255,255,255,.88);
	backdrop-filter: saturate(1.6) blur(14px);
	border-bottom: 1px solid transparent;
	transition: border-color .3s, box-shadow .3s, background .3s;
}
.nav.scrolled { border-bottom-color: var(--bama-line); box-shadow: 0 4px 24px -12px rgba(20,32,29,.18); }
.nav-container {
	width: min(100% - 2.5rem, var(--container)); margin-inline: auto;
	height: 74px; display: flex; align-items: center; gap: 2rem;
}
.nav-logo { display: flex; align-items: center; gap: .7rem; flex-shrink: 0; }
.nav-logo-icon {
	width: 40px; height: 40px; border-radius: 50%;
	background: linear-gradient(140deg, var(--bama-teal), var(--bama-teal-dk));
	color: #fff; display: grid; place-items: center;
	font-family: var(--font-serif); font-size: 1.15rem; font-weight: 600;
	box-shadow: 0 4px 12px -4px rgba(29,92,82,.5);
}
.nav-logo-text {
	font-family: var(--font-serif); font-size: 1.22rem; font-weight: 600;
	letter-spacing: .1em; color: var(--bama-ink);
}
.nav-links { display: flex; align-items: center; gap: .35rem; margin-left: auto; }
.nav-link {
	position: relative; padding: .5rem .85rem; border-radius: 8px;
	font-size: .9rem; color: var(--bama-ink-2); transition: color .25s, background .25s;
}
.nav-link:hover { color: var(--bama-teal); background: rgba(29,92,82,.06); }
.nav-link.active { color: var(--bama-teal); font-weight: 500; }
.nav-link.active::after {
	content: ''; position: absolute; left: 50%; bottom: .15rem; transform: translateX(-50%);
	width: 16px; height: 2px; border-radius: 2px; background: var(--bama-teal);
}
.nav-actions { display: flex; align-items: center; gap: .75rem; }
.nav-cta {
	padding: .58rem 1.25rem; border-radius: 999px;
	background: var(--bama-teal); color: #fff; font-size: .875rem;
	transition: background .25s, transform .25s;
}
.nav-cta:hover { background: var(--bama-teal-dk); transform: translateY(-1px); }
.nav-mobile-btn {
	display: none; width: 42px; height: 42px; border: none; background: none;
	color: var(--bama-ink); border-radius: 8px;
}
.nav-mobile-btn:hover { background: rgba(29,92,82,.07); }

.nav-mobile-menu {
	display: none; position: fixed; inset: 74px 0 auto 0; z-index: 99;
	background: #fff; border-bottom: 1px solid var(--bama-line);
	box-shadow: var(--shadow-md); padding: .75rem 1.25rem 1.25rem;
}
.nav-mobile-menu.open { display: block; }
.nav-mobile-link {
	display: block; padding: .85rem .5rem; border-bottom: 1px solid var(--bama-line);
	font-size: .95rem; color: var(--bama-ink);
}
.nav-mobile-cta {
	display: block; margin-top: 1rem; padding: .85rem; text-align: center;
	background: var(--bama-teal); color: #fff; border-radius: 10px;
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
	position: relative; min-height: 100vh; display: flex; align-items: center;
	padding: 8rem 0 5rem; overflow: hidden; isolation: isolate;
}
.hero-bg { position: absolute; inset: 0; z-index: -2; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-veil {
	position: absolute; inset: 0;
	background:
		linear-gradient(100deg, rgba(10,32,28,.9) 0%, rgba(10,32,28,.72) 42%, rgba(10,32,28,.28) 100%),
		linear-gradient(to top, rgba(10,32,28,.55), transparent 45%);
}
.hero-inner { color: #fff; max-width: 760px; }
.hero-kicker {
	display: inline-flex; align-items: center; gap: .55rem;
	font-size: .8rem; letter-spacing: .18em; text-transform: uppercase;
	color: rgba(255,255,255,.8); margin-bottom: 1.5rem;
}
.hero-kicker-dot {
	width: 6px; height: 6px; border-radius: 50%; background: var(--bama-gold);
	box-shadow: 0 0 0 4px rgba(193,154,75,.22);
}
.hero-title {
	font-family: var(--font-serif); font-size: clamp(2.6rem, 6.2vw, 4.6rem);
	font-weight: 600; line-height: 1.24; letter-spacing: .02em;
	text-shadow: 0 4px 30px rgba(0,0,0,.28);
}
.hero-title-accent { color: #e8d9b5; }
.hero-lead {
	margin-top: 1.6rem; max-width: 620px; font-size: 1.06rem;
	line-height: 2; color: rgba(255,255,255,.86);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2.4rem; }
.hero-stats {
	display: flex; flex-wrap: wrap; gap: 2.75rem; margin-top: 3.5rem;
	padding-top: 2rem; border-top: 1px solid rgba(255,255,255,.18);
}
.hero-stats li { display: flex; flex-direction: column; gap: .2rem; }
.hero-stats strong {
	font-family: var(--font-serif); font-size: 1.85rem; font-weight: 600;
	color: #fff; line-height: 1.2;
}
.hero-stats strong em {
	font-style: normal; font-size: .95rem; margin-left: .15rem;
	color: var(--bama-gold);
}
.hero-stats span { font-size: .82rem; color: rgba(255,255,255,.66); }
.hero-scroll {
	position: absolute; left: 50%; bottom: 2.2rem; transform: translateX(-50%);
	width: 26px; height: 42px; border: 1.5px solid rgba(255,255,255,.4);
	border-radius: 14px; display: grid; place-items: start center; padding-top: 8px;
}
.hero-scroll span {
	width: 3px; height: 8px; border-radius: 2px; background: rgba(255,255,255,.75);
	animation: scrollDot 1.9s ease-in-out infinite;
}
@keyframes scrollDot {
	0%, 100% { transform: translateY(0); opacity: 1; }
	50% { transform: translateY(13px); opacity: .25; }
}

/* ==========================================================================
   按钮与链接
   ========================================================================== */
.btn {
	display: inline-flex; align-items: center; gap: .5rem;
	padding: .85rem 1.85rem; border-radius: 999px;
	font-size: .92rem; font-weight: 500; border: 1.5px solid transparent;
	transition: all .28s cubic-bezier(.2,.7,.3,1);
}
.btn-primary { background: var(--bama-teal); color: #fff; }
.btn-primary:hover { background: var(--bama-teal-dk); transform: translateY(-2px); box-shadow: 0 12px 26px -12px rgba(29,92,82,.7); }
.btn-ghost { border-color: rgba(255,255,255,.42); color: #fff; backdrop-filter: blur(6px); }
.btn-ghost:hover { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.7); }
.btn-light { background: #fff; color: var(--bama-teal-dk); }
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 12px 26px -12px rgba(0,0,0,.5); }
.btn-outline { border-color: var(--bama-teal); color: var(--bama-teal); }
.btn-outline:hover { background: var(--bama-teal); color: #fff; }
.btn-outline-light { border-color: rgba(255,255,255,.5); color: #fff; }
.btn-outline-light:hover { background: rgba(255,255,255,.15); border-color: #fff; }

.link-arrow {
	display: inline-flex; align-items: center; gap: .45rem;
	color: var(--bama-gold); font-size: .92rem; font-weight: 500;
	transition: gap .25s, color .25s;
}
.link-arrow:hover { gap: .8rem; color: #e0b862; }
.link-arrow-static { color: var(--bama-teal); }
.link-arrow-static:hover { color: var(--bama-teal-lt); }

/* ==========================================================================
   区块通用
   ========================================================================== */
.section { padding: clamp(4rem, 8vw, 7.5rem) 0; }
.section-cream { background: var(--bama-mist); }
.section-dark { background: var(--bama-teal-dk); color: #fff; }

.section-head { max-width: 720px; margin: 0 auto clamp(2.5rem, 5vw, 4rem); text-align: center; }
.section-head-split {
	display: flex; align-items: flex-end; justify-content: space-between;
	gap: 2rem; max-width: none; text-align: left; flex-wrap: wrap;
}
.section-eyebrow {
	font-size: .78rem; letter-spacing: .2em; text-transform: uppercase;
	color: var(--bama-wood); font-weight: 600; margin-bottom: .85rem;
}
.section-eyebrow-light { color: var(--bama-gold); }
.section-title {
	font-family: var(--font-serif); font-size: clamp(1.75rem, 3.6vw, 2.65rem);
	font-weight: 600; line-height: 1.4; color: var(--bama-ink); letter-spacing: .01em;
}
.section-title-light { color: #fff; }
.section-lead { margin-top: 1.15rem; font-size: 1.02rem; line-height: 1.95; color: var(--bama-ink-3); }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.35rem; }

/* ==========================================================================
   为什么是巴马
   ========================================================================== */
.why-card {
	background: #fff; padding: 2.25rem 1.85rem; border-radius: var(--radius);
	box-shadow: var(--shadow-sm); border: 1px solid var(--bama-line);
	transition: transform .35s, box-shadow .35s;
}
.why-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.why-ico {
	width: 56px; height: 56px; border-radius: 15px; margin-bottom: 1.35rem;
	background: linear-gradient(140deg, rgba(29,92,82,.1), rgba(193,154,75,.14));
	color: var(--bama-teal); display: grid; place-items: center;
}
.why-ico svg { width: 30px; height: 30px; }
.why-card h3 {
	font-family: var(--font-serif); font-size: 1.2rem; font-weight: 600;
	margin-bottom: .7rem; color: var(--bama-ink);
}
.why-card p { font-size: .92rem; line-height: 1.95; color: var(--bama-ink-3); }

/* ==========================================================================
   分栏图文
   ========================================================================== */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 6vw, 5.5rem); align-items: center; }
.split-reverse .split-media { order: 2; }
.split-media { position: relative; border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-lg); }
.split-media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; }
.split-badge {
	position: absolute; right: 1.5rem; bottom: 1.5rem;
	background: rgba(255,255,255,.95); backdrop-filter: blur(8px);
	padding: .9rem 1.35rem; border-radius: 12px; box-shadow: var(--shadow-md);
	display: flex; flex-direction: column; gap: .1rem;
}
.split-badge strong { font-family: var(--font-serif); font-size: 1rem; color: var(--bama-ink); }
.split-badge span { font-size: .78rem; color: var(--bama-ink-3); }
.split-body .section-title { margin-bottom: 1.25rem; }
.split-lead { font-size: 1rem; line-height: 2.05; color: var(--bama-ink-3); margin-bottom: 1.75rem; }
.section-dark .split-lead { color: rgba(255,255,255,.72); }

.tick-list { display: grid; gap: .9rem; margin-bottom: 2rem; }
.tick-list li {
	position: relative; padding-left: 1.85rem;
	font-size: .93rem; line-height: 1.85; color: rgba(255,255,255,.8);
}
.tick-list li::before {
	content: ''; position: absolute; left: 0; top: .62rem;
	width: 8px; height: 8px; border-radius: 50%;
	background: var(--bama-gold); box-shadow: 0 0 0 3px rgba(193,154,75,.2);
}
.tick-list strong { color: #fff; font-weight: 600; margin-right: .35rem; }

.trace-steps { counter-reset: t; display: grid; gap: 1.1rem; margin-bottom: 2.2rem; }
.trace-steps li {
	counter-increment: t; position: relative; padding-left: 3rem;
	display: flex; flex-direction: column; gap: .15rem;
}
.trace-steps li::before {
	content: counter(t, decimal-leading-zero); position: absolute; left: 0; top: -.1rem;
	font-family: var(--font-serif); font-size: 1.35rem; font-weight: 600;
	color: var(--bama-wood); opacity: .5;
}
.trace-steps strong { font-size: .96rem; color: var(--bama-ink); font-weight: 600; }
.trace-steps span { font-size: .88rem; color: var(--bama-ink-3); }

/* ==========================================================================
   产品卡
   ========================================================================== */
.product-card {
	display: flex; flex-direction: column; background: #fff;
	border-radius: var(--radius); overflow: hidden;
	border: 1px solid var(--bama-line);
	transition: transform .35s cubic-bezier(.2,.7,.3,1), box-shadow .35s;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.product-card-media { position: relative; aspect-ratio: 4/3; overflow: hidden; background: var(--bama-cream); }
.product-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s cubic-bezier(.2,.7,.3,1); }
.product-card:hover .product-card-media img { transform: scale(1.06); }
.product-card-placeholder {
	width: 100%; height: 100%; display: grid; place-items: center;
	background: linear-gradient(140deg, var(--bama-cream), #e3ddd0);
}
.product-card-placeholder span {
	font-family: var(--font-serif); font-size: 3rem; color: rgba(29,92,82,.28);
}
.product-card-tag {
	position: absolute; top: .85rem; left: .85rem;
	padding: .28rem .7rem; border-radius: 999px;
	background: rgba(29,92,82,.92); color: #fff; font-size: .72rem;
	backdrop-filter: blur(4px);
}
.product-card-body { padding: 1.35rem 1.25rem 1.5rem; display: flex; flex-direction: column; flex: 1; }
.product-card-body h3 {
	font-family: var(--font-serif); font-size: 1.08rem; font-weight: 600;
	margin-bottom: .3rem; color: var(--bama-ink);
}
.product-card-sub { font-size: .82rem; color: var(--bama-wood); margin-bottom: .6rem; }
.product-card-desc { font-size: .85rem; line-height: 1.8; color: var(--bama-ink-3); flex: 1; }
.product-card-foot {
	display: flex; align-items: baseline; justify-content: space-between;
	margin-top: 1rem; padding-top: .9rem; border-top: 1px solid var(--bama-line);
}
.product-card-price { font-family: var(--font-serif); font-size: 1.2rem; font-weight: 600; color: var(--bama-teal); }
.product-card-price em { font-style: normal; font-size: .78rem; color: var(--bama-ink-3); margin-left: .1rem; }
.product-card-more { font-size: .8rem; color: var(--bama-ink-3); transition: color .25s; }
.product-card:hover .product-card-more { color: var(--bama-teal); }

/* ==========================================================================
   资讯卡
   ========================================================================== */
.news-card {
	display: flex; flex-direction: column; background: #fff;
	border-radius: var(--radius); overflow: hidden; border: 1px solid var(--bama-line);
	transition: transform .35s, box-shadow .35s;
}
.news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.news-card-media { position: relative; aspect-ratio: 16/10; overflow: hidden; background: var(--bama-cream); }
.news-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s; }
.news-card:hover .news-card-media img { transform: scale(1.05); }
.news-card-placeholder {
	width: 100%; height: 100%; display: grid; place-items: center;
	background: linear-gradient(140deg, #e8e4d8, #dcd6c6);
}
.news-card-placeholder span { font-family: var(--font-serif); font-size: 2.6rem; color: rgba(29,92,82,.25); }
.news-card-cat {
	position: absolute; top: .8rem; left: .8rem; padding: .25rem .65rem;
	border-radius: 999px; background: rgba(255,255,255,.94); color: var(--bama-teal);
	font-size: .72rem; backdrop-filter: blur(4px);
}
.news-card-body { padding: 1.3rem 1.3rem 1.5rem; display: flex; flex-direction: column; flex: 1; }
.news-card-date { font-size: .76rem; color: var(--bama-ink-3); margin-bottom: .5rem; }
.news-card-body h3 {
	font-family: var(--font-serif); font-size: 1.05rem; font-weight: 600;
	line-height: 1.65; margin-bottom: .6rem; color: var(--bama-ink);
	display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-card-excerpt {
	font-size: .86rem; line-height: 1.85; color: var(--bama-ink-3); flex: 1;
	display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.news-card-more { margin-top: 1rem; font-size: .82rem; color: var(--bama-teal); }

/* ==========================================================================
   CTA
   ========================================================================== */
.cta { position: relative; padding: clamp(4rem, 8vw, 7rem) 0; overflow: hidden; isolation: isolate; }
.cta-bg { position: absolute; inset: 0; z-index: -2; }
.cta-bg img { width: 100%; height: 100%; object-fit: cover; }
.cta::after {
	content: ''; position: absolute; inset: 0; z-index: -1;
	background: linear-gradient(105deg, rgba(15,58,51,.92), rgba(15,58,51,.68) 55%, rgba(15,58,51,.4));
}
.cta-inner { max-width: 680px; color: #fff; }
.cta-title {
	font-family: var(--font-serif); font-size: clamp(1.9rem, 4vw, 2.9rem);
	font-weight: 600; line-height: 1.4; margin-bottom: 1.1rem;
}
.cta-lead { font-size: 1.02rem; line-height: 2; color: rgba(255,255,255,.78); margin-bottom: 2rem; }
.cta-actions { display: flex; flex-wrap: wrap; gap: .85rem; }

/* ==========================================================================
   页头（内页）
   ========================================================================== */
.page-hero {
	position: relative; padding: clamp(7rem, 12vw, 10rem) 0 clamp(3rem, 6vw, 4.5rem);
	overflow: hidden; isolation: isolate; text-align: center;
}
.page-hero-bg { position: absolute; inset: 0; z-index: -2; }
.page-hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.page-hero::after {
	content: ''; position: absolute; inset: 0; z-index: -1;
	background: linear-gradient(180deg, rgba(15,58,51,.82), rgba(15,58,51,.68));
}
.page-hero-inner { max-width: 780px; margin-inline: auto; color: #fff; }
.page-hero h1 {
	font-family: var(--font-serif); font-size: clamp(2rem, 4.6vw, 3.2rem);
	font-weight: 600; letter-spacing: .03em; margin-bottom: .9rem;
}
.page-hero p { font-size: 1rem; line-height: 1.95; color: rgba(255,255,255,.82); }
.breadcrumb {
	display: flex; justify-content: center; gap: .5rem; align-items: center;
	font-size: .82rem; color: rgba(255,255,255,.65); margin-bottom: 1.25rem;
}
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { opacity: .5; }

/* ==========================================================================
   正文排版
   ========================================================================== */
.prose { font-size: 1.02rem; line-height: 2.05; color: var(--bama-ink-2); }
.prose > * + * { margin-top: 1.15rem; }
.prose h2 {
	font-family: var(--font-serif); font-size: 1.6rem; font-weight: 600;
	color: var(--bama-ink); margin-top: 2.5rem; padding-left: .9rem;
	border-left: 3px solid var(--bama-wood);
}
.prose h3 { font-family: var(--font-serif); font-size: 1.25rem; font-weight: 600; color: var(--bama-ink); margin-top: 2rem; }
.prose p { text-align: justify; }
.prose ul { display: grid; gap: .65rem; padding-left: 1.4rem; }
.prose ul li { position: relative; }
.prose ul li::before {
	content: ''; position: absolute; left: -1.05rem; top: .78rem;
	width: 5px; height: 5px; border-radius: 50%; background: var(--bama-wood);
}
.prose ol { display: grid; gap: .65rem; padding-left: 1.4rem; list-style: decimal; }
.prose blockquote {
	padding: 1.1rem 1.5rem; background: var(--bama-mist);
	border-left: 3px solid var(--bama-teal); border-radius: 0 10px 10px 0;
	color: var(--bama-ink-2); font-family: var(--font-serif);
}
.prose img { border-radius: 12px; box-shadow: var(--shadow-sm); }
.prose table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.prose th, .prose td { padding: .75rem 1rem; border: 1px solid var(--bama-line); text-align: left; }
.prose th { background: var(--bama-mist); font-weight: 600; }

/* ==========================================================================
   列表页通用
   ========================================================================== */
.page-section { padding: clamp(3rem, 6vw, 5rem) 0; }
.filter-bar {
	display: flex; flex-wrap: wrap; gap: .55rem; margin-bottom: 2.5rem;
	padding-bottom: 1.5rem; border-bottom: 1px solid var(--bama-line);
}
.filter-chip {
	padding: .45rem 1.05rem; border-radius: 999px; font-size: .86rem;
	background: #fff; border: 1px solid var(--bama-line); color: var(--bama-ink-2);
	transition: all .25s;
}
.filter-chip:hover { border-color: var(--bama-teal); color: var(--bama-teal); }
.filter-chip.active { background: var(--bama-teal); border-color: var(--bama-teal); color: #fff; }

.empty-state { text-align: center; padding: 4.5rem 1rem; color: var(--bama-ink-3); }
.empty-state span { display: block; font-family: var(--font-serif); font-size: 2.6rem; opacity: .3; margin-bottom: .75rem; }

/* ==========================================================================
   产品详情
   ========================================================================== */
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.product-detail-media { border-radius: 18px; overflow: hidden; box-shadow: var(--shadow-md); position: sticky; top: 100px; }
.product-detail-media img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
.product-detail h1 {
	font-family: var(--font-serif); font-size: clamp(1.7rem, 3.4vw, 2.4rem);
	font-weight: 600; line-height: 1.45; margin-bottom: .6rem;
}
.pd-sub { font-size: 1rem; color: var(--bama-wood); margin-bottom: 1.25rem; }
.pd-price {
	display: flex; align-items: baseline; gap: .5rem; margin-bottom: 1.5rem;
	padding-bottom: 1.5rem; border-bottom: 1px solid var(--bama-line);
}
.pd-price strong { font-family: var(--font-serif); font-size: 2.1rem; font-weight: 600; color: var(--bama-teal); }
.pd-price span { font-size: .9rem; color: var(--bama-ink-3); }
.pd-badges { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.75rem; }
.pd-badge {
	padding: .32rem .8rem; border-radius: 999px; font-size: .78rem;
	background: rgba(29,92,82,.08); color: var(--bama-teal);
}
.pd-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.pd-specs { margin-top: 2.5rem; }
.pd-specs h3 { font-family: var(--font-serif); font-size: 1.1rem; font-weight: 600; margin-bottom: 1rem; }
.pd-spec-list { display: grid; gap: 0; border: 1px solid var(--bama-line); border-radius: 10px; overflow: hidden; }
.pd-spec-list div {
	display: grid; grid-template-columns: 120px 1fr; gap: 1rem;
	padding: .8rem 1.1rem; font-size: .9rem; border-bottom: 1px solid var(--bama-line);
}
.pd-spec-list div:last-child { border-bottom: none; }
.pd-spec-list dt { color: var(--bama-ink-3); }
.pd-spec-list dd { color: var(--bama-ink); }
.feature-list { display: grid; gap: .75rem; margin-top: 1rem; }
.feature-list li {
	position: relative; padding-left: 1.6rem; font-size: .92rem; color: var(--bama-ink-2);
}
.feature-list li::before {
	content: '✓'; position: absolute; left: 0; top: 0;
	color: var(--bama-teal); font-weight: 700;
}

/* ==========================================================================
   资讯详情
   ========================================================================== */
.article-head { max-width: 780px; margin-inline: auto; text-align: center; margin-bottom: 2.5rem; }
.article-head h1 {
	font-family: var(--font-serif); font-size: clamp(1.8rem, 4vw, 2.8rem);
	font-weight: 600; line-height: 1.45; margin-bottom: 1rem;
}
.article-meta {
	display: flex; justify-content: center; gap: 1.25rem; flex-wrap: wrap;
	font-size: .85rem; color: var(--bama-ink-3);
	padding-bottom: 1.5rem; border-bottom: 1px solid var(--bama-line);
}
.article-cover { max-width: 900px; margin: 0 auto 2.5rem; border-radius: 16px; overflow: hidden; box-shadow: var(--shadow-md); }
.article-body { max-width: 780px; margin-inline: auto; }
.article-share {
	max-width: 780px; margin: 3rem auto 0; padding-top: 1.5rem;
	border-top: 1px solid var(--bama-line);
	display: flex; align-items: center; gap: .75rem; flex-wrap: wrap;
}
.article-share span { font-size: .88rem; color: var(--bama-ink-3); }
.article-share a {
	width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--bama-line);
	display: grid; place-items: center; color: var(--bama-ink-2); transition: all .25s;
}
.article-share a:hover { border-color: var(--bama-teal); color: var(--bama-teal); background: rgba(29,92,82,.05); }

/* ==========================================================================
   表单
   ========================================================================== */
.form-group { margin-bottom: 1.35rem; }
.form-group label { display: block; font-size: .88rem; color: var(--bama-ink-2); margin-bottom: .5rem; font-weight: 500; }
.form-group label .req { color: var(--bama-wood); margin-left: .2rem; }
.form-control {
	width: 100%; padding: .8rem 1rem; border: 1px solid var(--bama-line);
	border-radius: 10px; background: #fff; font-size: .94rem; font-family: inherit;
	color: var(--bama-ink); transition: border-color .25s, box-shadow .25s;
}
.form-control:focus {
	outline: none; border-color: var(--bama-teal);
	box-shadow: 0 0 0 3px rgba(29,92,82,.1);
}
textarea.form-control { resize: vertical; min-height: 120px; }
.form-alert {
	padding: .9rem 1.15rem; border-radius: 10px; font-size: .9rem; margin-bottom: 1.5rem;
}
.form-alert-ok { background: rgba(29,92,82,.08); color: var(--bama-teal); }
.form-alert-err { background: rgba(178,60,50,.08); color: #a83c32; }

/* ==========================================================================
   页脚
   ========================================================================== */
.footer { background: var(--bama-teal-dk); color: rgba(255,255,255,.72); margin-top: 0; }
.footer-top { padding: clamp(3rem, 6vw, 4.5rem) 0 2.5rem; }
.footer-container { width: min(100% - 2.5rem, var(--container)); margin-inline: auto; }
.footer-container { display: grid; grid-template-columns: 1.6fr .8fr 1fr 1.4fr; gap: 2.5rem; }
.footer-logo { display: flex; align-items: center; gap: .75rem; margin-bottom: 1.1rem; }
.footer-brand-name {
	font-family: var(--font-serif); font-size: 1.15rem; font-weight: 600;
	color: #fff; letter-spacing: .08em;
}
.footer-brand-sub { font-size: .76rem; color: rgba(255,255,255,.5); }
.footer-desc { font-size: .88rem; line-height: 1.95; color: rgba(255,255,255,.62); margin-bottom: 1.4rem; }
.footer-social { display: flex; gap: .6rem; }
.footer-social a {
	width: 36px; height: 36px; border-radius: 50%;
	border: 1px solid rgba(255,255,255,.16); display: grid; place-items: center;
	color: rgba(255,255,255,.7); transition: all .25s;
}
.footer-social a:hover { background: rgba(255,255,255,.1); color: #fff; border-color: rgba(255,255,255,.35); }
.footer-col h4 {
	font-family: var(--font-serif); font-size: .98rem; font-weight: 600;
	color: #fff; margin-bottom: 1.15rem; letter-spacing: .06em;
}
.footer-col ul { display: grid; gap: .6rem; }
.footer-col a, .footer-col li { font-size: .87rem; color: rgba(255,255,255,.6); transition: color .25s; }
.footer-col a:hover { color: var(--bama-gold); }
.footer-contact li { display: flex; gap: .55rem; align-items: flex-start; line-height: 1.7; }
.footer-ico { flex-shrink: 0; opacity: .7; }
.footer-subscribe { display: flex; margin-top: 1.4rem; gap: .5rem; }
.footer-subscribe input {
	flex: 1; padding: .65rem .95rem; border-radius: 8px; border: 1px solid rgba(255,255,255,.16);
	background: rgba(255,255,255,.06); color: #fff; font-size: .85rem; font-family: inherit;
}
.footer-subscribe input::placeholder { color: rgba(255,255,255,.4); }
.footer-subscribe input:focus { outline: none; border-color: rgba(255,255,255,.4); }
.footer-subscribe button {
	width: 42px; border: none; border-radius: 8px; background: var(--bama-teal);
	color: #fff; display: grid; place-items: center; transition: background .25s;
}
.footer-subscribe button:hover { background: var(--bama-teal-lt); }
.subscribe-msg { font-size: .8rem; margin-top: .5rem; min-height: 1.2em; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 1.4rem 0; }
.footer-bottom-inner {
	display: flex; flex-wrap: wrap; gap: 1.25rem; align-items: center;
	justify-content: space-between; font-size: .8rem; color: rgba(255,255,255,.48);
}
.footer-legal { display: flex; gap: 1.25rem; }
.footer-legal a:hover { color: var(--bama-gold); }
.footer-record { display: flex; gap: 1rem; align-items: center; }
.ba-police { height: 18px; width: auto; display: inline-block; vertical-align: -3px; margin-right: .3rem; }

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1024px) {
	.grid-4 { grid-template-columns: repeat(2, 1fr); }
	.footer-container { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
	.nav-links { display: none; }
	.nav-mobile-btn { display: grid; place-items: center; }
	.split { grid-template-columns: 1fr; }
	.split-reverse .split-media { order: 0; }
	.split-media { position: static; }
	.product-detail { grid-template-columns: 1fr; }
	.product-detail-media { position: static; }
	.hero { min-height: auto; padding: 7.5rem 0 4.5rem; }
	.hero-stats { gap: 1.75rem; }
}
@media (max-width: 640px) {
	.grid-3, .grid-2 { grid-template-columns: 1fr; }
	.grid-4 { grid-template-columns: 1fr; }
	.footer-container { grid-template-columns: 1fr; gap: 2rem; }
	.section-head-split { flex-direction: column; align-items: flex-start; }
	.hero-title { font-size: 2.4rem; }
	.hero-stats { flex-direction: column; gap: 1rem; }
	.btn { padding: .8rem 1.5rem; font-size: .88rem; }
}