/* ==========================================================================
   Meridian Corporate — main.css
   设计语言：墨蓝 × 鎏金 × 象牙白 | 编辑级排版 | 渐进式动效
   ========================================================================== */

:root {
	/* 色板 */
	--ink: #0b1b2b;
	--ink-2: #10233b;
	--ink-deep: #07121e;
	--paper: #f6f3ec;
	--white: #ffffff;
	--gold: #c6a15b;
	--gold-2: #e3c78a;
	--gold-deep: #8a6a2f;
	--text: #22303f;
	--muted: #68758a;
	--line: rgba(11, 27, 43, 0.1);
	--line-light: rgba(255, 255, 255, 0.14);
	--dark-text: #ece7db;
	--dark-muted: #9aa7b8;

	/* 字体 */
	--font-display: "Cormorant Garamond", "Noto Serif SC", "Songti SC", "SimSun", serif;
	--font-body: "Jost", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;

	/* 动效曲线 */
	--ease-out: cubic-bezier(0.22, 1, 0.36, 1);
	--ease-lux: cubic-bezier(0.65, 0, 0.35, 1);

	/* 布局 */
	--container: 1240px;
	--gutter: clamp(20px, 4vw, 48px);
	--header-h: 76px;
	--topbar-h: 38px;
}

/* 中文语境：标题数字与汉字统一使用中文字体，避免混合基线错位 */
html[lang|="zh"] body {
	--font-display: "Noto Serif SC", "Cormorant Garamond", "Songti SC", serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
	margin: 0;
	font-family: var(--font-body);
	font-weight: 400;
	font-size: 16.5px;
	line-height: 1.75;
	color: var(--text);
	background: var(--white);
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
	overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p { margin: 0 0 1em; }
h1, h2, h3, h4, h5, h6 { margin: 0 0 0.5em; font-family: var(--font-display); font-weight: 600; line-height: 1.15; color: var(--ink); }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; }

/* 工具 */
.container { width: min(var(--container), calc(100% - var(--gutter) * 2)); margin-inline: auto; }
.container--narrow { width: min(820px, calc(100% - var(--gutter) * 2)); }
.screen-reader-text {
	border: 0; clip: rect(1px, 1px, 1px, 1px); clip-path: inset(50%); height: 1px;
	margin: -1px; overflow: hidden; padding: 0; position: absolute; width: 1px; word-wrap: normal !important;
}
.skip-link { position: absolute; top: -48px; left: 8px; z-index: 1000; background: var(--ink); color: #fff; padding: 8px 16px; border-radius: 4px; transition: top 0.2s; }
.skip-link:focus { top: 8px; }

/* ---------- 按钮 ---------- */
.btn {
	display: inline-flex; align-items: center; justify-content: center; gap: 10px;
	padding: 15px 34px; border: 1px solid transparent; border-radius: 2px;
	font-family: var(--font-body); font-size: 14px; font-weight: 500;
	letter-spacing: 0.14em; text-transform: uppercase; line-height: 1;
	position: relative; overflow: hidden; isolation: isolate;
	transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out), color 0.35s, border-color 0.35s, background 0.35s;
}
.btn svg { width: 17px; height: 17px; fill: currentColor; transition: transform 0.35s var(--ease-out); }
.btn:hover svg { transform: translateX(4px); }
.btn::after {
	content: ""; position: absolute; inset: 0; z-index: -1;
	background: linear-gradient(100deg, transparent 20%, rgba(255, 255, 255, 0.35) 50%, transparent 80%);
	transform: translateX(-110%); transition: transform 0.7s var(--ease-out);
}
.btn:hover::after { transform: translateX(110%); }
.btn:active { transform: scale(0.97); }

.btn--gold { background: linear-gradient(135deg, var(--gold-2), var(--gold) 55%, var(--gold-deep)); color: var(--ink-deep); box-shadow: 0 10px 26px -10px rgba(198, 161, 91, 0.55); }
.btn--gold:hover { box-shadow: 0 16px 34px -10px rgba(198, 161, 91, 0.7); transform: translateY(-2px); }
.btn--ghost { border-color: var(--line-light); color: #fff; background: rgba(255, 255, 255, 0.04); backdrop-filter: blur(6px); }
.btn--ghost:hover { background: rgba(255, 255, 255, 0.1); transform: translateY(-2px); }
.btn--ghost-light { border-color: rgba(255, 255, 255, 0.45); color: #fff; }
.btn--ghost-light:hover { background: #fff; color: var(--ink); transform: translateY(-2px); }
.btn--outline { border-color: var(--ink); color: var(--ink); }
.btn--outline:hover { background: var(--ink); color: #fff; transform: translateY(-2px); }
.btn--sm { padding: 11px 22px; font-size: 12.5px; }
.btn--block { width: 100%; }
.btn--whatsapp { background: #25d366; color: #06331a; box-shadow: 0 10px 26px -10px rgba(37, 211, 102, 0.55); }
.btn--whatsapp:hover { transform: translateY(-2px); box-shadow: 0 16px 34px -10px rgba(37, 211, 102, 0.7); }
.btn--whatsapp-outline { border-color: #25d366; color: #128c4b; }
.btn--whatsapp-outline svg { fill: #25d366; }
.btn--whatsapp-outline:hover { background: #25d366; color: #06331a; transform: translateY(-2px); }
.btn--whatsapp-outline:hover svg { fill: #06331a; }

/* ---------- 渐进式动效（IntersectionObserver 触发） ---------- */
.reveal {
	opacity: 0;
	transform: translateY(38px);
	transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
	transition-delay: var(--d, 0ms);
	will-change: opacity, transform;
}
.reveal--left { transform: translateX(-48px); }
.reveal--right { transform: translateX(48px); }
.reveal--zoom { transform: scale(0.92); }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
	.reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
	html { scroll-behavior: auto; }
}

/* ---------- 预加载遮罩 ---------- */
.preloader {
	position: fixed; inset: 0; z-index: 9999; display: flex; align-items: center; justify-content: center;
	background: var(--ink-deep); transition: opacity 0.7s var(--ease-out), visibility 0.7s;
}
.preloader.is-done { opacity: 0; visibility: hidden; pointer-events: none; }
.preloader__mark { width: 64px; height: 64px; color: var(--gold); animation: preloaderPulse 1.4s var(--ease-lux) infinite alternate; }
.preloader__mark svg { width: 100%; height: 100%; }
@keyframes preloaderPulse { from { opacity: 0.35; transform: scale(0.92); } to { opacity: 1; transform: scale(1); } }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 900; background: var(--white); transition: background 0.4s, box-shadow 0.4s; }
.site-header.is-scrolled { box-shadow: 0 10px 40px -18px rgba(11, 27, 43, 0.25); }

/* 首页顶部透明模式 */
.site-header--overlay { position: fixed; left: 0; right: 0; top: 0; background: transparent; }
.site-header--overlay .topbar { background: rgba(7, 18, 30, 0.5); backdrop-filter: blur(8px); border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.site-header--overlay .topbar__item, .site-header--overlay .topbar__item a { color: rgba(255, 255, 255, 0.75); }
.site-header--overlay .topbar__item svg { fill: var(--gold-2); }
.site-header--overlay .navbar { background: transparent; }
.site-header--overlay .brand-mark, .site-header--overlay .primary-nav__list > li > a { color: #fff; }
.site-header--overlay .primary-nav__list > li > a::before { background: var(--gold-2); }
.site-header--overlay.is-scrolled { background: rgba(7, 18, 30, 0.92); backdrop-filter: blur(14px); }
.site-header--overlay.is-scrolled .topbar { display: none; }
.site-header--overlay .nav-toggle span { background: #fff; }

.topbar { position: relative; z-index: 1001; background: var(--ink-deep); color: var(--dark-muted); font-size: 13px; letter-spacing: 0.04em; }
.topbar__inner { display: flex; justify-content: space-between; align-items: center; min-height: var(--topbar-h); }
.topbar__left { display: flex; gap: 26px; }
.topbar__item { display: inline-flex; align-items: center; gap: 8px; }
.topbar__item svg { width: 14px; height: 14px; fill: var(--gold); }
.topbar__item--email { display: none; }
@media (min-width: 640px) { .topbar__item--email { display: inline-flex; } }
.topbar__item a:hover { color: var(--gold-2); }

/* 语言切换（EN / ZH 文字样式） */
.lang-switch { display: inline-flex; align-items: center; gap: 8px; }
.lang-switch__item { opacity: 0.6; transition: opacity 0.2s; letter-spacing: 0.12em; font-weight: 500; }
.lang-switch__item:hover, .lang-switch__item.is-active { opacity: 1; }
.lang-switch__item.is-active { color: var(--gold-2); }
.lang-switch__sep { opacity: 0.3; }

.navbar { background: var(--white); transition: background 0.4s, padding 0.4s; }
.site-header.is-scrolled .navbar { padding-block: 4px; }
.navbar__inner { display: flex; align-items: center; justify-content: space-between; min-height: var(--header-h); gap: 24px; }

.brand-mark { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); }
.brand-mark__sigil { width: 38px; height: 38px; color: var(--gold); transition: transform 0.5s var(--ease-out); }
.brand-mark:hover .brand-mark__sigil { transform: rotate(-6deg) scale(1.05); }
.brand-mark__sigil svg { width: 100%; height: 100%; }
.brand-mark__text { font-family: var(--font-body); font-weight: 600; font-size: 21px; letter-spacing: 0.22em; display: flex; flex-direction: column; line-height: 1.1; }
.brand-mark__text em { font-style: normal; font-weight: 400; font-size: 11px; letter-spacing: 0.3em; color: var(--muted); }
.custom-logo { max-height: 54px; width: auto; }

.primary-nav__list { display: flex; align-items: center; gap: clamp(18px, 2.6vw, 40px); }
.primary-nav__list > li > a {
	position: relative; display: inline-block; padding: 10px 2px;
	font-size: 14.5px; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase;
	color: var(--ink); transition: color 0.25s;
}
.primary-nav__list > li > a::before {
	content: ""; position: absolute; left: 0; bottom: 2px; width: 100%; height: 2px;
	background: var(--gold); transform: scaleX(0); transform-origin: right;
	transition: transform 0.4s var(--ease-out);
}
.primary-nav__list > li > a:hover::before,
.primary-nav__list > li > a:hover,
.primary-nav__list > li.is-active > a { color: var(--gold-deep); }
.primary-nav__list > li > a:hover::before,
.primary-nav__list > li.is-active > a::before { transform: scaleX(1); transform-origin: left; }

.navbar__actions { display: flex; align-items: center; gap: 18px; }
.navbar__cta { white-space: nowrap; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--ink); transition: transform 0.3s var(--ease-out), opacity 0.3s; }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 1024px) {
	.nav-toggle { display: flex; }
	.navbar__cta { display: none; }
	.primary-nav {
		position: fixed; inset: 0; z-index: -1; padding-top: calc(var(--header-h) + 20px);
		background: rgba(7, 18, 30, 0.98); backdrop-filter: blur(16px);
		opacity: 0; visibility: hidden; transition: opacity 0.45s var(--ease-out), visibility 0.45s;
		overflow-y: auto;
	}
	.primary-nav.is-open { opacity: 1; visibility: visible; z-index: 1; }
	.primary-nav__list { flex-direction: column; align-items: flex-start; gap: 0; padding: 24px var(--gutter); }
	.primary-nav__list > li { width: 100%; border-bottom: 1px solid rgba(255, 255, 255, 0.08); opacity: 0; transform: translateY(18px); }
	.primary-nav.is-open .primary-nav__list > li { animation: navItemIn 0.55s var(--ease-out) forwards; }
	.primary-nav.is-open .primary-nav__list > li:nth-child(1) { animation-delay: 0.08s; }
	.primary-nav.is-open .primary-nav__list > li:nth-child(2) { animation-delay: 0.15s; }
	.primary-nav.is-open .primary-nav__list > li:nth-child(3) { animation-delay: 0.22s; }
	.primary-nav.is-open .primary-nav__list > li:nth-child(4) { animation-delay: 0.29s; }
	.primary-nav.is-open .primary-nav__list > li:nth-child(5) { animation-delay: 0.36s; }
	.primary-nav__list > li > a { color: #fff; font-size: 20px; padding: 18px 4px; display: block; width: 100%; }
	@keyframes navItemIn { to { opacity: 1; transform: none; } }
}

/* ---------- Hero 轮播 ---------- */
.hero { position: relative; height: 100svh; min-height: 640px; max-height: 1080px; background: var(--ink-deep); overflow: hidden; }
.hero__slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity 1.2s var(--ease-lux), visibility 1.2s; }
.hero__slide.is-active { opacity: 1; visibility: visible; z-index: 2; }
.hero__media {
	position: absolute; inset: 0; background-size: cover; background-position: center;
	transform: scale(1.14);
}
.hero__slide.is-active .hero__media { animation: kenburns 8.5s var(--ease-out) forwards; }
@keyframes kenburns { from { transform: scale(1.14) translateY(18px); } to { transform: scale(1.02) translateY(0); } }
.hero__veil {
	position: absolute; inset: 0;
	background:
		linear-gradient(78deg, rgba(7, 18, 30, 0.9) 8%, rgba(7, 18, 30, 0.55) 42%, rgba(7, 18, 30, 0.18) 72%),
		linear-gradient(to top, rgba(7, 18, 30, 0.85), transparent 40%);
}
.hero__content {
	position: relative; z-index: 3; height: 100%;
	display: flex; flex-direction: column; justify-content: center;
	padding-top: calc(var(--header-h) + var(--topbar-h));
	color: #fff;
}
.hero__kicker {
	display: flex; align-items: center; gap: 14px;
	font-size: 14px; font-weight: 500; letter-spacing: 0.34em; text-transform: uppercase;
	color: var(--gold-2); margin-bottom: 26px;
	opacity: 0; transform: translateY(24px);
}
.hero__slide.is-active .hero__kicker { animation: heroIn 0.9s var(--ease-out) 0.35s forwards; }
.hero__kicker-line { width: 56px; height: 1px; background: var(--gold); transform: scaleX(0); transform-origin: left; }
.hero__slide.is-active .hero__kicker-line { animation: lineGrow 0.9s var(--ease-out) 0.5s forwards; }
@keyframes lineGrow { to { transform: scaleX(1); } }
@keyframes heroIn { to { opacity: 1; transform: none; } }

.hero__title {
	font-size: clamp(44px, 7.2vw, 96px);
	font-weight: 600; line-height: 1.04; letter-spacing: 0.01em; color: #fff;
	max-width: 15ch; margin-bottom: 40px;
}
.hero__line { display: block; overflow: hidden; padding-bottom: 0.12em; margin-bottom: -0.12em; }
.hero__line > span { display: block; transform: translateY(110%); }
.hero__slide.is-active .hero__line > span { animation: lineUp 1.1s var(--ease-out) 0.5s forwards; }
@keyframes lineUp { to { transform: translateY(0); } }
.hero__actions { display: flex; flex-wrap: wrap; gap: 16px; opacity: 0; transform: translateY(24px); }
.hero__slide.is-active .hero__actions { animation: heroIn 0.9s var(--ease-out) 0.85s forwards; }

.hero__ui { position: absolute; left: 0; right: 0; bottom: 0; z-index: 5; }
.hero__ui-inner { display: flex; align-items: center; justify-content: space-between; padding-bottom: 34px; gap: 20px; }
.hero__counter { display: flex; align-items: baseline; gap: 10px; font-family: var(--font-display); color: rgba(255, 255, 255, 0.85); }
.hero__counter-current { font-size: 30px; color: var(--gold-2); }
.hero__counter-sep { width: 40px; height: 1px; background: rgba(255, 255, 255, 0.35); align-self: center; }
.hero__counter-total { font-size: 16px; opacity: 0.6; }

.hero__dots { display: flex; gap: 10px; }
.hero__dot { width: 34px; height: 3px; border: 0; padding: 0; background: rgba(255, 255, 255, 0.25); position: relative; overflow: hidden; transition: background 0.3s; }
.hero__dot.is-active { background: rgba(255, 255, 255, 0.35); }
.hero__dot::after { content: ""; position: absolute; inset: 0; background: var(--gold-2); transform: scaleX(0); transform-origin: left; }
.hero__dot.is-active::after { animation: dotFill var(--hero-duration, 6s) linear forwards; }
@keyframes dotFill { to { transform: scaleX(1); } }

.hero__arrows { display: flex; gap: 10px; }
.hero__arrow {
	width: 52px; height: 52px; border: 1px solid rgba(255, 255, 255, 0.3); border-radius: 50%;
	background: transparent; display: grid; place-items: center;
	transition: background 0.3s, border-color 0.3s, transform 0.3s var(--ease-out);
}
.hero__arrow svg { width: 22px; height: 22px; fill: #fff; transition: transform 0.3s var(--ease-out); }
.hero__arrow:hover { background: var(--gold); border-color: var(--gold); transform: translateY(-3px); }
.hero__arrow:hover svg { fill: var(--ink-deep); }
.hero__arrow--prev:hover svg { transform: translateX(-3px); }
.hero__arrow--next:hover svg { transform: translateX(3px); }

.hero__progress { height: 3px; background: rgba(255, 255, 255, 0.12); }
.hero__progress span { display: block; height: 100%; width: 100%; background: linear-gradient(90deg, var(--gold), var(--gold-2)); transform: scaleX(0); transform-origin: left; }
.hero__progress.is-running span { animation: progressRun var(--hero-duration, 6s) linear forwards; }
@keyframes progressRun { from { transform: scaleX(0); } to { transform: scaleX(1); } }

@media (max-width: 768px) {
	.hero__ui-inner { padding-bottom: 22px; }
	.hero__counter { display: none; }
	.hero { min-height: 560px; }
}

/* ---------- 产品动态滚动 Marquee ---------- */
.marquee-band { background: var(--ink-deep); border-block: 1px solid rgba(255, 255, 255, 0.06); padding-block: 26px; }
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee__track { display: flex; align-items: center; gap: clamp(28px, 4vw, 56px); width: max-content; animation: marqueeScroll var(--marquee-duration, 42s) linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes marqueeScroll { to { transform: translateX(-50%); } }
.marquee__item { display: flex; align-items: center; gap: 16px; }
.marquee__thumb {
	width: 64px; height: 64px; border-radius: 4px; background-size: cover; background-position: center;
	border: 1px solid rgba(198, 161, 91, 0.4); flex: none;
	transition: transform 0.4s var(--ease-out), border-color 0.3s;
}
.marquee__item:hover .marquee__thumb { transform: scale(1.08) rotate(-2deg); border-color: var(--gold-2); }
.marquee__label {
	color: rgba(255, 255, 255, 0.85); font-family: var(--font-display); font-size: 20px;
	letter-spacing: 0.04em; white-space: nowrap; transition: color 0.3s;
}
.marquee__item:hover .marquee__label { color: var(--gold-2); }

/* ---------- 通用 Section ---------- */
.section { padding-block: clamp(72px, 9vw, 130px); }
.section--paper { background: var(--paper); position: relative; }
.section--paper::before {
	content: ""; position: absolute; inset: 0; pointer-events: none;
	background-image: radial-gradient(rgba(11, 27, 43, 0.055) 1px, transparent 1px);
	background-size: 26px 26px;
}
.section--paper > .container { position: relative; }

.kicker {
	display: flex; align-items: center; gap: 12px;
	font-size: 13.5px; font-weight: 500; letter-spacing: 0.3em; text-transform: uppercase;
	color: var(--gold-deep); margin-bottom: 16px;
}
.kicker span { width: 40px; height: 1px; background: var(--gold); }
.section-title { font-size: clamp(32px, 4.4vw, 54px); letter-spacing: 0.01em; }
.section-lead { font-size: clamp(16px, 1.4vw, 18.5px); color: var(--muted); max-width: 62ch; }

.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: clamp(36px, 5vw, 64px); }
.section-head--center { flex-direction: column; align-items: center; text-align: center; }
.section-head--center .kicker { justify-content: center; }
.link-arrow {
	display: inline-flex; align-items: center; gap: 10px;
	font-size: 14px; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase;
	color: var(--ink); padding-bottom: 6px; border-bottom: 1px solid var(--line);
	transition: color 0.3s, border-color 0.3s;
}
.link-arrow svg { width: 18px; height: 18px; fill: currentColor; transition: transform 0.3s var(--ease-out); }
.link-arrow:hover { color: var(--gold-deep); border-color: var(--gold); }
.link-arrow:hover svg { transform: translateX(5px); }

/* ---------- 首页关于 ---------- */
.home-about__grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(40px, 6vw, 96px); align-items: center; }
@media (max-width: 900px) { .home-about__grid { grid-template-columns: 1fr; } }
.home-about__media { position: relative; }
.home-about__img-wrap { position: relative; overflow: hidden; border-radius: 4px; }
.home-about__img-wrap::after {
	content: ""; position: absolute; inset: 18px; border: 1px solid rgba(227, 199, 138, 0.55);
	border-radius: 2px; pointer-events: none; transition: inset 0.6s var(--ease-out);
}
.home-about__media:hover .home-about__img-wrap::after { inset: 10px; }
.home-about__img-wrap img { width: 100%; aspect-ratio: 4 / 3.4; object-fit: cover; transition: transform 1.2s var(--ease-out); }
.home-about__media:hover img { transform: scale(1.05); }
.home-about__badge {
	position: absolute; right: -18px; bottom: -24px; z-index: 2;
	background: linear-gradient(140deg, var(--ink-2), var(--ink-deep)); color: #fff;
	padding: 22px 26px; border-radius: 4px; box-shadow: 0 24px 50px -20px rgba(7, 18, 30, 0.55);
	display: flex; flex-direction: column; gap: 2px; min-width: 150px;
}
.home-about__badge::before { content: ""; position: absolute; inset: 6px; border: 1px solid rgba(198, 161, 91, 0.4); border-radius: 2px; pointer-events: none; }
.home-about__badge-num { font-family: var(--font-display); font-size: 44px; font-weight: 600; color: var(--gold-2); line-height: 1; }
.home-about__badge-num em { font-style: normal; }
.home-about__badge-label { font-size: 12.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--dark-muted); }
@media (max-width: 560px) { .home-about__badge { right: 8px; bottom: -18px; } }

.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px 40px; margin-block: 40px; }
.stat { display: flex; flex-direction: column; }
.stat__num { font-family: var(--font-display); font-size: clamp(38px, 4vw, 56px); font-weight: 600; color: var(--ink); line-height: 1; position: relative; padding-left: 18px; }
.stat__num::before { content: ""; position: absolute; left: 0; top: 6px; bottom: 4px; width: 3px; background: linear-gradient(to bottom, var(--gold-2), var(--gold)); }
.stat__label { margin-top: 8px; font-size: 13.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
.stats-band { background: linear-gradient(120deg, var(--ink-2), var(--ink-deep)); padding-block: clamp(44px, 6vw, 72px); }
.stats-band__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 36px; }
@media (max-width: 900px) { .stats-band__grid { grid-template-columns: repeat(2, 1fr); } }
.stat--dark .stat__num { color: var(--gold-2); }
.stat--dark .stat__label { color: var(--dark-muted); }

/* ---------- 卡片网格 ---------- */
.cards-grid { display: grid; gap: clamp(22px, 3vw, 34px); }
.cards-grid--3 { grid-template-columns: repeat(3, 1fr); }
.cards-grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1080px) { .cards-grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 900px) { .cards-grid--3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .cards-grid--3, .cards-grid--4 { grid-template-columns: 1fr; } }

/* 产品卡片 */
.product-card { background: var(--white); border: 1px solid var(--line); border-radius: 4px; overflow: hidden; transition: transform 0.5s var(--ease-out), box-shadow 0.5s var(--ease-out), border-color 0.4s; }
.product-card:hover { transform: translateY(-8px); box-shadow: 0 30px 60px -24px rgba(11, 27, 43, 0.35); border-color: rgba(198, 161, 91, 0.5); }
.product-card__media-link { display: block; position: relative; overflow: hidden; }
.product-card__media { aspect-ratio: 4 / 3; background-size: cover; background-position: center; transition: transform 1s var(--ease-out); }
.product-card:hover .product-card__media { transform: scale(1.06); }
.product-card__veil {
	position: absolute; inset: 0; display: grid; place-items: center;
	background: rgba(7, 18, 30, 0.55); opacity: 0; transition: opacity 0.45s var(--ease-out);
}
.product-card__veil svg { width: 54px; height: 54px; fill: var(--gold-2); transform: translateY(14px) scale(0.85); transition: transform 0.45s var(--ease-out); }
.product-card:hover .product-card__veil { opacity: 1; }
.product-card:hover .product-card__veil svg { transform: none; }
.product-card__body { padding: 22px 24px 26px; }
.product-card__cat { font-size: 12px; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold-deep); margin-bottom: 8px; }
.product-card__title { font-size: 23px; margin-bottom: 4px; }
.product-card__title a { transition: color 0.3s; }
.product-card__title a:hover { color: var(--gold-deep); }
.product-card__model { font-size: 13px; letter-spacing: 0.12em; color: var(--muted); margin-bottom: 8px; }
.product-card__brief { font-size: 15px; color: var(--muted); margin: 0; }

/* 新闻卡片 */
.post-card { background: var(--white); border: 1px solid var(--line); border-radius: 4px; overflow: hidden; transition: transform 0.5s var(--ease-out), box-shadow 0.5s var(--ease-out); }
.post-card:hover { transform: translateY(-8px); box-shadow: 0 30px 60px -24px rgba(11, 27, 43, 0.3); }
.post-card__media-link { position: relative; display: block; overflow: hidden; }
.post-card__media { aspect-ratio: 4 / 2.6; background-size: cover; background-position: center; transition: transform 1s var(--ease-out); }
.post-card:hover .post-card__media { transform: scale(1.06); }
.post-card__date {
	position: absolute; left: 18px; bottom: -20px; z-index: 2;
	background: linear-gradient(140deg, var(--gold-2), var(--gold)); color: var(--ink-deep);
	width: 64px; padding: 10px 4px 12px; text-align: center; border-radius: 3px;
	font-family: var(--font-display); font-size: 26px; font-weight: 700; line-height: 1;
	box-shadow: 0 12px 26px -10px rgba(198, 161, 91, 0.6);
}
.post-card__date em { display: block; font-style: normal; font-family: var(--font-body); font-size: 11px; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; margin-top: 4px; }
.post-card__body { padding: 38px 24px 26px; }
.post-card__meta { display: flex; align-items: center; gap: 12px; font-size: 12.5px; letter-spacing: 0.08em; color: var(--muted); text-transform: uppercase; margin-bottom: 10px; }
.post-card__cat { color: var(--gold-deep); font-weight: 600; }
.post-card__title { font-size: 22px; line-height: 1.3; }
.post-card__title a { transition: color 0.3s; }
.post-card__title a:hover { color: var(--gold-deep); }
.post-card__excerpt { font-size: 15px; color: var(--muted); }
.post-card__more { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink); transition: color 0.3s; }
.post-card__more svg { width: 16px; height: 16px; fill: currentColor; transition: transform 0.3s var(--ease-out); }
.post-card__more:hover { color: var(--gold-deep); }
.post-card__more:hover svg { transform: translateX(4px); }

/* ---------- 价值观卡片 ---------- */
.value-card { text-align: center; padding: 40px 26px; background: var(--white); border: 1px solid var(--line); border-radius: 4px; position: relative; overflow: hidden; transition: transform 0.5s var(--ease-out), box-shadow 0.5s var(--ease-out); }
.value-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--gold-2), var(--gold)); transform: scaleX(0); transition: transform 0.5s var(--ease-out); }
.value-card:hover { transform: translateY(-8px); box-shadow: 0 26px 54px -22px rgba(11, 27, 43, 0.3); }
.value-card:hover::before { transform: scaleX(1); }
.value-card__icon {
	width: 68px; height: 68px; margin: 0 auto 22px; display: grid; place-items: center;
	border-radius: 50%; background: rgba(198, 161, 91, 0.12); color: var(--gold-deep);
	transition: background 0.4s, color 0.4s, transform 0.5s var(--ease-out);
}
.value-card__icon svg { width: 30px; height: 30px; fill: currentColor; }
.value-card:hover .value-card__icon { background: var(--gold); color: var(--ink-deep); transform: rotateY(180deg); }
.value-card__title { font-size: 22px; }
.value-card__text { font-size: 14.5px; color: var(--muted); margin: 0; }

/* ---------- CTA 横幅 ---------- */
.cta-band { background: linear-gradient(115deg, var(--ink-2) 10%, var(--ink-deep) 90%); color: #fff; padding-block: clamp(56px, 7vw, 90px); position: relative; overflow: hidden; }
.cta-band__glow { position: absolute; width: 640px; height: 640px; border-radius: 50%; background: radial-gradient(circle, rgba(198, 161, 91, 0.28), transparent 65%); top: -260px; right: -140px; pointer-events: none; }
.cta-band__inner { display: flex; align-items: center; justify-content: space-between; gap: 36px; flex-wrap: wrap; position: relative; }
.cta-band__title { color: #fff; font-size: clamp(30px, 4vw, 50px); margin-bottom: 8px; }
.cta-band__text { color: var(--dark-muted); font-size: 17px; margin: 0; max-width: 56ch; }
.cta-band__actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink-deep); color: var(--dark-muted); font-size: 15px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: clamp(32px, 4vw, 64px); padding-block: clamp(56px, 7vw, 88px) 48px; }
@media (max-width: 1080px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-col__title { color: #fff; font-family: var(--font-body); font-size: 14px; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 22px; position: relative; padding-bottom: 12px; }
.footer-col__title::after { content: ""; position: absolute; left: 0; bottom: 0; width: 28px; height: 2px; background: var(--gold); }
.brand-mark--footer { color: #fff; margin-bottom: 18px; }
.brand-mark--footer .brand-mark__text em { color: var(--dark-muted); }
.footer-intro { margin: 0; max-width: 40ch; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { position: relative; transition: color 0.25s, padding-left 0.25s; }
.footer-links a::before { content: "—"; position: absolute; left: -22px; opacity: 0; color: var(--gold); transition: opacity 0.25s, left 0.25s; }
.footer-links a:hover { color: var(--gold-2); padding-left: 8px; }
.footer-links a:hover::before { opacity: 1; left: 0; }
.footer-contact li { display: flex; gap: 12px; margin-bottom: 16px; align-items: flex-start; }
.footer-contact svg { width: 17px; height: 17px; fill: var(--gold); flex: none; margin-top: 4px; }
.footer-contact a:hover { color: var(--gold-2); }
.footer-whatsapp { display: inline-flex; align-items: center; gap: 10px; color: #7fe0a8; font-weight: 500; }
.footer-whatsapp:hover { color: #25d366; }
.social-links { display: flex; gap: 12px; margin-top: 24px; }
.social-links__item {
	width: 42px; height: 42px; display: grid; place-items: center;
	border: 1px solid var(--line-light); border-radius: 50%; color: var(--dark-muted);
	transition: all 0.35s var(--ease-out);
}
.social-links__item svg { width: 17px; height: 17px; fill: currentColor; }
.social-links__item:hover { background: var(--gold); border-color: var(--gold); color: var(--ink-deep); transform: translateY(-4px); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); padding-block: 22px; font-size: 13.5px; }
.footer-bottom__inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-bottom p { margin: 0; }

/* WhatsApp 浮动按钮 & 返回顶部 */
.wa-float {
	position: fixed; right: 26px; bottom: 26px; z-index: 800;
	width: 58px; height: 58px; border-radius: 50%; background: #25d366;
	display: grid; place-items: center; box-shadow: 0 14px 34px -8px rgba(37, 211, 102, 0.6);
	transition: transform 0.35s var(--ease-out), box-shadow 0.35s;
}
.wa-float svg { width: 30px; height: 30px; fill: #fff; }
.wa-float::before { content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px solid #25d366; animation: waPing 2s var(--ease-out) infinite; }
@keyframes waPing { 0% { transform: scale(1); opacity: 0.8; } 100% { transform: scale(1.55); opacity: 0; } }
.wa-float:hover { transform: translateY(-5px) scale(1.05); box-shadow: 0 20px 44px -8px rgba(37, 211, 102, 0.75); }

.to-top {
	position: fixed; right: 32px; bottom: 100px; z-index: 800;
	width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--line);
	background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(6px); color: var(--ink);
	display: grid; place-items: center; opacity: 0; visibility: hidden; transform: translateY(14px);
	transition: all 0.4s var(--ease-out);
}
.to-top svg { width: 20px; height: 20px; fill: currentColor; }
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--ink); color: #fff; border-color: var(--ink); }

/* ---------- 内页页头 ---------- */
.page-hero { position: relative; min-height: clamp(320px, 42vw, 460px); display: flex; align-items: center; overflow: hidden; background: var(--ink-deep); }
.page-hero__media { position: absolute; inset: 0; background-size: cover; background-position: center; transform: scale(1.1); animation: heroBgIn 1.6s var(--ease-out) forwards; }
@keyframes heroBgIn { to { transform: scale(1); } }
.page-hero__veil { position: absolute; inset: 0; background: linear-gradient(80deg, rgba(7, 18, 30, 0.9) 10%, rgba(7, 18, 30, 0.5) 60%, rgba(7, 18, 30, 0.35)); }
.page-hero__content { position: relative; z-index: 2; padding-block: 60px; }
.page-hero__title { color: #fff; font-size: clamp(36px, 5.4vw, 68px); margin-bottom: 16px; }
.page-hero__title .hero__line > span { transform: translateY(110%); animation: lineUp 1s var(--ease-out) 0.25s forwards; }
.page-hero__crumb { display: flex; align-items: center; gap: 12px; color: var(--dark-muted); font-size: 14px; letter-spacing: 0.08em; text-transform: uppercase; opacity: 0; animation: heroIn 0.8s var(--ease-out) 0.6s forwards; margin: 0; }
.page-hero__crumb a:hover { color: var(--gold-2); }
.page-hero__crumb em { font-style: normal; color: var(--gold-2); }
.page-hero__kicker { color: var(--gold-2); letter-spacing: 0.2em; text-transform: uppercase; font-size: 14px; margin-bottom: 10px; }
.page-hero--plain { min-height: clamp(280px, 36vw, 400px); }

/* ---------- 产品中心 ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: clamp(30px, 4vw, 48px); }
.filter-bar__btn {
	padding: 11px 26px; border: 1px solid var(--line); border-radius: 100px;
	background: transparent; color: var(--text); font-size: 14px; letter-spacing: 0.06em;
	transition: all 0.35s var(--ease-out);
}
.filter-bar__btn:hover { border-color: var(--gold); color: var(--gold-deep); }
.filter-bar__btn.is-active { background: var(--ink); border-color: var(--ink); color: #fff; }
.products-grid__item { transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out); }
.products-grid__item.is-hidden { display: none; }
.empty-state { text-align: center; padding-block: 80px; color: var(--muted); }
.empty-state h1 { font-size: 40px; }

/* ---------- 产品详情 ---------- */
.breadcrumb { display: flex; align-items: center; gap: 10px; font-size: 13.5px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); margin-bottom: 34px; }
.breadcrumb a:hover { color: var(--gold-deep); }
.breadcrumb em { font-style: normal; color: var(--ink); }
.product-single__grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(36px, 5vw, 80px); align-items: start; }
@media (max-width: 900px) { .product-single__grid { grid-template-columns: 1fr; } }
.product-single__img { aspect-ratio: 1; border-radius: 4px; background-size: cover; background-position: center; border: 1px solid var(--line); box-shadow: 0 40px 80px -40px rgba(11, 27, 43, 0.4); }
.product-single__title { font-size: clamp(34px, 4.4vw, 56px); }
.product-single__model { font-family: var(--font-display); font-size: 24px; color: var(--gold-deep); margin-bottom: 18px; }
.product-single__brief { font-size: 17px; color: var(--muted); margin-bottom: 34px; }
.product-single__actions { display: flex; flex-wrap: wrap; gap: 14px; }
.product-specs { margin-top: clamp(48px, 6vw, 80px); }
.product-specs__title { font-size: 30px; margin-bottom: 24px; }
.product-specs__table { width: 100%; border-collapse: collapse; border: 1px solid var(--line); }
.product-specs__table tr { transition: background 0.25s; }
.product-specs__table tr:nth-child(odd) { background: var(--paper); }
.product-specs__table tr:hover { background: rgba(198, 161, 91, 0.08); }
.product-specs__table th { text-align: left; padding: 15px 22px; width: 32%; font-weight: 500; letter-spacing: 0.06em; color: var(--ink); border-bottom: 1px solid var(--line); }
.product-specs__table td { padding: 15px 22px; color: var(--muted); border-bottom: 1px solid var(--line); }
.product-single__content { margin-top: clamp(48px, 6vw, 72px); }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(40px, 5vw, 80px); align-items: start; }
@media (max-width: 980px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-cards { display: grid; gap: 8px; margin-top: 30px; }
.contact-card { display: flex; gap: 18px; padding: 18px 16px; border-radius: 4px; transition: background 0.3s, transform 0.4s var(--ease-out); }
.contact-card:hover { background: var(--paper); transform: translateX(6px); }
.contact-card__icon {
	width: 50px; height: 50px; flex: none; display: grid; place-items: center;
	background: rgba(198, 161, 91, 0.12); border-radius: 50%; color: var(--gold-deep);
}
.contact-card__icon svg { width: 22px; height: 22px; fill: currentColor; }
.contact-card h4 { font-family: var(--font-body); font-size: 13px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.contact-card p { margin: 0; color: var(--ink); font-size: 16px; }
.contact-card a:hover { color: var(--gold-deep); }
.wa-card {
	display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
	margin-top: 28px; padding: 24px 26px; border-radius: 4px;
	background: linear-gradient(120deg, rgba(37, 211, 102, 0.1), rgba(37, 211, 102, 0.04));
	border: 1px solid rgba(37, 211, 102, 0.3);
}
.wa-card h4 { display: flex; align-items: center; gap: 8px; font-family: var(--font-body); font-size: 15px; letter-spacing: 0.1em; text-transform: uppercase; color: #128c4b; margin-bottom: 6px; }
.wa-card h4 svg { width: 20px; height: 20px; fill: #25d366; }
.wa-card p { margin: 0; font-size: 14.5px; color: var(--muted); }

.contact-form-card { background: var(--white); border: 1px solid var(--line); border-radius: 6px; padding: clamp(28px, 4vw, 48px); box-shadow: 0 44px 90px -50px rgba(11, 27, 43, 0.45); position: relative; overflow: hidden; }
.contact-form-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--gold-2), var(--gold), var(--gold-deep)); }
.contact-form-card__title { font-size: 32px; }
.contact-form-card__note { font-size: 14px; color: var(--muted); margin-bottom: 28px; }
.form-row--2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 560px) { .form-row--2 { grid-template-columns: 1fr; } }
.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-size: 13px; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.form-field input, .form-field textarea {
	width: 100%; padding: 14px 16px; border: 1px solid var(--line); border-radius: 3px;
	background: var(--paper); font-size: 15.5px; color: var(--text);
	transition: border-color 0.3s, background 0.3s, box-shadow 0.3s;
}
.form-field input:focus, .form-field textarea:focus { outline: none; border-color: var(--gold); background: #fff; box-shadow: 0 0 0 4px rgba(198, 161, 91, 0.15); }
.form-field input.is-invalid, .form-field textarea.is-invalid { border-color: #d24d4d; }
.meridian-hp { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; }
.btn__spinner { display: none; width: 16px; height: 16px; border: 2px solid rgba(7, 18, 30, 0.3); border-top-color: var(--ink-deep); border-radius: 50%; animation: spin 0.7s linear infinite; }
.btn.is-loading .btn__spinner { display: inline-block; }
.btn.is-loading .btn__label { opacity: 0.7; }
@keyframes spin { to { transform: rotate(360deg); } }
.form-status { min-height: 24px; font-size: 14.5px; margin: 14px 0 0; }
.form-status.is-success { color: #128c4b; }
.form-status.is-error { color: #d24d4d; }
.map-section { background: var(--paper); }
.map-section iframe { display: block; width: 100%; height: 420px; border: 0; filter: grayscale(0.2); }

/* ---------- 正文排版 ---------- */
.entry-content-wrap { font-size: 17px; }
.entry-content-wrap > p:first-child { font-size: 19px; color: var(--muted); }
.entry-content h2, .entry-content h3, .entry-content h4 { margin-top: 1.6em; }
.entry-content h2 { font-size: 32px; }
.entry-content h3 { font-size: 25px; }
.entry-content a:not(.btn) { color: var(--gold-deep); border-bottom: 1px solid rgba(198, 161, 91, 0.5); transition: border-color 0.2s; }
.entry-content a:not(.btn):hover { border-color: var(--gold-deep); }
.entry-content img { border-radius: 4px; margin-block: 1.4em; }
.entry-content ul, .entry-content ol { padding-left: 1.3em; margin-block: 1.2em; }
.entry-content ul li { list-style: none; position: relative; padding-left: 1.2em; margin-bottom: 0.5em; }
.entry-content ul li::before { content: "—"; position: absolute; left: 0; color: var(--gold); }
.entry-content ol { list-style: decimal; }
.entry-content blockquote {
	margin: 2em 0; padding: 24px 30px; border-left: 3px solid var(--gold);
	background: var(--paper); font-family: var(--font-display); font-size: 21px; font-style: italic;
}
.entry-content table { width: 100%; border-collapse: collapse; margin-block: 1.5em; }
.entry-content th, .entry-content td { padding: 12px 16px; border: 1px solid var(--line); text-align: left; }
.entry-content th { background: var(--paper); }

/* ---------- 分页 ---------- */
.pagination-wrap { margin-top: clamp(40px, 5vw, 64px); }
.page-numbers { display: inline-flex; align-items: center; justify-content: center; min-width: 44px; height: 44px; padding: 0 12px; margin: 0 4px; border: 1px solid var(--line); border-radius: 3px; font-size: 14.5px; transition: all 0.3s var(--ease-out); }
.page-numbers svg { width: 16px; height: 16px; fill: currentColor; }
.page-numbers.current { background: var(--ink); border-color: var(--ink); color: #fff; }
.page-numbers:not(.current):not(.dots):hover { border-color: var(--gold); color: var(--gold-deep); transform: translateY(-2px); }

/* ---------- 404 ---------- */
.error-404__code { font-family: var(--font-display); font-size: clamp(90px, 14vw, 180px); font-weight: 700; line-height: 1; color: transparent; -webkit-text-stroke: 1.5px var(--gold); margin-bottom: 8px; }

/* ---------- WordPress 兼容微调 ---------- */
.alignwide { width: min(1100px, calc(100% - var(--gutter) * 2)); margin-inline: auto; }
.alignfull { width: 100%; }
.screen-reader-text:focus {
	clip: auto; clip-path: none; height: auto; width: auto; z-index: 100000;
}
body.admin-bar .site-header--overlay { top: 32px; }
@media (max-width: 782px) { body.admin-bar .site-header--overlay { top: 46px; } }