/* =============================================================
   ORIGO Medical - 前台样式 v2（编辑式高端医疗风格）
   设计语言：暖白底 + 墨绿 + 铜金点缀 / 衬线标题 / 细线边框 / 直角
   ============================================================= */
:root {
    --green-950: #0B2E24;
    --green-900: #0E3B2E;
    --green-800: #125140;
    --green-700: #1A6B52;
    --gold-500: #B98A4E;
    --gold-600: #A5763C;
    --ink: #222823;
    --muted: #5D6A62;
    --faint: #8B968E;
    --paper: #FAF9F6;
    --paper-2: #F2F0EA;
    --white: #FFFFFF;
    --line: #E3E0D6;
    --line-soft: #EDEAE1;
    --shadow-soft: 0 1px 2px rgba(11, 46, 36, .05), 0 10px 30px rgba(11, 46, 36, .07);
    --serif: "Noto Serif SC", "Songti SC", "SimSun", Georgia, "Times New Roman", serif;
    --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --ease: .3s cubic-bezier(.4, 0, .2, 1);
    --header-h: 76px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--sans);
    line-height: 1.75;
    color: var(--ink);
    background: var(--paper);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    font-size: 15.5px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--ease); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ---------- 通用按钮（直角、无渐变） ---------- */
.btn {
    display: inline-block;
    padding: 13px 32px;
    border-radius: 2px;
    font-weight: 600;
    font-size: 14.5px;
    border: 1px solid transparent;
    letter-spacing: .04em;
    transition: all var(--ease);
    text-align: center;
    background: var(--green-900);
    color: #fff;
}
.btn:hover { background: var(--green-950); color: #fff; }
.btn-hero {
    background: #fff;
    color: var(--green-950);
    border-color: #fff;
    padding: 13px 36px;
    font-size: 15px;
    box-shadow: 0 2px 18px rgba(0, 0, 0, .22);
}
.btn-hero:hover { background: var(--gold-500); border-color: var(--gold-500); color: #fff; }
.btn-ghost {
    background: transparent;
    color: var(--green-800);
    border-color: var(--green-800);
}
.btn-ghost:hover { background: var(--green-800); color: #fff; }
.btn-full { width: 100%; }
.btn-submit { width: 100%; font-size: 15.5px; padding: 15px; color: #fff; background: var(--green-900); }
.btn-submit:hover { background: var(--green-950); color: #fff; }

/* ---------- 顶部导航 ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(250, 249, 246, .94);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
    transition: box-shadow var(--ease);
}
.site-header.scrolled { box-shadow: 0 4px 24px rgba(11, 46, 36, .06); }
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-h);
    gap: 24px;
}
.brand { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand-logo { width: 40px; height: 40px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name {
    font-size: 21px;
    font-weight: 700;
    letter-spacing: .06em;
    color: var(--green-950);
    font-family: var(--serif);
}
.brand-dot { color: var(--gold-500); }
.brand-tag { font-size: 9.5px; color: var(--faint); letter-spacing: .16em; text-transform: uppercase; margin-top: 2px; }

.site-nav { display: flex; gap: 34px; }
.site-nav a {
    font-size: 14.5px;
    font-weight: 500;
    color: var(--ink);
    letter-spacing: .02em;
    position: relative;
    padding: 6px 0;
    white-space: nowrap;
}
.site-nav a::after {
    content: '';
    position: absolute;
    left: 0; bottom: 0;
    width: 0; height: 1.5px;
    background: var(--gold-500);
    transition: width var(--ease);
}
.site-nav a:hover, .site-nav a.active { color: var(--green-800); }
.site-nav a:hover::after, .site-nav a.active::after { width: 100%; }
.nav-contact-mobile { display: none; }

.header-actions { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.btn-header {
    padding: 9px 22px;
    font-size: 13.5px;
    background: var(--gold-500);
    border-color: var(--gold-500);
    color: #fff;
}
.btn-header:hover { background: var(--gold-600); border-color: var(--gold-600); color: #fff; }

/* 语言切换 */
.lang-switch { position: relative; }
.lang-btn {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 8px 13px;
    border: 1px solid var(--line);
    border-radius: 2px;
    background: transparent;
    color: var(--ink);
    font-size: 13px;
    font-weight: 500;
    transition: all var(--ease);
}
.lang-btn:hover { border-color: var(--green-700); color: var(--green-800); }
.icon-globe { width: 16px; height: 16px; }
.icon-caret { width: 10px; height: 10px; transition: transform var(--ease); }
.lang-switch.open .icon-caret { transform: rotate(180deg); }
.lang-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 150px;
    background: #fff;
    border-radius: 2px;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--line);
    padding: 5px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: all var(--ease);
    z-index: 100;
}
.lang-switch.open .lang-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-menu li { padding: 9px 14px; font-size: 13.5px; border-radius: 1px; cursor: pointer; transition: all .18s; white-space: nowrap; display: flex; align-items: center; gap: 10px; }
.lang-code {
    width: 24px; height: 24px;
    flex-shrink: 0;
    border: 1px solid var(--line);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: .02em;
    color: var(--muted);
    background: var(--white);
    transition: all var(--ease);
    font-family: var(--sans);
}
.lang-menu li:hover .lang-code, .lang-menu li.cur .lang-code {
    background: var(--green-900);
    border-color: var(--green-900);
    color: #fff;
}
.lang-menu li:hover { background: var(--paper-2); color: var(--green-800); }
.lang-menu li.cur { color: var(--green-800); font-weight: 700; background: var(--paper-2); }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: 8px;
}
.nav-toggle span {
    width: 22px; height: 2px;
    background: var(--ink);
    border-radius: 1px;
    transition: all var(--ease);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 首页轮播（真实摄影 + 墨绿遮罩 + 编辑式排版） ---------- */
.hero-carousel {
    position: relative;
    height: calc(100vh - var(--header-h));
    min-height: 560px;
    max-height: 820px;
    overflow: hidden;
    background: var(--green-950);
}
.hero-track { height: 100%; position: relative; }
.hero-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transform: scale(1.03);
    transition: opacity 1.1s ease, transform 7s linear;
    display: flex;
    align-items: center;
}
.hero-slide.active { opacity: 1; transform: scale(1); z-index: 2; }
.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(8, 30, 23, .74) 0%, rgba(10, 41, 32, .52) 45%, rgba(10, 41, 32, .06) 82%, rgba(10, 41, 32, .2) 100%);
}
.hero-caption {
    position: relative;
    z-index: 3;
    max-width: 760px;
    color: #fff;
    padding: 48px 24px;
}
.hero-eyebrow {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 22px;
    font-size: 12px;
    letter-spacing: .32em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, .78);
    font-weight: 500;
}
.hero-eyebrow::before {
    content: '';
    width: 42px;
    height: 1px;
    background: var(--gold-500);
    flex-shrink: 0;
}
.hero-caption h1 {
    font-family: var(--serif);
    font-size: clamp(32px, 4.4vw, 54px);
    font-weight: 700;
    line-height: 1.32;
    letter-spacing: .03em;
    margin-bottom: 20px;
    animation: heroUp .9s ease both;
}
.hero-caption p {
    font-size: clamp(15px, 1.5vw, 17.5px);
    color: rgba(255, 255, 255, .85);
    margin-bottom: 36px;
    max-width: 560px;
    line-height: 1.9;
    animation: heroUp .9s .12s ease both;
}
.hero-caption .btn { animation: heroUp .9s .24s ease both; }
.hero-trust {
    display: flex;
    gap: 0;
    margin-top: 46px;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, .22);
    max-width: 640px;
    animation: heroUp .9s .36s ease both;
}
.hero-trust li {
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding: 0 30px 0 0;
    margin-right: 30px;
    border-right: 1px solid rgba(255, 255, 255, .2);
}
.hero-trust li:last-child { border-right: none; margin-right: 0; }
.hero-trust strong {
    font-family: var(--serif);
    font-size: 27px;
    font-weight: 600;
    line-height: 1.1;
    color: #fff;
    letter-spacing: .02em;
}
.hero-trust .trust-unit { font-size: 14px; color: #D9B478; margin-left: 2px; font-family: var(--serif); }
.hero-trust li > span { font-size: 12.5px; letter-spacing: .05em; color: rgba(255, 255, 255, .78); }
@keyframes heroUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}
.hero-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
    width: 46px; height: 46px;
    border-radius: 2px;
    border: 1px solid rgba(255, 255, 255, .4);
    background: rgba(255, 255, 255, .06);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--ease);
}
.hero-arrow:hover { background: rgba(255, 255, 255, .18); border-color: #fff; }
.hero-prev { left: 28px; }
.hero-next { right: 28px; }
/* 序号式轮播指示 01 / 03 */
.hero-indicator {
    position: absolute;
    bottom: 34px;
    left: 24px;
    z-index: 5;
    display: flex;
    align-items: baseline;
    gap: 8px;
    color: #fff;
    font-family: var(--serif);
}
.hero-indicator .cur { font-size: 26px; font-weight: 600; }
.hero-indicator .divider { width: 56px; height: 1px; background: rgba(255, 255, 255, .45); align-self: center; }
.hero-indicator .total { font-size: 14px; color: rgba(255, 255, 255, .65); }
.hero-dots {
    position: absolute;
    bottom: 34px;
    right: 24px;
    display: flex;
    gap: 8px;
    z-index: 5;
}
.hero-dots button {
    width: 7px; height: 7px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, .38);
    padding: 0;
    transition: all var(--ease);
}
.hero-dots button:hover { background: rgba(255, 255, 255, .7); }
.hero-dots button.active { background: var(--gold-500); transform: scale(1.25); }

/* ---------- 区块通用（编辑式板块头） ---------- */
.section { padding: 108px 0; }
.section-alt { background: var(--white); }
.section-head {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 0 48px;
    margin-bottom: 56px;
}
.section-head .sec-index {
    flex-basis: 100%;
    font-family: var(--serif);
    font-size: 13px;
    color: var(--gold-600);
    letter-spacing: .25em;
    padding-left: 14px;
    border-left: 2px solid var(--gold-500);
    line-height: 1;
    margin-bottom: 16px;
}
.section-head .section-title {
    margin-bottom: 0;
}
.section-head .section-desc {
    margin: 0 0 8px;
    text-align: left;
}
.section-head.centered {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 18px;
}
.section-head.centered .sec-index { flex-basis: auto; margin-bottom: 0; }
.section-head.centered .section-desc { text-align: center; }
.section-title {
    font-family: var(--serif);
    font-size: clamp(27px, 2.9vw, 37px);
    font-weight: 700;
    letter-spacing: .05em;
    color: var(--green-950);
    line-height: 1.35;
    position: relative;
}
.section-desc {
    color: var(--muted);
    font-size: 15.5px;
    max-width: 560px;
    line-height: 1.9;
}
.section-head.right { justify-content: flex-start; }
.section-head.right .sec-index { order: 2; margin-left: 18px; align-self: center; }

.section-more { text-align: center; margin-top: 52px; }
.related-title { margin: 76px 0 40px; }

/* ---------- 关于 + 数据 ---------- */
.about-grid {
    display: grid;
    grid-template-columns: 1.12fr 1fr;
    gap: 80px;
    align-items: center;
}
.about-lead {
    color: var(--muted);
    font-size: 16px;
    line-height: 2;
    border-left: 2px solid var(--gold-500);
    padding-left: 22px;
}
.link-arrow {
    display: inline-block;
    margin-top: 26px;
    color: var(--green-800);
    font-weight: 600;
    font-size: 14.5px;
    letter-spacing: .04em;
}
.link-arrow span { transition: transform var(--ease); display: inline-block; }
.link-arrow:hover span { transform: translateX(5px); }
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
}
.stat-card {
    padding: 32px 26px 30px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: var(--paper);
    transition: background var(--ease);
}
.stat-card:hover { background: var(--white); }
.stat-num {
    font-family: var(--serif);
    font-size: 54px;
    font-weight: 600;
    color: var(--green-900);
    line-height: 1;
    letter-spacing: .02em;
}
.stat-unit { font-size: 17px; font-weight: 600; margin-left: 4px; color: var(--gold-600); font-family: var(--serif); }
.stat-label { font-weight: 600; font-size: 14.5px; margin-top: 12px; letter-spacing: .03em; }
.stat-desc { color: var(--faint); font-size: 12.5px; margin-top: 3px; }

/* ---------- 医院卡片（图卡式，编辑风） ---------- */
.hospital-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(272px, 1fr));
    gap: 34px;
}
.hospital-card {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 2px;
    overflow: hidden;
    transition: all var(--ease);
    display: flex;
    flex-direction: column;
}
.hospital-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-soft);
    border-color: #C9C5B8;
}
.hospital-img {
    position: relative;
    display: block;
    height: 196px;
    overflow: hidden;
    background: var(--paper-2);
}
.hospital-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s ease; }
.hospital-card:hover .hospital-img img { transform: scale(1.06); }
.hospital-level {
    position: absolute;
    left: 0; bottom: 0;
    background: var(--green-950);
    color: #fff;
    font-size: 11.5px;
    letter-spacing: .06em;
    padding: 6px 14px 6px 16px;
    clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}
.hospital-content { padding: 24px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.hospital-content h3 { font-size: 17.5px; color: var(--green-950); margin-bottom: 10px; font-weight: 600; letter-spacing: .02em; }
.hospital-content > p { color: var(--muted); font-size: 13.5px; flex: 1; line-height: 1.85; }
.hospital-tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 15px 0; }
.tag {
    background: transparent;
    color: var(--green-700);
    font-size: 12px;
    letter-spacing: .03em;
    padding: 2px 10px;
    border: 1px solid #C7D4CC;
    border-radius: 1px;
}
.hospital-meta { margin: 12px 0; font-size: 13.5px; color: var(--ink); }
.hospital-meta > div { padding: 3px 0; }
.meta-label { color: var(--faint); margin-right: 6px; font-size: 12.5px; }
.card-link {
    color: var(--green-800);
    font-weight: 600;
    font-size: 13.5px;
    letter-spacing: .05em;
    margin-top: auto;
    align-self: flex-start;
    border-bottom: 1px solid transparent;
}
.card-link:hover { color: var(--gold-600); border-color: var(--gold-500); }

/* ---------- 产品卡片 ---------- */
.product-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 48px;
    border-bottom: 1px solid var(--line);
    padding-bottom: 18px;
}
.filter-btn {
    padding: 8px 24px;
    border-radius: 2px;
    border: 1px solid var(--line);
    background: transparent;
    color: var(--muted);
    font-size: 13.5px;
    font-weight: 500;
    letter-spacing: .03em;
    transition: all var(--ease);
}
.filter-btn:hover { border-color: var(--green-700); color: var(--green-800); }
.filter-btn.active {
    background: var(--green-900);
    border-color: var(--green-900);
    color: #fff;
}
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(264px, 1fr));
    gap: 30px;
}
.product-card {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 2px;
    overflow: hidden;
    transition: all var(--ease);
    display: flex;
    flex-direction: column;
}
.product-card.hidden { display: none; }
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); border-color: #C9C5B8; }
.product-img { position: relative; display: block; height: 178px; overflow: hidden; background: var(--paper-2); }
.product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s ease; }
.product-card:hover .product-img img { transform: scale(1.06); }
.product-cat {
    position: absolute;
    right: 0; top: 14px;
    background: rgba(255, 255, 255, .92);
    color: var(--green-800);
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: .08em;
    padding: 5px 14px 5px 16px;
    clip-path: polygon(10px 0, 100% 0, 100% 100%, 0 100%);
}
.product-content { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.product-content h3 { font-size: 16.5px; color: var(--green-950); margin-bottom: 9px; font-weight: 600; }
.product-content > p { color: var(--muted); font-size: 13px; flex: 1; line-height: 1.8; }
.product-price {
    font-size: 13px;
    color: var(--faint);
    border-top: 1px solid var(--line-soft);
    padding-top: 12px;
    margin-top: 12px;
    letter-spacing: .02em;
}
.product-price strong { color: var(--green-800); font-size: 15px; font-family: var(--serif); }
.price-note {
    text-align: center;
    color: var(--faint);
    font-size: 12.5px;
    margin-top: 40px;
}

/* ---------- 服务流程（时间线式） ---------- */
.process-section {
    background:
        linear-gradient(180deg, var(--white) 0%, var(--paper) 100%);
    border-top: 1px solid var(--line-soft);
    border-bottom: 1px solid var(--line-soft);
}
.process-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
}
.process-grid-list { grid-template-columns: repeat(3, 1fr); }
.process-card {
    background: var(--paper);
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: 34px 30px 36px;
    transition: background var(--ease), box-shadow var(--ease);
    display: flex;
    flex-direction: column;
}
.process-card:hover { background: var(--white); box-shadow: var(--shadow-soft); position: relative; z-index: 1; }
.process-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.process-step {
    font-family: var(--serif);
    font-size: 34px;
    font-weight: 600;
    color: transparent;
    -webkit-text-stroke: 1px var(--gold-500);
    line-height: 1;
    letter-spacing: .02em;
    transition: all var(--ease);
}
.process-card:hover .process-step { color: var(--gold-600); -webkit-text-stroke: 0; }
.process-icon { display: none; }
.process-card h3 { font-size: 17px; color: var(--green-950); margin-bottom: 10px; font-weight: 600; letter-spacing: .02em; }
.process-card p { color: var(--muted); font-size: 13.5px; flex: 1; line-height: 1.85; }

/* ---------- FAQ（线条分隔式） ---------- */
.faq-list { max-width: 880px; margin: 0 auto; border-top: 1px solid var(--line); }
.faq-item {
    border-bottom: 1px solid var(--line);
    background: transparent;
    transition: background var(--ease);
}
.faq-item.open { background: var(--white); }
.faq-q {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 22px 8px;
    background: none;
    border: none;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: .02em;
    color: var(--ink);
    text-align: left;
    font-family: var(--serif);
    transition: color var(--ease);
}
.faq-item.open .faq-q, .faq-q:hover { color: var(--green-800); }
.faq-toggle { font-family: var(--serif); font-size: 24px; line-height: 24px; color: var(--gold-600); transition: transform var(--ease); }
.faq-item.open .faq-toggle { transform: rotate(45deg); }
.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease;
}
.faq-a-inner-padding { padding: 0 8px 22px; color: var(--muted); font-size: 14.5px; }
.faq-item.open .faq-a { max-height: 400px; }
.faq-a > *:first-child { padding-top: 0; }
.faq-a { color: var(--muted); font-size: 14.5px; }
.faq-item.open .faq-a { padding: 0 8px 22px; }

/* ---------- 联系表单 ---------- */
.contact-section { background: var(--white); }
.contact-section .section-head { margin-bottom: 48px; }
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.55fr;
    gap: 0;
    align-items: stretch;
    border: 1px solid var(--line);
    border-radius: 2px;
    overflow: hidden;
}
.contact-info {
    background:
        linear-gradient(155deg, rgba(255, 255, 255, .05) 0%, transparent 55%),
        var(--green-950);
    padding: 48px 42px;
    color: #fff;
    position: relative;
}
.contact-info::before {
    content: 'ORIGO';
    position: absolute;
    top: 40px; right: 34px;
    font-family: var(--serif);
    font-size: 13px;
    letter-spacing: .5em;
    color: rgba(255, 255, 255, .18);
}
.contact-info h3 { font-size: 26px; margin-bottom: 12px; font-family: var(--serif); font-weight: 600; letter-spacing: .05em; }
.contact-lead { color: rgba(255, 255, 255, .72); font-size: 14px; margin-bottom: 34px; line-height: 1.9; }
.info-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.info-item:last-child { border-bottom: none; }
.info-icon {
    width: 36px; height: 36px;
    flex-shrink: 0;
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
}
.info-item h4 { font-size: 12px; color: rgba(255, 255, 255, .55); font-weight: 500; letter-spacing: .1em; text-transform: uppercase; }
.info-item p { font-size: 15px; font-weight: 600; word-break: break-all; }
.info-item a:hover { text-decoration: underline; }

.contact-form {
    background: var(--paper);
    padding: 48px 46px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.form-group { margin-bottom: 22px; }
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .06em;
    margin-bottom: 8px;
    color: var(--ink);
    text-transform: uppercase;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--line);
    border-radius: 2px;
    font-size: 14.5px;
    font-family: inherit;
    background: var(--white);
    color: var(--ink);
    transition: all var(--ease);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--green-700);
    box-shadow: 0 0 0 3px rgba(18, 81, 64, .07);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-status {
    display: none;
    padding: 13px 18px;
    border-radius: 2px;
    font-size: 14px;
    margin-bottom: 18px;
}
.form-status.ok { display: block; background: #EEF4EF; color: var(--green-800); border: 1px solid #CFE0D4; }
.form-status.err { display: block; background: #FBEFEE; color: #9A3B34; border: 1px solid #EBCDC9; }

/* ---------- 内页 Hero ---------- */
.page-hero {
    background: var(--green-950);
    color: #fff;
    padding: 84px 0;
    text-align: left;
    position: relative;
    overflow: hidden;
    border-bottom: 3px solid var(--gold-500);
}
.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px),
        linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: linear-gradient(90deg, #000 0%, transparent 70%);
    -webkit-mask-image: linear-gradient(90deg, #000 0%, transparent 70%);
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 {
    font-family: var(--serif);
    font-size: clamp(28px, 3.6vw, 42px);
    font-weight: 700;
    letter-spacing: .05em;
    margin-bottom: 12px;
}
.page-hero p { color: rgba(255, 255, 255, .78); max-width: 700px; font-size: 15.5px; line-height: 1.9; }
.page-hero-detail {
    background-size: cover;
    background-position: center;
    padding: 108px 0;
    text-align: left;
}
.page-hero-detail::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(95deg, rgba(8, 30, 23, .9) 25%, rgba(10, 41, 32, .62) 70%, rgba(10, 41, 32, .32));
}
.page-hero-detail .container { max-width: 860px; }
.page-hero-detail h1 { font-size: clamp(26px, 3.4vw, 40px); }
.page-hero-detail p { margin: 0; max-width: 640px; }
.hero-step-badge {
    display: inline-block;
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .35);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .2em;
    padding: 5px 16px;
    border-radius: 1px;
    margin-bottom: 18px;
}

/* ---------- 详情页 ---------- */
.detail-grid {
    display: grid;
    grid-template-columns: 1fr 330px;
    gap: 44px;
    align-items: start;
    margin-bottom: 20px;
}
.detail-block { margin-bottom: 34px; }
.detail-block h2 {
    font-family: var(--serif);
    font-size: 21px;
    color: var(--green-950);
    letter-spacing: .04em;
    margin-bottom: 16px;
    padding-left: 14px;
    border-left: 3px solid var(--gold-500);
}
.detail-content { color: #3C453F; font-size: 15.5px; white-space: pre-line; line-height: 2; }
.info-card {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 2px;
    padding: 30px 28px;
    position: sticky;
    top: calc(var(--header-h) + 20px);
}
.info-card h3 {
    font-size: 18px;
    color: var(--green-950);
    margin-bottom: 16px;
    padding-bottom: 13px;
    border-bottom: 1px solid var(--line);
    font-family: var(--serif);
}
.info-card ul li {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 9px 0;
    font-size: 14px;
    border-bottom: 1px dashed var(--line);
}
.info-card ul li:last-of-type { border-bottom: none; }
.info-card ul li strong { color: var(--gold-600); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.info-card ul li span { color: var(--ink); }
.info-card .btn { margin-top: 18px; }
.feature-list { display: grid; gap: 10px; }
.feature-list li {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 2px;
    padding: 12px 18px;
    color: var(--green-800);
    font-weight: 600;
    font-size: 14.5px;
}
.step-nav { counter-reset: step; margin-bottom: 8px; }
.step-nav li { border-radius: 1px; transition: background .18s; }
.step-nav li:hover { background: var(--paper-2); }
.step-nav li.cur { background: var(--paper-2); }
.step-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 13px;
    font-size: 14px;
    color: var(--ink);
}
.step-nav li.cur a { color: var(--green-800); font-weight: 700; }
.step-nav-num {
    width: 26px; height: 26px;
    flex-shrink: 0;
    border-radius: 1px;
    border: 1px solid var(--gold-500);
    color: var(--gold-600);
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--serif);
}
.step-nav li.cur .step-nav-num { background: var(--gold-500); color: #fff; }

/* ---------- 页脚 ---------- */
.site-footer {
    background: var(--green-950);
    color: rgba(255, 255, 255, .74);
    padding: 72px 0 0;
    position: relative;
}
.site-footer::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--gold-500) 0%, rgba(185, 138, 78, .2) 60%, transparent 100%);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.7fr 1fr 1.3fr;
    gap: 56px;
    padding-bottom: 52px;
}
.brand-footer { margin-bottom: 18px; }
.brand-footer .brand-name { color: #fff; }
.brand-footer .brand-tag { color: rgba(255, 255, 255, .45); }
.footer-intro {
    font-size: 13.5px;
    line-height: 2;
    color: rgba(255, 255, 255, .55);
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.footer-col h4 {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    margin-bottom: 22px;
    position: relative;
    padding-bottom: 12px;
}
.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0; bottom: 0;
    width: 26px; height: 1.5px;
    background: var(--gold-500);
}
.footer-links li { margin-bottom: 11px; }
.footer-links a { font-size: 14px; color: rgba(255, 255, 255, .62); }
.footer-links a:hover { color: #fff; padding-left: 5px; }
.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    font-size: 13.5px;
    margin-bottom: 12px;
    color: rgba(255, 255, 255, .62);
}
.footer-contact a { color: rgba(255, 255, 255, .78); }
.footer-contact a:hover { color: #fff; text-decoration: underline; }
.fc-icon { flex-shrink: 0; }
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .1);
    padding: 22px 0;
    text-align: center;
    font-size: 12.5px;
    color: rgba(255, 255, 255, .4);
    letter-spacing: .04em;
}

/* ---------- 返回顶部 ---------- */
.back-top {
    position: fixed;
    right: 26px; bottom: 30px;
    width: 42px; height: 42px;
    border-radius: 2px;
    border: 1px solid var(--line);
    background: var(--white);
    color: var(--green-800);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-soft);
    opacity: 0;
    visibility: hidden;
    transform: translateY(14px);
    transition: all var(--ease);
    z-index: 900;
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { transform: translateY(-4px); color: var(--gold-600); }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
    .about-grid { grid-template-columns: 1fr; gap: 56px; }
    .process-grid, .process-grid-list { grid-template-columns: repeat(2, 1fr); }
    .detail-grid { grid-template-columns: 1fr; }
    .info-card { position: static; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .section-head { flex-direction: column; align-items: flex-start; gap: 16px; }
    .section-head .sec-index { align-self: flex-start; }
}

@media (max-width: 768px) {
    .section { padding: 72px 0; }
    .header-inner { height: 64px; }
    :root { --header-h: 64px; }
    .brand-tag { display: none; }
    .nav-toggle { display: flex; }
    .site-nav {
        position: fixed;
        top: 64px;
        left: 0; right: 0;
        background: var(--paper);
        flex-direction: column;
        gap: 0;
        padding: 10px 24px 20px;
        box-shadow: var(--shadow-soft);
        border-bottom: 1px solid var(--line);
        transform: translateY(-12px);
        opacity: 0;
        visibility: hidden;
        transition: all var(--ease);
        z-index: 999;
    }
    .site-nav.open { transform: translateY(0); opacity: 1; visibility: visible; }
    .site-nav a { padding: 13px 4px; border-bottom: 1px solid var(--line-soft); font-size: 15px; }
    .site-nav a::after { display: none; }
    .nav-contact-mobile { display: block; }
    .btn-header { display: none; }
    .hero-carousel { min-height: 480px; }
    .hero-arrow { display: none; }
    .hero-caption { padding: 26px; }
    .hero-indicator { bottom: 22px; }
    .hero-dots { bottom: 24px; }
    .contact-wrapper { grid-template-columns: 1fr; }
    .contact-info { position: static; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .process-grid, .process-grid-list { grid-template-columns: 1fr; }
    .hospital-grid, .product-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 40px; }
    .contact-form { padding: 30px 24px; }
    .page-hero-detail { padding: 76px 0; }
    .lang-btn .lang-current { display: none; }
}

@media (max-width: 420px) {
    .stats-grid { grid-template-columns: 1fr; }
    .hero-carousel { min-height: 440px; }
    .hero-trust { flex-wrap: wrap; gap: 14px 0; }
    .hero-trust li { padding-right: 20px; margin-right: 20px; }
}