/* ============================================================
   site.css — global-terminal (1XBET22-C08)
   设计方向：环球航站楼信息屏
   主色：深灰蓝 #10141c / 亮青 #22d3ee / 白
   版式语言：信息屏网格、航班牌行、状态点、等宽小字氛围
   断点：375（基础单列）→ 768（双列）→ 1440（1200+ 宽列）
   ============================================================ */

:root {
    --ink: #10141c;
    --panel: #151c2b;
    --panel-2: #1b2436;
    --line: #26324a;
    --line-soft: #1f2940;
    --text: #e9eef7;
    --muted: #96a2b6;
    --cyan: #22d3ee;
    --cyan-soft: #a5f3fc;
    --ok: #34d399;
    --wait: #fbbf24;
    --busy: #fb7185;
    --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
}

html {
    scroll-behavior: smooth;
}

html, body {
    overflow-x: hidden;
}

body {
    margin: 0;
    background: var(--ink);
    color: var(--text);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.75;
    background-image: linear-gradient(180deg, rgba(34, 211, 238, 0.05), transparent 220px);
}

img {
    max-width: 100%;
}

a {
    color: var(--cyan);
    text-decoration: none;
}

/* ---------- 容器与分区 ---------- */

.wrap {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

.zone {
    padding: 56px 0 64px;
    position: relative;
}

.zone-alt {
    background: linear-gradient(180deg, rgba(34, 211, 238, 0.04), rgba(34, 211, 238, 0.01) 60%);
    border-top: 1px solid var(--line-soft);
    border-bottom: 1px solid var(--line-soft);
}

.sec-head {
    max-width: 860px;
}

.sec-head.center {
    margin: 0 auto 34px;
    text-align: center;
}

.sec-title {
    font-size: 26px;
    line-height: 1.4;
    margin: 0 0 12px;
    padding-left: 14px;
    border-left: 4px solid var(--cyan);
    color: #fff;
    font-weight: 700;
}

.sec-head.center .sec-title {
    padding-left: 0;
    border-left: 0;
    display: inline-block;
    border-bottom: 3px solid var(--cyan);
    padding-bottom: 8px;
}

.sec-head p {
    color: var(--muted);
    margin: 0;
}

/* ---------- Header：顶条 + 登机口导航 ---------- */

.site-header {
    position: relative;
    z-index: 50;
    background: var(--ink);
}

.top-strip {
    background: #0a0e15;
    border-bottom: 1px solid var(--line-soft);
    font-size: 13px;
}

.top-strip-in {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding-top: 7px;
    padding-bottom: 7px;
    flex-wrap: wrap;
}

.top-strip-note,
.top-strip-state {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

.top-strip-state {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.pulse-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--ok);
    box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6);
    animation: pulse-ring 2.2s infinite;
}

@keyframes pulse-ring {
    0% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.55); }
    70% { box-shadow: 0 0 0 7px rgba(52, 211, 153, 0); }
    100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}

.header-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-top: 14px;
    padding-bottom: 14px;
    flex-wrap: wrap;
}

.brand-line {
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    letter-spacing: 0.02em;
    margin: 0;
}

.brand-line a {
    color: inherit;
}

.brand-sub {
    color: var(--cyan);
    font-weight: 600;
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--panel);
    color: var(--cyan);
    font-size: 18px;
    cursor: pointer;
}

.nav-gate {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.nav-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    border: 1px solid var(--line-soft);
    border-radius: 6px;
    color: var(--text);
    font-size: 15px;
    background: var(--panel);
    transition: border-color 0.2s, background 0.2s;
}

.nav-item:hover {
    border-color: var(--cyan);
    background: var(--panel-2);
}

.nav-item.active {
    border-color: var(--cyan);
    color: var(--cyan);
    background: rgba(34, 211, 238, 0.08);
}

.gate-code {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    color: var(--cyan);
    border: 1px dashed var(--line);
    padding: 1px 5px;
    border-radius: 3px;
}

/* ---------- 首页 Hero ---------- */

.board-kicker {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--cyan);
    font-size: 13px;
    letter-spacing: 0.14em;
    font-family: var(--mono);
    text-transform: uppercase;
    margin: 0 0 16px;
}

.kicker-bar {
    width: 26px;
    height: 2px;
    background: var(--cyan);
    display: inline-block;
}

.hero-zone {
    padding-top: 64px;
    padding-bottom: 72px;
    background:
        radial-gradient(900px 420px at 85% -10%, rgba(34, 211, 238, 0.12), transparent 60%),
        linear-gradient(180deg, #0d1320, var(--ink));
    border-bottom: 1px solid var(--line-soft);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 36px;
    align-items: start;
}

.hero-title {
    font-size: clamp(26px, 5vw, 42px);
    line-height: 1.25;
    margin: 0 0 18px;
    color: #fff;
    font-weight: 800;
    max-width: 15em;
}

.hero-lead {
    color: var(--muted);
    font-size: 16px;
    max-width: 34em;
    margin: 0 0 20px;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 0 0 18px;
}

.hero-tags span {
    border: 1px solid var(--line);
    color: var(--cyan-soft);
    background: rgba(34, 211, 238, 0.06);
    font-family: var(--mono);
    font-size: 13px;
    padding: 5px 12px;
    border-radius: 999px;
    letter-spacing: 0.05em;
}

.hero-meta {
    color: var(--muted);
    font-size: 14px;
    margin: 0;
}

.hero-board {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
}

.hero-fig {
    margin: 0;
}

.hero-fig img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-radius: 10px;
    border: 1px solid var(--line);
    display: block;
}

/* ---------- 信息屏通用 ---------- */

.info-board {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 20px 22px;
    position: relative;
}

.info-board::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 10px;
    pointer-events: none;
    background: repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.015) 0 1px, transparent 1px 4px);
}

.board-title {
    margin: 0 0 14px;
    font-size: 13px;
    color: var(--cyan);
    font-family: var(--mono);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.board-lines {
    list-style: none;
    margin: 0;
    padding: 0;
}

.board-lines li {
    display: grid;
    grid-template-columns: 96px 76px 1fr;
    gap: 10px;
    align-items: baseline;
    padding: 12px 2px;
    border-bottom: 1px dashed var(--line);
    font-size: 14px;
}

.board-lines li:last-child {
    border-bottom: 0;
}

.line-key {
    color: #fff;
    font-weight: 600;
}

.line-state {
    color: var(--ok);
    font-family: var(--mono);
    font-size: 13px;
}

.line-state.wait {
    color: var(--wait);
}

.line-note {
    color: var(--muted);
    text-align: right;
    font-size: 13px;
}

/* ---------- 首页：登机口列表 ---------- */

.zone-alt.boarding {
    border-top: 1px solid var(--line-soft);
}

.gate-layout,
.route-layout,
.lounge-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

.gate-row {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 14px;
    align-items: center;
    padding: 16px 18px;
    border: 1px solid var(--line);
    border-left: 3px solid var(--cyan);
    background: var(--panel);
    border-radius: 8px;
    margin-top: 12px;
}

.gate-chip {
    margin: 0;
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.1em;
    color: var(--cyan);
    border: 1px dashed var(--line);
    padding: 4px 8px;
    border-radius: 4px;
    white-space: nowrap;
}

.gate-body h4 {
    margin: 0 0 4px;
    font-size: 17px;
    color: #fff;
}

.gate-body p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.status-chip {
    margin: 0;
    font-size: 12px;
    font-family: var(--mono);
    padding: 4px 10px;
    border-radius: 999px;
    white-space: nowrap;
}

.status-chip.on {
    color: #04121a;
    background: var(--cyan);
}

.status-chip.wait {
    color: var(--wait);
    border: 1px solid var(--wait);
    background: transparent;
}

.gate-side-fig,
.route-fig,
.lounge-fig {
    margin: 0;
}

.gate-side-fig img {
    width: 100%;
    max-height: 420px;
    object-fit: cover;
    aspect-ratio: 4 / 5;
    border-radius: 10px;
    border: 1px solid var(--line);
    display: block;
}

.gate-side-fig figcaption,
.route-fig figcaption,
.lounge-fig figcaption,
.about-fig figcaption,
.product-fig figcaption,
.service-fig figcaption,
.side-fig figcaption {
    margin-top: 8px;
    color: var(--muted);
    font-size: 12px;
    text-align: center;
    font-family: var(--mono);
    letter-spacing: 0.05em;
}

/* ---------- 首页：运动航线 ---------- */

.route-rows {
    list-style: none;
    margin: 16px 0 0;
    padding: 0;
}

.route-row {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 14px;
    align-items: center;
    padding: 14px 4px;
    border-bottom: 1px dashed var(--line);
}

.route-row:last-child {
    border-bottom: 0;
}

.route-mark {
    margin: 0;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    color: var(--muted);
}

.route-body h4 {
    margin: 0 0 3px;
    font-size: 16px;
    color: #fff;
}

.route-body p {
    margin: 0;
    font-size: 14px;
    color: var(--muted);
}

.status-dot {
    margin: 0;
    font-size: 12px;
    font-family: var(--mono);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.status-dot::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--ok);
}

.status-dot.ok {
    color: var(--ok);
}

.status-dot.wait {
    color: var(--wait);
}

.status-dot.wait::before {
    background: var(--wait);
}

.route-fig img,
.lounge-fig img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-radius: 10px;
    border: 1px solid var(--line);
    display: block;
}

/* ---------- 首页：娱乐频道 ---------- */

.lounge-rows {
    list-style: none;
    margin: 18px 0 0;
    padding: 0;
}

.lounge-rows li {
    padding: 12px 2px;
    border-bottom: 1px dashed var(--line);
}

.lounge-rows li:last-child {
    border-bottom: 0;
}

.lounge-rows h4 {
    margin: 0 0 2px;
    font-size: 16px;
    color: #fff;
}

.lounge-rows p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

/* ---------- 首页：终端支持 ---------- */

.device-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.device-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 20px;
}

.device-card h4 {
    margin: 0 0 8px;
    font-size: 16px;
    color: var(--cyan);
    display: flex;
    align-items: center;
    gap: 10px;
}

.device-card p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

/* ---------- 首页：时间线 ---------- */

.timeline-list {
    list-style: none;
    margin: 0 auto;
    padding: 0;
    max-width: 860px;
    position: relative;
}

.timeline-list::before {
    content: "";
    position: absolute;
    left: 16px;
    top: 8px;
    bottom: 8px;
    width: 1px;
    background: var(--line);
}

.timeline-list li {
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 0 0 26px 46px;
}

.timeline-list li::before {
    content: "";
    position: absolute;
    left: 12px;
    top: 10px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--ink);
    border: 2px solid var(--cyan);
}

.time-chip {
    margin: 0;
    font-family: var(--mono);
    font-size: 12px;
    color: var(--cyan);
    letter-spacing: 0.06em;
}

.timeline-list h4 {
    margin: 2px 0 4px;
    font-size: 17px;
    color: #fff;
}

.timeline-list p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

/* ---------- 首页：留言屏 ---------- */

.voice-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.voice-short,
.voice-long {
    margin: 0;
    background: var(--panel);
    border: 1px solid var(--line);
    border-left: 3px solid var(--cyan);
    border-radius: 8px;
    padding: 18px 20px;
}

.voice-short p,
.voice-long p {
    margin: 0 0 10px;
    color: var(--text);
    font-size: 14px;
}

.voice-short footer,
.voice-long footer,
.voice-src {
    color: var(--muted);
    font-size: 12px;
    font-family: var(--mono);
    margin: 0;
}

.voice-long {
    border-left-color: var(--wait);
}

/* ---------- FAQ：信息屏式 details ---------- */

.faq-desk {
    max-width: 860px;
    margin: 0 auto;
}

.faq-desk details {
    border-bottom: 1px solid var(--line);
    padding: 4px 2px;
}

.faq-desk details:first-child {
    border-top: 1px solid var(--line);
}

.faq-desk summary {
    cursor: pointer;
    list-style: none;
    padding: 16px 40px 16px 4px;
    font-size: 16px;
    color: #fff;
    font-weight: 600;
    position: relative;
}

.faq-desk summary::-webkit-details-marker {
    display: none;
}

.faq-desk summary::after {
    content: "+";
    position: absolute;
    right: 10px;
    top: 14px;
    color: var(--cyan);
    font-family: var(--mono);
    font-size: 20px;
    line-height: 1;
}

.faq-desk details[open] summary::after {
    content: "–";
}

.faq-desk details p {
    margin: 0;
    padding: 0 6px 18px 4px;
    color: var(--muted);
    font-size: 14px;
    max-width: 56em;
}

/* ---------- 首页：登机牌 CTA ---------- */

.boarding-pass {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    align-items: center;
    background:
        linear-gradient(90deg, rgba(34, 211, 238, 0.16), rgba(34, 211, 238, 0.04)),
        var(--panel);
    border: 1px solid var(--cyan);
    border-radius: 12px;
    padding: 30px 32px;
    position: relative;
    overflow: hidden;
}

.boarding-pass::after {
    content: "···· ···· ···· ···· ···· ····";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    font-family: var(--mono);
    color: rgba(34, 211, 238, 0.35);
    font-size: 13px;
    letter-spacing: 0.2em;
    white-space: nowrap;
}

.pass-code {
    margin: 0 0 6px;
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.2em;
    color: var(--cyan);
}

.pass-copy h3 {
    margin: 0 0 8px;
    font-size: 24px;
    color: #fff;
}

.pass-copy p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.pass-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.btn-cyan,
.btn-dark {
    display: inline-block;
    padding: 13px 26px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 700;
    line-height: 1.4;
    transition: transform 0.15s, box-shadow 0.2s;
    text-align: center;
}

.btn-cyan {
    background: var(--cyan);
    color: #04121a;
}

.btn-cyan:hover {
    box-shadow: 0 0 22px rgba(34, 211, 238, 0.4);
    transform: translateY(-1px);
    color: #04121a;
}

.btn-dark {
    background: transparent;
    border: 2px solid var(--cyan);
    color: var(--cyan);
}

.btn-dark:hover {
    background: rgba(34, 211, 238, 0.1);
    color: var(--cyan);
}

/* ---------- 内页通用头 ---------- */

.page-head {
    padding-top: 54px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--line-soft);
    background: radial-gradient(700px 300px at 20% -20%, rgba(34, 211, 238, 0.1), transparent 60%);
}

.page-title {
    font-size: clamp(24px, 4vw, 34px);
    margin: 0 0 14px;
    color: #fff;
    line-height: 1.3;
    font-weight: 800;
    max-width: 18em;
}

.page-lead {
    margin: 0;
    color: var(--muted);
    max-width: 46em;
    font-size: 15px;
}

.page-cta {
    text-align: center;
    padding: 40px 24px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 12px;
}

.page-cta h3 {
    margin: 0 0 22px;
    font-size: 22px;
    color: #fff;
}

/* ---------- 导览页（about） ---------- */

.tour-block {
    max-width: 900px;
}

.tour-title {
    margin-bottom: 20px;
}

.tour-title h3 {
    margin: 0 0 6px;
    font-size: 22px;
    color: #fff;
}

.tour-title p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.tour-zone-list,
.tour-name-list,
.tour-desk-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.tour-zone-list li {
    display: grid;
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 16px 0;
    border-bottom: 1px dashed var(--line);
}

.floor-chip {
    margin: 0;
    font-family: var(--mono);
    font-size: 12px;
    color: var(--cyan);
    letter-spacing: 0.08em;
}

.tour-zone-list h4 {
    margin: 0 0 4px;
    font-size: 17px;
    color: #fff;
}

.tour-zone-list p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.about-fig img,
.product-fig img,
.service-fig img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: 10px;
    border: 1px solid var(--line);
    display: block;
}

.tour-name-list li {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 14px;
    padding: 12px 0;
    border-bottom: 1px dashed var(--line);
}

.name-term {
    margin: 0;
    color: var(--cyan);
    font-weight: 700;
    font-size: 15px;
}

.name-meaning {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.tour-note {
    margin: 18px 0 0;
    color: var(--muted);
    font-size: 13px;
    border: 1px dashed var(--line);
    padding: 12px 16px;
    border-radius: 6px;
}

.tour-desk-list li {
    display: grid;
    grid-template-columns: 130px 1fr;
    gap: 14px;
    padding: 12px 0;
    border-bottom: 1px dashed var(--line);
}

.desk-name {
    margin: 0;
    color: #fff;
    font-weight: 700;
}

.desk-path {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.glossary-list {
    max-width: 860px;
    margin: 0 auto;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--panel);
    padding: 4px 24px;
}

.glossary-row {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px dashed var(--line);
}

.glossary-row:last-child {
    border-bottom: 0;
}

.glossary-row dt {
    color: var(--cyan);
    font-weight: 700;
    font-family: var(--mono);
    font-size: 14px;
}

.glossary-row dd {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

/* ---------- 目录页（product） ---------- */

.directory-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.dir-group {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
    padding: 18px 22px;
    margin-bottom: 18px;
}

.dir-group-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    border-bottom: 2px solid var(--cyan);
    padding-bottom: 10px;
}

.dir-group-head h3 {
    margin: 0;
    font-size: 19px;
    color: #fff;
}

.dir-note {
    margin: 0;
    font-size: 12px;
    color: var(--muted);
    font-family: var(--mono);
}

.dir-rows {
    list-style: none;
    margin: 6px 0 0;
    padding: 0;
}

.dir-rows li {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px 20px;
    padding: 12px 0;
    border-bottom: 1px dashed var(--line-soft);
    align-items: baseline;
}

.dir-rows li:last-child {
    border-bottom: 0;
}

.dir-rows h4 {
    margin: 0;
    grid-column: 1;
    font-size: 15px;
    color: #fff;
}

.dir-rows li > p:not(.dir-state) {
    margin: 0;
    grid-column: 1;
    color: var(--muted);
    font-size: 13px;
}

.dir-state {
    margin: 0;
    grid-column: 2;
    grid-row: 1 / span 2;
    font-size: 12px;
    font-family: var(--mono);
    align-self: center;
}

.dir-state.on {
    color: var(--ok);
    border: 1px solid var(--ok);
    padding: 2px 8px;
    border-radius: 999px;
}

.dir-state.wait {
    color: var(--wait);
    border: 1px solid var(--wait);
    padding: 2px 8px;
    border-radius: 999px;
}

.side-note {
    align-self: start;
    position: sticky;
    top: 20px;
}

/* ---------- 公告板页（news） ---------- */

.news-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.news-feature {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.1), transparent 60%), var(--panel);
    border: 1px solid var(--cyan);
    border-radius: 10px;
    padding: 22px 24px;
    margin-bottom: 22px;
}

.news-tag {
    margin: 0;
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.08em;
    color: var(--cyan);
    border: 1px solid var(--line);
    padding: 3px 10px;
    border-radius: 999px;
    width: fit-content;
    background: rgba(34, 211, 238, 0.06);
}

.news-tag.hot {
    color: #04121a;
    background: var(--cyan);
    border-color: var(--cyan);
}

.news-feature-body h3 {
    margin: 0 0 8px;
    font-size: 20px;
    color: #fff;
}

.news-feature-body p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.news-list {
    list-style: none;
    margin: 0;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--panel);
}

.news-list li {
    display: grid;
    grid-template-columns: 96px 1fr;
    gap: 6px 18px;
    padding: 16px 20px;
    border-bottom: 1px dashed var(--line);
}

.news-list li:last-child {
    border-bottom: 0;
}

.news-list .news-tag {
    grid-row: 1 / span 2;
    align-self: start;
}

.news-list h4 {
    margin: 0;
    font-size: 16px;
    color: #fff;
}

.news-list p:not(.news-tag) {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

.news-side {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    align-content: start;
}

.side-fig {
    margin: 0;
}

.side-fig img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--line);
    display: block;
}

.news-side-note {
    grid-column: 1 / -1;
}

.help-link-line {
    text-align: center;
}

.help-link-line p {
    margin: 0;
    color: var(--muted);
}

.help-link-line a {
    font-weight: 700;
}

/* ---------- 帮助台页（contact） ---------- */

.desk-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.desk-lanes {
    display: grid;
    grid-template-columns: 1fr;
    gap: 22px;
}

.desk-row {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 18px 22px;
}

.desk-head {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    align-items: center;
    margin-bottom: 6px;
}

.desk-head h3 {
    margin: 0 0 2px;
    font-size: 18px;
    color: #fff;
}

.desk-head div > p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

.queue-state {
    margin: 0;
    font-size: 12px;
    font-family: var(--mono);
    border: 1px dashed var(--line);
    padding: 4px 10px;
    border-radius: 999px;
    width: fit-content;
}

.queue-state.free {
    color: var(--ok);
}

.queue-state.few {
    color: var(--cyan);
}

.queue-state.busy {
    color: var(--wait);
}

.desk-row details {
    border-top: 1px dashed var(--line-soft);
}

.desk-row summary {
    cursor: pointer;
    padding: 14px 30px 14px 4px;
    color: var(--text);
    font-size: 15px;
    position: relative;
    list-style: none;
}

.desk-row summary::-webkit-details-marker {
    display: none;
}

.desk-row summary::after {
    content: "+";
    position: absolute;
    right: 6px;
    color: var(--cyan);
    font-family: var(--mono);
}

.desk-row details[open] summary::after {
    content: "–";
}

.desk-row details p {
    margin: 0 0 14px;
    color: var(--muted);
    font-size: 14px;
}

.desk-side {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
    align-content: start;
}

/* ---------- 访问指南页（service） ---------- */

.lanes-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 22px;
}

.access-lane {
    background: var(--panel);
    border: 1px solid var(--line);
    border-top: 3px solid var(--cyan);
    border-radius: 10px;
    padding: 22px 24px;
}

.lane-head {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 12px;
}

.lane-head h3 {
    margin: 0 0 2px;
    font-size: 19px;
    color: #fff;
}

.lane-head div > p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

.lane-steps {
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: lane-step;
}

.lane-steps li {
    counter-increment: lane-step;
    position: relative;
    padding: 8px 0 8px 44px;
    color: var(--muted);
    font-size: 14px;
    border-bottom: 1px dashed var(--line-soft);
}

.lane-steps li:last-child {
    border-bottom: 0;
}

.lane-steps li::before {
    content: counter(lane-step);
    position: absolute;
    left: 4px;
    top: 8px;
    width: 26px;
    height: 26px;
    line-height: 24px;
    text-align: center;
    border: 1px solid var(--cyan);
    color: var(--cyan);
    font-family: var(--mono);
    font-size: 12px;
    border-radius: 50%;
}

.block-note {
    max-width: 900px;
    margin: 0 auto;
}

.block-note > p:not(.board-title) {
    margin: 0 0 8px;
    color: var(--muted);
    font-size: 14px;
}

.inline-steps {
    margin-top: 8px;
}

/* ---------- Footer：四列航站楼 ---------- */

.site-footer {
    background: #0a0e15;
    border-top: 3px solid var(--cyan);
    padding: 44px 0 26px;
    margin-top: 10px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px;
}

.foot-col h4 {
    margin: 0 0 12px;
    font-size: 14px;
    color: var(--cyan);
    letter-spacing: 0.1em;
    font-family: var(--mono);
    text-transform: uppercase;
}

.foot-col p {
    color: var(--muted);
    font-size: 13px;
}

.foot-brand {
    margin: 0 0 8px;
}

.foot-brand a {
    color: #fff;
    font-weight: 700;
    font-size: 15px;
}

.foot-col ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.foot-col ul li {
    margin-bottom: 8px;
}

.foot-col ul a {
    color: var(--muted);
    font-size: 13px;
}

.foot-col ul a:hover {
    color: var(--cyan);
}

.friend-list li a {
    overflow-wrap: anywhere;
}

.footer-bottom {
    border-top: 1px solid var(--line-soft);
    margin-top: 30px;
    padding-top: 18px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.footer-bottom p {
    margin: 0;
    color: var(--muted);
    font-size: 12px;
}

.board-version {
    font-family: var(--mono);
    letter-spacing: 0.12em;
    color: var(--line) !important;
    font-size: 11px !important;
}

/* ---------- 返回顶部 ---------- */

#toTopBtn {
    position: fixed;
    right: 18px;
    bottom: 18px;
    width: 44px;
    height: 44px;
    border-radius: 8px;
    border: 1px solid var(--cyan);
    background: rgba(16, 20, 28, 0.92);
    color: var(--cyan);
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.1em;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.25s, transform 0.25s, visibility 0.25s;
    z-index: 60;
}

#toTopBtn.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* ---------- 平板 768 ---------- */

@media (min-width: 768px) {
    .hero-grid {
        grid-template-columns: 1fr 1.06fr;
        gap: 44px;
        align-items: center;
    }

    .hero-board {
        grid-template-columns: 1fr 1.15fr;
        align-items: stretch;
    }

    .gate-layout,
    .route-layout {
        grid-template-columns: 1fr 250px;
        align-items: start;
    }

    .lounge-layout {
        grid-template-columns: 1.15fr 1fr;
        align-items: start;
    }

    .device-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .voice-grid {
        grid-template-columns: 1fr 1fr;
    }

    .voice-long {
        grid-column: 1 / -1;
    }

    .tour-zone-list li {
        grid-template-columns: 210px 1fr;
        align-items: baseline;
    }

    .news-layout {
        grid-template-columns: 1fr 300px;
        align-items: start;
    }

    .news-side {
        grid-template-columns: 1fr;
    }

    .news-side-note {
        grid-column: 1;
    }

    .desk-layout {
        grid-template-columns: 1fr 280px;
        align-items: start;
    }

    .desk-side {
        position: sticky;
        top: 20px;
    }

    .desk-head {
        grid-template-columns: auto 1fr auto;
        gap: 18px;
    }

    .lanes-layout {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }

    .footer-grid {
        grid-template-columns: 1.4fr 1fr 1fr 1fr;
        gap: 36px;
    }
}

/* ---------- 桌面 1200+ ---------- */

@media (min-width: 1200px) {
    .zone {
        padding: 72px 0 84px;
    }

    .gate-row {
        padding: 18px 22px;
    }

    .boarding-pass {
        grid-template-columns: 1fr auto;
        padding: 34px 44px;
    }

    .directory-layout {
        grid-template-columns: 1fr 260px;
        align-items: start;
    }

    .wrap {
        padding: 0 28px;
    }

    .sec-title {
        font-size: 28px;
    }
}

/* ---------- 小屏修正 375 ---------- */

@media (max-width: 767px) {
    .nav-toggle {
        display: block;
    }

    .nav-gate {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        padding: 10px 0 6px;
    }

    .nav-gate.open {
        display: flex;
    }

    .nav-item {
        justify-content: center;
    }

    .zone {
        padding: 42px 0 46px;
    }

    .gate-row,
    .route-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .status-chip,
    .status-dot {
        width: fit-content;
    }

    .board-lines li {
        grid-template-columns: 1fr;
        gap: 2px;
    }

    .line-note {
        text-align: left;
    }

    .news-list li {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .tour-name-list li,
    .tour-desk-list li,
    .glossary-row {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .footer-bottom {
        text-align: center;
    }
}