/* ============================================================
   style.css — PC 前台（n8n 风格模仿）
   深紫黑 / 橙红渐变主按钮 / 粗体大标题 / 流程可视化
   ============================================================ */

:root {
/* hero 粒子隐藏（用户要求移除量子效果） */
.hero-particles { display: none !important; }

    --bg: #0e0918;
    --bg-elev: #141022;
    --bg-card: #1f192a;
    --bg-card-2: rgba(255, 255, 255, 0.04);
    --bg-inset: #0a0612;
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.16);
    --text: #ffffff;
    --text-body: #d1cece;
    --text-muted: #8a8595;
    --text-dim: #6b6577;
    --orange: #fd8925;
    --red: #ff0c00;
    --primary: #ff492c;
    --pink: #ea4b71;
    --teal: #2bb3a3;
    --amber: #ffb829;
    --btn-grad: linear-gradient(30deg, #fd8925 0%, #ff0c00 100%);
    --btn-grad-hover: linear-gradient(30deg, #ff9f45 0%, #ff2a1a 100%);
    --grad-text: linear-gradient(30deg, #fd8925 0%, #ff492c 55%, #ea4b71 100%);
    --radius-btn: 8px;
    --radius-card: 16px;
    --radius-lg: 24px;
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.35);
    --shadow-lift: 0 16px 48px rgba(0, 0, 0, 0.5);
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-main);
    background: var(--bg);
    color: var(--text-body);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

::selection { background: rgba(255, 73, 44, 0.3); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.12); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255, 73, 44, 0.5); }

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ===== 顶部通知栏 ===== */
.announcement-bar {
    background: linear-gradient(30deg, rgba(255, 12, 0, 0.18), rgba(253, 137, 37, 0.14));
    border-bottom: 1px solid rgba(255, 73, 44, 0.25);
    color: #ffe9d6;
    font-size: 13px;
    letter-spacing: 0.02em;
    padding: 9px 0;
    text-align: center;
    position: relative;
    z-index: 1001;
}

.announcement-bar a {
    color: #fff;
    text-decoration: underline;
    text-underline-offset: 3px;
    margin-left: 8px;
}

/* ===== 导航栏 ===== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(14, 9, 24, 0.82);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(14, 9, 24, 0.94);
    border-bottom-color: rgba(255, 255, 255, 0.12);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
    height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 11px;
    flex-shrink: 0;
}

.logo-icon {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: var(--btn-grad);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(255, 73, 44, 0.35);
}

.logo-text {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -0.01em;
    white-space: nowrap;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
    margin: 0;
    padding: 0;
}

.nav-menu > li { position: relative; }

.nav-menu a {
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
    padding: 10px 14px;
    border-radius: var(--radius-btn);
    transition: all 0.22s ease;
    white-space: nowrap;
}

.nav-menu a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

.nav-menu a.active {
    color: #fff;
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 4px;
    height: 2px;
    border-radius: 2px;
    background: var(--btn-grad);
}

.nav-menu a.nav-cta {
    background: var(--btn-grad);
    color: #fff;
    font-weight: 600;
    padding: 9px 20px;
    margin-left: 8px;
    box-shadow: 0 4px 18px rgba(255, 73, 44, 0.32);
}

.nav-menu a.nav-cta:hover {
    background: var(--btn-grad-hover);
    transform: translateY(-1px);
}

/* 语言切换 */
.lang-switcher {
    position: relative;
    margin-left: 6px;
}

.lang-switcher-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: var(--radius-btn);
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s;
}

.lang-switcher-btn:hover { color: #fff; background: rgba(255, 255, 255, 0.05); }

.lang-switcher-btn .globe {
    display: inline-flex;
}

.lang-switcher-btn .globe svg { width: 15px; height: 15px; }

.lang-switcher-btn .arrow {
    display: inline-flex;
    transition: transform 0.2s;
    font-size: 8px;
    color: var(--text-dim);
}

.lang-switcher.active .lang-switcher-btn .arrow { transform: rotate(180deg); }

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 130px;
    background: var(--bg-card);
    border: 1px solid var(--border-strong);
    border-radius: 12px;
    padding: 6px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.22s ease;
    box-shadow: var(--shadow-lift);
    z-index: 100;
}

.lang-switcher.active .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown a {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 9px 12px;
    border-radius: 8px;
    font-size: 13px;
    color: var(--text-body);
    transition: all 0.15s;
}

.lang-dropdown a:hover {
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
}

.lang-dropdown a.active {
    color: #fff;
    background: rgba(255, 73, 44, 0.12);
}

.lang-dropdown .flag { font-size: 15px; }

/* 移动端菜单按钮 */
.mobile-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    color: #fff;
    font-size: 1.3rem;
    align-items: center;
    justify-content: center;
}

/* ===== Hero ===== */
.hero {
    position: relative;
    padding: 96px 0 72px;
    overflow: hidden;
    background:
        radial-gradient(ellipse 55% 55% at 85% 5%, rgba(255, 73, 44, 0.1) 0%, transparent 60%),
        radial-gradient(ellipse 45% 45% at 10% 95%, rgba(234, 75, 113, 0.07) 0%, transparent 55%),
        var(--bg);
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse 30% 30% at 50% 0%, rgba(255, 255, 255, 0.03) 0%, transparent 65%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.35;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 0%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 0%, transparent 75%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.hero-particles .pt {
    position: absolute;
    animation: ptFloat 7s ease-in-out infinite;
    will-change: transform;
}

@keyframes ptFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.5; }
    50% { transform: translateY(-16px) rotate(12deg); opacity: 1; }
}

.hero-content {
    position: relative;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
    align-items: center;
}

.hero-text { min-width: 0; }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 7px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 999px;
    font-size: 12.5px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-body);
    margin-bottom: 26px;
}

.hero-badge .dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--btn-grad);
    animation: heroPulse 2s infinite;
}

@keyframes heroPulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(255, 73, 44, 0.5); }
    50% { opacity: 0.6; box-shadow: 0 0 0 6px rgba(255, 73, 44, 0); }
}

.hero h1 {
    font-size: clamp(40px, 4.6vw, 62px);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -0.02em;
    color: #fff;
    margin-bottom: 24px;
}

.gradient-text {
    background: var(--grad-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.typing-text {
    display: inline-block;
    border-right: 2px solid var(--orange);
    padding-right: 2px;
    animation: blink 0.9s step-end infinite;
}

@keyframes blink {
    50% { border-color: transparent; }
}

.hero-subtitle {
    font-size: 17px;
    font-weight: 400;
    color: var(--text-body);
    line-height: 1.8;
    max-width: 560px;
    margin-bottom: 34px;
}

.hero-buttons {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.01em;
    padding: 13px 28px;
    border-radius: var(--radius-btn);
    transition: all 0.22s ease;
    cursor: pointer;
    white-space: nowrap;
    line-height: 1;
}

.btn-primary {
    background: var(--btn-grad);
    color: #fff;
    box-shadow: 0 6px 24px rgba(255, 73, 44, 0.35);
}

.btn-primary:hover {
    background: var(--btn-grad-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 73, 44, 0.45);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    color: #fff;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.28);
    transform: translateY(-2px);
}

/* ===== Hero 流程图 ===== */
.hero-flow {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 470px;
}

.hero-flow svg {
    width: 100%;
    height: auto;
    max-width: 560px;
    filter: drop-shadow(0 24px 60px rgba(0, 0, 0, 0.5));
}

.hero-flow svg rect[rx="14"] {
    transition: all 0.25s ease;
}

.hero-flow svg rect[rx="14"]:hover {
    stroke: rgba(255, 255, 255, 0.28);
}

/* ===== 统计 ===== */
.hero-stats {
    display: flex;
    gap: 44px;
    flex-wrap: wrap;
}

.stat-item { position: relative; }

.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -22px;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 34px;
    background: var(--border);
}

.stat-number {
    font-size: 34px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #fff;
    line-height: 1.1;
}



.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 6px;
    letter-spacing: 0.04em;
}

/* 滚动指示 */
.scroll-indicator {
    display: flex;
    justify-content: center;
    margin-top: 56px;
}

.mouse {
    width: 25px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.22);
    border-radius: 14px;
    display: flex;
    justify-content: center;
    padding-top: 7px;
}

.wheel {
    width: 3px;
    height: 7px;
    border-radius: 2px;
    background: var(--btn-grad);
    animation: wheelAnim 1.6s ease infinite;
}

@keyframes wheelAnim {
    0% { transform: translateY(0); opacity: 1; }
    70% { transform: translateY(12px); opacity: 0; }
    100% { transform: translateY(0); opacity: 0; }
}

/* ===== 分类 pill 筛选（n8n 风格） ===== */
.filter-pills {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 44px;
    align-items: center;
}

.filter-pills.center {
    justify-content: center;
    margin-bottom: 52px;
}

.filter-pill {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 20px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 13.5px;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--text-muted);
    transition: all 0.2s ease;
    cursor: pointer;
    white-space: nowrap;
}

.filter-pill:hover {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.28);
    background: rgba(255, 255, 255, 0.08);
}

.filter-pill.active {
    color: #fff;
    background: var(--btn-grad);
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(255, 73, 44, 0.3);
}

.filter-pill svg { width: 13px; height: 13px; }


/* hero 流程图连线流动动画（n8n 工作流风格） */
.hero-flow .flow-line {
    animation: dashFlow 1.4s linear infinite;
}

@keyframes dashFlow {
    to { stroke-dashoffset: -24; }
}
/* ===== 通用区块 ===== */
.section {
    padding: 96px 0;
    position: relative;
}

.section:nth-of-type(even) {
    background: var(--bg-inset);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.section-header {
    max-width: 720px;
    margin-bottom: 52px;
}

.section-header.center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--orange);
    margin-bottom: 16px;
}

.section-tag::before {
    content: '';
    width: 22px;
    height: 2px;
    border-radius: 2px;
    background: var(--btn-grad);
}

.section-title {
    font-size: clamp(28px, 3.2vw, 40px);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: #fff;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1.8;
    max-width: 640px;
}

.section-header.center .section-desc { margin: 0 auto; }

/* ===== 核心业务卡片 ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.service-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 34px 30px;
    transition: all 0.28s ease;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--btn-grad);
    opacity: 0;
    transition: opacity 0.28s;
}

.service-card:hover {
    border-color: rgba(255, 255, 255, 0.18);
    transform: translateY(-6px);
    box-shadow: var(--shadow-card);
    background: #231c33;
}

.service-card:hover::before { opacity: 1; }

.service-card.hot .service-icon {
    color: var(--orange);
}

.hot-badge {
    position: absolute;
    top: 18px;
    right: 18px;
    padding: 4px 12px;
    background: var(--btn-grad);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    border-radius: 999px;
}

.service-icon {
    color: var(--pink);
    margin-bottom: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 54px;
    height: 54px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
}

.service-icon svg { width: 26px; height: 26px; }

.service-title {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: #fff;
    margin-bottom: 4px;
}

.service-subtitle {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 14px;
}

.service-desc {
    font-size: 14.5px;
    color: var(--text-muted);
    line-height: 1.75;
    margin-bottom: 20px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 13.5px;
    font-weight: 600;
    color: #fff;
    transition: all 0.2s;
}

.service-link:hover { color: var(--orange); gap: 10px; }

/* ===== 关于区块 ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 70px;
    align-items: center;
}

.about-content .section-tag { margin-bottom: 14px; }
.about-content .section-title { margin-bottom: 20px; }
.about-content .section-desc { margin-bottom: 22px; max-width: 560px; }

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 30px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 13px;
    padding: 14px 16px;
    background: var(--bg-card-2);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: all 0.2s;
}

.about-feature:hover {
    background: var(--bg-card);
    border-color: var(--border-strong);
}

.about-feature-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(255, 73, 44, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--orange);
    flex-shrink: 0;
}

.about-feature-icon svg { width: 18px; height: 18px; }

.about-feature span {
    font-size: 14.5px;
    font-weight: 500;
    color: #fff;
}

.about-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    min-height: 420px;
}

.tech-circle {
    position: absolute;
    border-radius: 50%;
    border: 1px solid var(--border);
    animation: spin 32s linear infinite;
}

.tech-circle-2 {
    width: 360px;
    height: 360px;
    border-color: rgba(255, 73, 44, 0.25);
    animation-duration: 22s;
}

.tech-circle-2::before,
.tech-circle-2::after {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--btn-grad);
    top: 50%;
    left: -5px;
}

.tech-circle-2::after {
    left: auto;
    right: -5px;
}

.tech-circle-3 {
    width: 280px;
    height: 280px;
    animation-direction: reverse;
    animation-duration: 18s;
}

@keyframes spin { to { transform: rotate(360deg); } }

.tech-core {
    width: 190px;
    height: 190px;
    border-radius: 50%;
    background:
        radial-gradient(circle at 32% 28%, rgba(255, 255, 255, 0.12) 0%, transparent 42%),
        var(--btn-grad);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 24px 70px rgba(255, 73, 44, 0.4);
    animation: floatCore 5s ease-in-out infinite;
    z-index: 1;
}

@keyframes floatCore {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.tech-core span {
    font-size: 40px;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: #fff;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
}

/* ===== 新闻卡片 ===== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.news-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    overflow: hidden;
    transition: all 0.28s ease;
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 255, 255, 0.18);
    box-shadow: var(--shadow-card);
    background: #231c33;
}

.news-image {
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(circle at 70% 25%, rgba(255, 73, 44, 0.14) 0%, transparent 50%),
        #1a1428;
    color: var(--orange);
    border-bottom: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.news-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 28px 28px;
}

.news-image svg {
    width: 46px;
    height: 46px;
    position: relative;
    z-index: 1;
}

.news-image .news-category {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 2;
    padding: 4px 12px;
    background: rgba(14, 9, 24, 0.85);
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--text-body);
}

.news-body,
.news-content {
    padding: 22px 24px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.news-title {
    font-size: 17px;
    font-weight: 700;
    line-height: 1.5;
    color: #fff;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.2s;
}

.news-card:hover .news-title { color: var(--orange); }

.news-excerpt {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.75;
    margin-bottom: 18px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-meta {
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 12.5px;
    color: var(--text-dim);
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.news-meta .date {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.news-meta .date svg { width: 13px; height: 13px; }

/* ===== 数据统计条 ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stats-grid .stat-number {
    font-size: 44px;
}

.stats-grid .stat-label {
    font-size: 14px;
}

/* ===== CTA ===== */
/* ===== CTA 横幅（n8n 风格，位于页脚顶部，背景由 .footer 渐变提供） ===== */
.cta-banner {
    position: relative;
    padding: 96px 0 72px;
}

.cta-banner-inner {
    position: relative;
    text-align: center;
    max-width: 780px;
    margin: 0 auto;
    padding: 0 40px;
}

.cta-banner h2 {
    font-size: clamp(30px, 3.8vw, 48px);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #fff;
    margin-bottom: 18px;
    line-height: 1.2;
}

.cta-banner p {
    font-size: 17px;
    color: var(--text-muted);
    margin-bottom: 36px;
    line-height: 1.8;
}

.cta-banner .btn {
    padding: 15px 38px;
    font-size: 15px;
}

/* ===== 页脚 ===== */
.footer {
    position: relative;
    overflow: hidden;
    padding: 0 40px 64px;
    background:
        radial-gradient(ellipse 60% 100% at 50% 0%, rgba(255, 73, 44, 0.32) 0%, rgba(255, 12, 0, 0.12) 42%, rgba(14, 9, 24, 0) 72%),
        linear-gradient(180deg, #33111f 0%, #1c0a1e 55%, #0a0510 100%);
}

/* 星光点缀 */
.footer::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(rgba(255, 255, 255, 0.32) 1px, transparent 1.4px),
        radial-gradient(rgba(255, 184, 41, 0.38) 1px, transparent 1.4px);
    background-size: 30px 30px, 47px 47px;
    background-position: 0 0, 15px 15px;
    opacity: 0.5;
    pointer-events: none;
}

/* 页脚圆角面板（n8n 风格） */
.footer-panel {
    position: relative;
    background: rgba(26, 13, 26, 0.88);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    max-width: 1280px;
    margin: 0 auto;
    padding: 52px 52px 0;
    backdrop-filter: blur(8px);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
    gap: 48px;
    padding: 0 0 48px;
}

.footer-brand .logo-text {
    font-size: 18px;
    margin-bottom: 0;
}

.footer-brand .logo { margin-bottom: 18px; }

.footer-brand p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.8;
    max-width: 340px;
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.footer-social a {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--bg-card-2);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: all 0.2s;
}

.footer-social a svg { width: 17px; height: 17px; }

.footer-social a:hover {
    color: #fff;
    border-color: rgba(255, 73, 44, 0.5);
    background: rgba(255, 73, 44, 0.1);
    transform: translateY(-3px);
}

.footer-col h4 {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
}

.footer-col ul li { margin-bottom: 11px; }

.footer-col ul a {
    font-size: 14px;
    color: var(--text-muted);
    transition: all 0.2s;
}

.footer-col ul a:hover {
    color: #fff;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 14px;
}

.footer-contact svg {
    width: 16px;
    height: 16px;
    color: var(--orange);
    flex-shrink: 0;
    margin-top: 3px;
}

.footer-contact .contact-icon {
    display: inline-flex;
}


.footer-icp {
    display: flex;
    align-items: center;
    gap: 22px;
    flex-wrap: wrap;
    justify-content: flex-start;
}

.footer-icp a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-dim);
    font-size: 13px;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-icp a:hover { color: #fff; }

.footer-icp svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 22px 0;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--text-dim);
    text-align: center;
}

.footer-bottom .icp { color: var(--text-dim); }

/* ===== 内页横幅 ===== */
.page-banner {
    padding: 88px 0 64px;
    background:
        radial-gradient(ellipse 45% 60% at 80% 0%, rgba(255, 73, 44, 0.09) 0%, transparent 60%),
        var(--bg);
    border-bottom: 1px solid var(--border);
}

.page-banner > h1,
.page-banner > p,
.page-banner > .breadcrumb {
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 40px;
    padding-right: 40px;
}

.page-banner h1 {
    font-size: clamp(34px, 4vw, 52px);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #fff;
    margin-bottom: 10px;
}

.page-banner p {
    font-size: 16px;
    color: var(--text-muted);
    margin-bottom: 14px;
    max-width: 620px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-dim);
}

.breadcrumb a { color: var(--text-muted); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--orange); }
.breadcrumb .sep { opacity: 0.5; }
.breadcrumb .current { color: var(--text-body); }

/* ===== 详情页 ===== */
.detail-hero {
    padding: 56px 0 40px;
    border-bottom: 1px solid var(--border);
}

.detail-hero h1 {
    font-size: clamp(28px, 3.2vw, 40px);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #fff;
    line-height: 1.3;
    margin-bottom: 16px;
    max-width: 900px;
}

.detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 22px;
    font-size: 13.5px;
    color: var(--text-muted);
    align-items: center;
}

.detail-meta .category {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 13px;
    background: rgba(255, 73, 44, 0.12);
    border: 1px solid rgba(255, 73, 44, 0.28);
    color: var(--orange);
    border-radius: 999px;
    font-weight: 600;
}

.detail-body {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 56px;
    padding: 64px 0;
    align-items: start;
}

.detail-content {
    font-size: 16px;
    line-height: 2;
    color: var(--text-body);
    min-width: 0;
}

.detail-content h2 {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: #fff;
    margin: 40px 0 16px;
    padding-left: 16px;
    border-left: 3px solid var(--orange);
}

.detail-content h3 {
    font-size: 19px;
    font-weight: 700;
    color: #fff;
    margin: 30px 0 12px;
}

.detail-content p {
    margin-bottom: 18px;
    color: var(--text-body);
}

.detail-content ul,
.detail-content ol {
    margin: 0 0 20px;
    padding-left: 22px;
}

.detail-content li {
    margin-bottom: 9px;
    position: relative;
}

.detail-content ul li::before {
    content: '';
    position: absolute;
    left: -16px;
    top: 13px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--btn-grad);
}

.detail-content img {
    border-radius: var(--radius-card);
    margin: 24px 0;
    border: 1px solid var(--border);
}

.detail-content blockquote {
    padding: 20px 24px;
    background: var(--bg-card);
    border-left: 3px solid var(--orange);
    border-radius: 0 var(--radius-card) var(--radius-card) 0;
    margin: 26px 0;
    color: var(--text-body);
    font-size: 15.5px;
}

.detail-content a { color: var(--orange); text-decoration: underline; text-underline-offset: 3px; }

.detail-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
}

.detail-content th,
.detail-content td {
    padding: 12px 16px;
    border: 1px solid var(--border);
    text-align: left;
}

.detail-content th {
    background: var(--bg-card);
    color: #fff;
    font-weight: 600;
}

.detail-content code {
    background: var(--bg-card);
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 0.9em;
    color: var(--orange);
}

/* 侧栏 */
.detail-sidebar {
    position: sticky;
    top: 96px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.side-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 26px;
}

.side-panel h3 {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
}

.side-panel ul li {
    margin-bottom: 13px;
}

.side-panel ul a {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.5;
    transition: all 0.2s;
    display: block;
}

.side-panel ul a:hover { color: var(--orange); padding-left: 4px; }

/* ===== 联系页 ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
    padding: 72px 0;
    align-items: start;
}

.contact-info h2 {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 26px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
}

.contact-item:last-child { border-bottom: none; }

.contact-item-icon {
    width: 46px;
    height: 46px;
    border-radius: 13px;
    background: rgba(255, 73, 44, 0.1);
    border: 1px solid rgba(255, 73, 44, 0.22);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--orange);
    flex-shrink: 0;
}

.contact-item-icon svg { width: 21px; height: 21px; }

.contact-item h4 {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 5px;
}

.contact-item p {
    font-size: 15.5px;
    color: #fff;
    line-height: 1.6;
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 38px;
}

.contact-form h2 {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 28px;
}

.form-group { margin-bottom: 20px; }

.form-group label {
    display: block;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--text-body);
    margin-bottom: 8px;
}

.form-group label .required { color: var(--orange); margin-left: 3px; }

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 13px 16px;
    background: var(--bg-inset);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-btn);
    color: #fff;
    font-size: 14.5px;
    font-family: inherit;
    font-weight: 400;
    transition: all 0.22s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--orange);
    box-shadow: 0 0 0 3px rgba(255, 73, 44, 0.14);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dim); }

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.contact-form .btn {
    width: 100%;
    padding: 15px;
    font-size: 15px;
    margin-top: 8px;
}

/* ===== 关于页特性 ===== */
.about-section .about-visual { min-height: 400px; }

/* ===== 分类 ===== */
.category {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 12.5px;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--text-body);
    transition: all 0.2s;
    cursor: pointer;
}

.category:hover,
.category.active {
    color: #fff;
    border-color: rgba(255, 73, 44, 0.5);
    background: rgba(255, 73, 44, 0.1);
}

.category svg { width: 13px; height: 13px; }

/* ===== 分页 ===== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 56px 0 8px;
    flex-wrap: wrap;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 42px;
    height: 42px;
    padding: 0 15px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-btn);
    color: var(--text-body);
    font-size: 14px;
    transition: all 0.2s;
}

.pagination a:hover {
    color: #fff;
    border-color: rgba(255, 73, 44, 0.5);
}

.pagination .current {
    background: var(--btn-grad);
    border-color: transparent;
    color: #fff;
    font-weight: 600;
}

/* ===== 语言切换 flag ===== */
.flag { font-size: 14px; }

/* ===== 动画 ===== */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

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

/* ===== 空状态 ===== */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-muted);
}

.empty-state .icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

/* 通用辅助 */
.w3 { color: var(--text-muted); }
.org { color: var(--orange); }