/* =====================================================
   镜涛网络 - 全站公共样式
   目录：
   01 基础    02 头部导航   03 按钮
   04 Hero/内页横幅  05 板块标题
   06 服务    07 外贸优势   08 建站流程
   09 案例    10 关于      11 FAQ
   12 标签云  13 CTA       14 联系/表单
   15 页脚    16 浮动      17 动画
   18 响应式
   ===================================================== */

/* ============ 01 基础 ============ */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --navy: #0b2e59;
    --navy2: #123f77;
    --blue: #2563eb;
    --cyan: #38bdf8;
    --orange: #ff7a1a;
    --text: #33415c;
    --text-light: #6c7a93;
    --bg-light: #f5f8fc;
    --border: #e3eaf3;
    --shadow: 0 8px 30px rgba(11, 46, 89, .08);
}
html { scroll-behavior: smooth; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: var(--text);
    line-height: 1.7;
    background: #fff;
    overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 88px 0; }
.bg-light { background: var(--bg-light); }
.text-center { text-align: center; }
.mt-40 { margin-top: 40px; }
.mt-60 { margin-top: 60px; }

/* ============ 02 头部导航 ============ */
.header {
    position: sticky; top: 0; z-index: 999;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(8px);
    box-shadow: 0 1px 12px rgba(11, 46, 89, .06);
}
.header .container { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 700; color: var(--navy); }
.logo-badge {
    width: 40px; height: 40px; border-radius: 10px;
    background: linear-gradient(135deg, var(--navy), var(--blue));
    color: #fff; display: flex; align-items: center; justify-content: center;
    font-size: 20px; font-weight: 800; flex: none;
}
.nav { display: flex; align-items: center; gap: 30px; }
.nav a { color: var(--text); font-size: 15px; font-weight: 500; transition: color .2s; }
.nav a:hover, .nav a.active { color: var(--blue); }
.nav a.hot { color: var(--orange); }
.nav-cta {
    background: linear-gradient(90deg, var(--blue), var(--cyan));
    color: #fff; padding: 9px 22px; border-radius: 24px; font-weight: 600;
    box-shadow: 0 4px 14px rgba(37, 99, 235, .35); transition: transform .2s;
}
.nav-cta:hover { transform: translateY(-2px); color: #fff; }
.menu-btn { display: none; background: none; border: 0; cursor: pointer; font-size: 26px; color: var(--navy); line-height: 1; }

/* ============ 03 按钮 ============ */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 14px 34px; border-radius: 30px; font-size: 16px; font-weight: 700;
    transition: all .25s; cursor: pointer; border: 0;
}
.btn-orange { background: linear-gradient(90deg, #ff8f2a, var(--orange)); color: #fff; box-shadow: 0 8px 24px rgba(255, 122, 26, .4); }
.btn-orange:hover { transform: translateY(-3px); }
.btn-ghost { background: rgba(255, 255, 255, .12); color: #fff; border: 1px solid rgba(255, 255, 255, .5); }
.btn-ghost:hover { background: rgba(255, 255, 255, .24); }
.btn-blue { background: linear-gradient(90deg, var(--blue), var(--cyan)); color: #fff; }
.btn-blue:hover { transform: translateY(-3px); box-shadow: 0 8px 22px rgba(37, 99, 235, .35); }
.btn-white { background: #fff; color: var(--orange); box-shadow: 0 10px 26px rgba(0, 0, 0, .18); }
.btn-white:hover { transform: translateY(-3px); }
.btn-sm { padding: 10px 24px; font-size: 14px; }

/* ============ 04 Hero / 内页横幅 ============ */
.hero {
    background: radial-gradient(900px 480px at 85% 10%, #1b5ec0 0%, transparent 55%),
                radial-gradient(700px 420px at 0% 100%, #0e5f8f 0%, transparent 50%),
                linear-gradient(135deg, #081f3e 0%, var(--navy) 60%, #0d3d7c 100%);
    color: #fff; padding: 96px 0 120px; position: relative; overflow: hidden;
}
/* Hero 背景 Banner 图片轮播 */
.hero-slides { position: absolute; inset: 0; z-index: 0; }
.hero-slide {
    position: absolute; inset: 0; width: 100%; height: 100%;
    object-fit: cover; object-position: center; opacity: 0;
    transform: scale(1.04); transition: opacity 1.1s ease, transform 6s linear;
}
.hero-slide.is-active { opacity: 1; transform: scale(1); }
.hero::before {
    content: ""; position: absolute; inset: 0; z-index: 1;
    background:
        radial-gradient(circle at 20% 30%, rgba(56, 189, 248, .25) 0 1px, transparent 2px) 0 0/36px 36px,
        radial-gradient(circle at 70% 70%, rgba(56, 189, 248, .18) 0 1px, transparent 2px) 0 0/52px 52px,
        linear-gradient(115deg, rgba(6, 23, 48, .86) 0%, rgba(6, 23, 48, .52) 46%, rgba(6, 23, 48, .18) 68%, rgba(6, 23, 48, .72) 100%);
}
.hero-dots {
    position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%);
    display: flex; gap: 10px; z-index: 3;
}
.hero-dot {
    width: 26px; height: 6px; border-radius: 3px; border: 0; cursor: pointer;
    background: rgba(255, 255, 255, .4); transition: width .3s, background .3s; padding: 0;
}
.hero-dot.is-active { width: 38px; background: var(--orange); }
.hero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: center; }
.hero h1 { font-size: 52px; line-height: 1.25; font-weight: 800; letter-spacing: 1px; }
.hero h1 em { font-style: normal; background: linear-gradient(90deg, #5fb2ff, #38f0e0); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .sub { font-size: 18px; color: rgba(255, 255, 255, .82); margin: 22px 0 28px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px 26px; margin-bottom: 34px; }
.hero-points li { font-size: 15px; color: rgba(255, 255, 255, .92); display: flex; align-items: center; gap: 8px; }
.hero-points svg { color: #4ade80; flex: none; }
.hero-btns { display: flex; gap: 18px; flex-wrap: wrap; }
.hero-visual { position: relative; min-height: 380px; display: block; }
.hero-visual .chip {
    position: absolute; background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .35);
    padding: 10px 18px; border-radius: 22px; font-size: 14px; color: #fff;
    backdrop-filter: blur(6px); animation: float 6s ease-in-out infinite;
}
.chip.c1 { top: 0; left: 4%; animation-delay: 0s; }
.chip.c2 { top: 22%; right: 2%; animation-delay: 1.2s; }
.chip.c3 { bottom: 24%; left: 0; animation-delay: 2s; }
.chip.c4 { bottom: 0; right: 12%; animation-delay: .6s; }
.chip.c5 { top: 52%; left: 30%; animation-delay: 1.6s; }
.globe-ring {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 320px; height: 320px; border-radius: 50%;
    border: 1px dashed rgba(255, 255, 255, .35);
}
.globe-ring::before {
    content: ""; position: absolute; inset: 44px; border-radius: 50%;
    border: 1px dashed rgba(56, 189, 248, .5);
}
.globe-ring svg {
    position: absolute; inset: 0; margin: auto;
    width: 130px; height: 130px; color: rgba(255, 255, 255, .9);
    filter: drop-shadow(0 0 18px rgba(95, 208, 255, .45));
}
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }

/* Hero 统计条 */
.hero-stats { border-top: 1px solid rgba(255, 255, 255, .15); margin-top: 70px; }
.hero-stats .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding-top: 40px; }
.stat b { font-size: 40px; font-weight: 800; color: #5fd0ff; font-family: Arial, sans-serif; }
.stat span { display: block; color: rgba(255, 255, 255, .78); font-size: 15px; margin-top: 4px; }

/* 内页横幅 */
.page-hero {
    background:
        linear-gradient(115deg, rgba(6, 23, 48, .84) 0%, rgba(6, 23, 48, .6) 48%, rgba(9, 36, 74, .66) 100%),
        url(../images/page-hero.jpg) center/cover no-repeat;
    color: #fff; padding: 78px 0 84px; position: relative; overflow: hidden;
}
.page-hero::before {
    content: ""; position: absolute; inset: 0;
    background:
        radial-gradient(circle at 25% 35%, rgba(56, 189, 248, .2) 0 1px, transparent 2px) 0 0/36px 36px,
        radial-gradient(circle at 75% 70%, rgba(56, 189, 248, .14) 0 1px, transparent 2px) 0 0/52px 52px;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { font-size: 44px; font-weight: 800; margin-bottom: 14px; }
.page-hero h1 em { font-style: normal; color: #5fd0ff; }
.page-hero p { font-size: 17px; color: rgba(255, 255, 255, .82); max-width: 780px; }
.crumb { margin-top: 22px; font-size: 14px; color: rgba(255, 255, 255, .65); }
.crumb a { color: rgba(255, 255, 255, .85); }
.crumb a:hover { color: #5fd0ff; }
.crumb span { margin: 0 8px; color: rgba(255, 255, 255, .5); }

/* ============ 05 板块标题 ============ */
.sec-head { text-align: center; margin-bottom: 54px; }
.sec-head .en { color: var(--blue); letter-spacing: 4px; font-size: 14px; font-weight: 700; text-transform: uppercase; }
.sec-head h2 { font-size: 36px; color: var(--navy); margin: 8px 0 14px; font-weight: 800; }
.sec-head h2 i, .sec-head h2 em { font-style: normal; color: var(--orange); }
.sec-head p { color: var(--text-light); max-width: 760px; margin: 0 auto; }
.sec-head.light h2 { color: #fff; }
.sec-head.light p { color: rgba(255, 255, 255, .7); }
.sec-head.light .en { color: #5fd0ff; }

/* ============ 06 服务 ============ */
.services { background: var(--bg-light); }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.service-card {
    background: #fff; border-radius: 16px; padding: 34px 30px;
    border: 1px solid var(--border); box-shadow: var(--shadow);
    transition: transform .3s, box-shadow .3s; position: relative;
}
.service-card:hover { transform: translateY(-8px); box-shadow: 0 18px 44px rgba(11, 46, 89, .14); }
.service-card .flag {
    position: absolute; top: 18px; right: 18px; font-size: 12px;
    background: linear-gradient(90deg, var(--orange), #ffb35c); color: #fff;
    padding: 3px 10px; border-radius: 12px; font-weight: 700;
}
.service-icon {
    width: 62px; height: 62px; border-radius: 16px; display: flex; align-items: center; justify-content: center;
    margin-bottom: 20px; color: #fff;
}
.ic-blue { background: linear-gradient(135deg, var(--blue), #5fb2ff); }
.ic-navy { background: linear-gradient(135deg, var(--navy), var(--blue)); }
.ic-green { background: linear-gradient(135deg, #059669, #34d399); }
.ic-orange { background: linear-gradient(135deg, #ea580c, #fb923c); }
.ic-purple { background: linear-gradient(135deg, #7c3aed, #a78bfa); }
.ic-cyan { background: linear-gradient(135deg, #0891b2, #22d3ee); }
.service-card h3 { font-size: 21px; color: var(--navy); margin-bottom: 10px; }
.service-card h3 small { font-weight: 400; font-size: 13px; color: var(--orange); margin-left: 8px; }
.service-card p { font-size: 14.5px; color: var(--text-light); margin-bottom: 16px; }
.service-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.service-tags span {
    font-size: 12.5px; background: var(--bg-light); color: var(--navy2);
    border-radius: 14px; padding: 4px 12px; border: 1px solid var(--border);
}
.service-tags a { display: block; }
.service-tags a span { cursor: pointer; transition: .2s; }
.service-tags a span:hover { background: var(--blue); color: #fff; border-color: transparent; }

/* ============ 07 外贸优势（深色块） ============ */
.abroad {
    background: linear-gradient(180deg, #0a2750 0%, var(--navy) 100%);
    color: #fff; position: relative; overflow: hidden;
}
.abroad::before {
    content: ""; position: absolute; width: 560px; height: 560px; border-radius: 50%;
    background: radial-gradient(circle, rgba(56, 189, 248, .16), transparent 65%); top: -180px; right: -180px;
}
.abroad .sec-head h2 { color: #fff; }
.abroad .sec-head p { color: rgba(255, 255, 255, .7); }
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; position: relative; z-index: 2; }
.feat-card {
    background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 16px; padding: 30px; transition: background .3s, transform .3s;
}
.feat-card:hover { background: rgba(255, 255, 255, .13); transform: translateY(-6px); }
.feat-card .num { font-family: Arial; font-size: 15px; color: #5fd0ff; font-weight: 800; letter-spacing: 2px; }
.feat-card h3 { font-size: 19px; margin: 10px 0 8px; }
.feat-card p { font-size: 14px; color: rgba(255, 255, 255, .75); }
.abroad-cta { text-align: center; margin-top: 46px; }

/* 白底版 feat（服务详情页等） */
.feat-grid.white .feat-card { background: #fff; border-color: var(--border); box-shadow: var(--shadow); }
.feat-grid.white .feat-card h3 { color: var(--navy); }
.feat-grid.white .feat-card p { color: var(--text-light); }
.feat-grid.white .feat-card:hover { transform: translateY(-6px); box-shadow: 0 18px 44px rgba(11, 46, 89, .14); }
.feat-grid.white .feat-card .num { color: var(--blue); }

/* ============ 08 建站流程 ============ */
.flow-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; position: relative; }
.flow-step { text-align: center; padding: 0 12px; position: relative; }
.flow-step::after {
    content: ""; position: absolute; top: 30px; left: calc(50% + 38px); width: calc(100% - 76px);
    border-top: 2px dashed var(--cyan); opacity: .5;
}
.flow-step:last-child::after { display: none; }
.flow-step .dot {
    width: 60px; height: 60px; margin: 0 auto 18px; border-radius: 50%;
    background: linear-gradient(135deg, var(--navy), var(--blue)); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 24px; font-weight: 800; font-family: Arial; box-shadow: 0 8px 20px rgba(37, 99, 235, .3);
    position: relative; z-index: 2;
}
.flow-step h4 { color: var(--navy); font-size: 17px; margin-bottom: 6px; }
.flow-step p { font-size: 13.5px; color: var(--text-light); }

/* ============ 09 案例 ============ */
.cases { background: var(--bg-light); }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.case-card {
    background: #fff; border-radius: 16px; overflow: hidden; border: 1px solid var(--border);
    box-shadow: var(--shadow); transition: transform .3s, box-shadow .3s;
}
.case-card:hover { transform: translateY(-8px); box-shadow: 0 18px 44px rgba(11, 46, 89, .14); }
.case-cover { height: 200px; color: #fff; position: relative; overflow: hidden; background-position: center; background-size: cover; }
.case-cover img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.case-card:hover .case-cover img { transform: scale(1.07); }
.case-cover::after {
    content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
    background: linear-gradient(to top, rgba(6, 23, 48, .8) 0%, rgba(6, 23, 48, .3) 52%, rgba(6, 23, 48, .08) 100%);
}
.case-cover .tag {
    position: absolute; left: 14px; bottom: 14px; z-index: 2; font-size: 12px;
    background: rgba(6, 23, 48, .55); backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, .35); border-radius: 12px; padding: 3px 12px;
}
.g1 { background: linear-gradient(135deg, #0b2e59, #2563eb); }
.g2 { background: linear-gradient(135deg, #065f46, #10b981); }
.g3 { background: linear-gradient(135deg, #7c2d12, #ea580c); }
.g4 { background: linear-gradient(135deg, #4c1d95, #7c3aed); }
.g5 { background: linear-gradient(135deg, #164e63, #0891b2); }
.g6 { background: linear-gradient(135deg, #831843, #db2777); }
.case-body { padding: 20px 22px 24px; }
.case-body h3 { font-size: 17px; color: var(--navy); margin-bottom: 6px; }
.case-body p { font-size: 13.5px; color: var(--text-light); }
.case-body .languages { display: flex; gap: 6px; margin-top: 12px; flex-wrap: wrap; }
.case-body .languages span { font-size: 12px; color: var(--blue); background: #eaf2ff; border-radius: 10px; padding: 2px 8px; }

/* 案例页筛选 */
.filter-bar { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-bottom: 44px; }
.filter-btn {
    border: 1px solid var(--border); background: #fff; color: var(--navy2);
    padding: 8px 22px; border-radius: 24px; font-size: 14px; cursor: pointer; transition: .25s;
}
.filter-btn:hover, .filter-btn.active { background: linear-gradient(90deg, var(--blue), var(--cyan)); color: #fff; border-color: transparent; }
.case-card.hidden { display: none; }

/* ============ 10 关于 ============ */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.about-visual { background: linear-gradient(135deg, #eaf2ff, #dff5ff); border-radius: 20px; padding: 46px 40px; position: relative; }
.about-figure { position: relative; margin: 0 0 24px; border-radius: 14px; overflow: hidden; box-shadow: 0 12px 28px rgba(11, 46, 89, .16); }
.about-figure img { display: block; width: 100%; height: 210px; object-fit: cover; object-position: 50% 40%; }
.about-figure::after {
    content: ""; position: absolute; right: 0; bottom: 0; width: 52%; height: 30%; pointer-events: none;
    background: linear-gradient(315deg, rgba(234, 242, 255, .92) 0%, rgba(234, 242, 255, .45) 45%, rgba(234, 242, 255, 0) 100%);
}
.about-visual h3 { font-size: 26px; color: var(--navy); margin-bottom: 6px; }
.about-visual h3 em { color: var(--orange); font-style: normal; }
.about-visual p { font-size: 14px; color: var(--text-light); margin-bottom: 24px; }
.about-stats2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.about-stats2 .cell { background: #fff; border-radius: 14px; padding: 18px; box-shadow: 0 4px 16px rgba(11,46,89,.06); text-align: center; }
.about-stats2 b { font-size: 28px; color: var(--blue); font-family: Arial; }
.about-stats2 span { display: block; font-size: 13px; color: var(--text-light); margin-top: 2px; }
.about-text h2 { font-size: 34px; color: var(--navy); line-height: 1.4; margin-bottom: 22px; font-weight: 800; }
.about-text h2 i { color: var(--orange); font-style: normal; }
.about-text p { color: var(--text-light); margin-bottom: 16px; font-size: 15.5px; }
.about-feats li { display: flex; gap: 12px; margin-bottom: 14px; font-size: 15px; color: var(--text); align-items: flex-start; }
.about-feats svg { color: var(--blue); flex: none; margin-top: 4px; }

/* 关于页：理念/历程/团队 */
.mission-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.mission-card { background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 30px; text-align: center; box-shadow: var(--shadow); transition: transform .3s; }
.mission-card:hover { transform: translateY(-6px); }
.mission-icon {
    width: 60px; height: 60px; margin: 0 auto 16px; border-radius: 50%;
    background: linear-gradient(135deg, var(--blue), var(--cyan)); color: #fff;
    display: flex; align-items: center; justify-content: center;
}
.mission-card h3 { color: var(--navy); font-size: 18px; margin-bottom: 8px; }
.mission-card p { color: var(--text-light); font-size: 14px; }
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.team-card { background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 30px 24px; text-align: center; box-shadow: var(--shadow); transition: transform .3s; }
.team-card:hover { transform: translateY(-6px); }
.team-avatar {
    width: 78px; height: 78px; border-radius: 50%; margin: 0 auto 14px;
    background: linear-gradient(135deg, var(--navy), var(--blue)); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 30px; font-weight: 800; font-family: Arial;
}
.team-card h3 { color: var(--navy); font-size: 17px; }
.team-card .role { color: var(--orange); font-size: 13px; margin: 4px 0 10px; }
.team-card p { color: var(--text-light); font-size: 13.5px; }
.timeline { position: relative; max-width: 760px; margin: 0 auto; padding-left: 34px; }
.timeline::before { content: ""; position: absolute; left: 10px; top: 6px; bottom: 6px; width: 3px; border-radius: 2px; background: linear-gradient(180deg, var(--blue), var(--cyan)); opacity: .5; }
.timeline li { position: relative; padding: 0 0 34px; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before {
    content: ""; position: absolute; left: -34px; top: 8px; width: 16px; height: 16px; border-radius: 50%;
    background: #fff; border: 4px solid var(--blue);
}
.timeline b { color: var(--navy); font-size: 17px; display: block; margin-bottom: 4px; }
.timeline b time { color: var(--orange); font-weight: 800; margin-right: 12px; }
.timeline p { color: var(--text-light); font-size: 14.5px; }

/* ============ 11 FAQ ============ */
.faq { background: var(--bg-light); }
.faq-list { max-width: 900px; margin: 0 auto; }
.faq-item {
    background: #fff; border: 1px solid var(--border); border-radius: 14px;
    margin-bottom: 14px; box-shadow: 0 4px 14px rgba(11,46,89,.04); overflow: hidden;
}
.faq-q {
    padding: 20px 26px; display: flex; justify-content: space-between; align-items: center;
    cursor: pointer; font-size: 16px; font-weight: 600; color: var(--navy); user-select: none;
}
.faq-q .arrow { font-size: 14px; color: var(--blue); transition: transform .3s; flex: none; margin-left: 14px; }
.faq-item.open .arrow { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-a-inner { padding: 0 26px 22px; color: var(--text-light); font-size: 14.5px; }

/* ============ 12 标签云 ============ */
.tagzone { background: linear-gradient(180deg, #fff, #f0f6ff); }
.tags-block { margin-bottom: 40px; }
.tags-block h3 { text-align: center; font-size: 24px; color: var(--navy); margin-bottom: 26px; position: relative; }
.tags-block h3::after { content: ""; display: block; width: 60px; height: 3px; border-radius: 2px; background: linear-gradient(90deg, var(--blue), var(--cyan)); margin: 10px auto 0; }
.tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.tags li {
    background: #fff; border: 1px solid var(--border); color: var(--navy2);
    padding: 8px 20px; border-radius: 22px; font-size: 14px; transition: all .25s; cursor: default;
}
.tags li:hover { background: linear-gradient(90deg, var(--blue), var(--cyan)); color: #fff; border-color: transparent; transform: translateY(-3px); }
.tags a li { cursor: pointer; }
.tags a:hover li { background: linear-gradient(90deg, var(--blue), var(--cyan)); color: #fff; border-color: transparent; transform: translateY(-3px); }

/* ============ 13 CTA ============ */
.cta-band {
    background: linear-gradient(120deg, #ff8f2a 0%, var(--orange) 45%, #ff6a1a 100%);
    color: #fff; text-align: center; padding: 64px 0;
}
.cta-band h2 { font-size: 34px; margin-bottom: 12px; font-weight: 800; }
.cta-band p { font-size: 17px; margin-bottom: 28px; opacity: .95; }

/* ============ 14 联系 / 表单 ============ */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.15fr; gap: 50px; align-items: start; }
.contact-item { display: flex; gap: 18px; align-items: flex-start; background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 22px; box-shadow: var(--shadow); margin-bottom: 18px; }
.contact-ico {
    width: 52px; height: 52px; border-radius: 14px; flex: none;
    background: linear-gradient(135deg, var(--blue), var(--cyan)); color: #fff;
    display: flex; align-items: center; justify-content: center;
}
.contact-item h3 { color: var(--navy); font-size: 17px; margin-bottom: 4px; }
.contact-item p { color: var(--text-light); font-size: 14.5px; }
.contact-item p b { color: var(--blue); font-size: 20px; font-family: Arial; }
.form-box { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 40px; box-shadow: var(--shadow); }
.form-box h3 { color: var(--navy); font-size: 24px; margin-bottom: 6px; }
.form-box .form-tip { color: var(--text-light); font-size: 14px; margin-bottom: 26px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 14px; color: var(--navy2); font-weight: 600; margin-bottom: 7px; }
.form-group label i { color: var(--orange); font-style: normal; margin-right: 2px; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; border: 1px solid var(--border); border-radius: 10px; padding: 12px 15px;
    font-size: 14.5px; color: var(--text); outline: none; transition: border .2s, box-shadow .2s;
    font-family: inherit; background: #fbfdff;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37, 99, 235, .12); background: #fff;
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-submit { width: 100%; margin-top: 4px; }
.form-ok { display: none; text-align: center; padding: 34px 10px; }
.form-ok.show { display: block; }
.form-ok svg { color: #16a34a; margin-bottom: 10px; }
.form-ok h3 { color: var(--navy); }
.form-ok p { color: var(--text-light); font-size: 14px; margin-top: 6px; }

/* ============ 15 页脚 ============ */
.footer { background: #081f3e; color: rgba(255, 255, 255, .75); padding: 66px 0 0; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 44px; padding-bottom: 44px; }
.footer h4 { color: #fff; font-size: 17px; margin-bottom: 20px; position: relative; padding-left: 14px; }
.footer h4::before { content: ""; position: absolute; left: 0; top: 6px; width: 4px; height: 18px; border-radius: 2px; background: var(--orange); }
.footer-about p { line-height: 1.9; }
.footer-about .f-logo { display: flex; align-items: center; gap: 10px; font-size: 22px; color: #fff; font-weight: 800; margin-bottom: 16px; }
.footer ul li { margin-bottom: 11px; }
.footer ul a:hover { color: #5fd0ff; }
.footer .contact li { display: flex; gap: 10px; margin-bottom: 14px; align-items: flex-start; }
.footer .contact svg { flex: none; margin-top: 5px; color: #5fd0ff; }
.footer .contact b { color: #5fd0ff; font-size: 22px; font-family: Arial; letter-spacing: 1px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .12); padding: 22px 0; font-size: 13px; text-align: center; }
.footer-bottom a:hover { color: #5fd0ff; }
.kw-links { text-align: center; padding: 20px 0; border-top: 1px solid rgba(255,255,255,.1); font-size: 13px; }
.kw-links span { margin: 0 10px; }

/* ============ 16 浮动 ============ */
.float-box { position: fixed; right: 22px; bottom: 90px; z-index: 900; display: flex; flex-direction: column; gap: 12px; }
.float-btn {
    width: 48px; height: 48px; border-radius: 50%; background: #fff; color: var(--navy);
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 6px 18px rgba(11,46,89,.2); transition: all .25s;
}
.float-btn:hover { transform: translateY(-4px); }
.float-btn.tel { background: linear-gradient(135deg, var(--orange), #ffb35c); color: #fff; }
.float-btn.top { opacity: 0; pointer-events: none; }
.float-btn.top.show { opacity: 1; pointer-events: auto; }

/* ============ 17 动画 ============ */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s ease; }
.reveal.show { opacity: 1; transform: none; }

/* ============ 18 响应式 ============ */
@media (max-width: 992px) {
    .service-grid, .case-grid, .feat-grid, .mission-grid { grid-template-columns: repeat(2, 1fr); }
    .team-grid { grid-template-columns: repeat(2, 1fr); }
    .flow-grid { grid-template-columns: repeat(3, 1fr); gap: 34px 0; }
    .flow-step::after { display: none; }
    .hero .container { grid-template-columns: 1fr; }
    .hero-visual { display: none; }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .hero-stats .container { grid-template-columns: repeat(2, 1fr); }
    .contact-wrap { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
    .section { padding: 60px 0; }
    .nav { display: none; flex-direction: column; position: absolute; top: 70px; left: 0; right: 0;
           background: #fff; padding: 20px; box-shadow: 0 12px 30px rgba(0,0,0,.12); gap: 18px; text-align: center; }
    .nav.open { display: flex; }
    .menu-btn { display: block; }
    .hero h1 { font-size: 36px; }
    .page-hero h1 { font-size: 30px; }
    .service-grid, .case-grid, .feat-grid, .mission-grid, .team-grid { grid-template-columns: 1fr; }
    .flow-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .sec-head h2 { font-size: 28px; }
    .hero { padding: 60px 0 80px; }
    .page-hero { padding: 56px 0 62px; }
    .form-row { grid-template-columns: 1fr; }
    .form-box { padding: 26px 20px; }
}

/* ============ 19 右下角 联系我们 悬浮弹层 ============ */
.fc-btn { width: 54px; height: 54px; background: linear-gradient(135deg, #ff9a3d, #ff6a00); color: #fff; border-radius: 50%; position: relative; }
.fc-btn svg { width: 24px; height: 24px; }
.fc-btn .fc-label {
    position: absolute; right: 64px; top: 50%; transform: translateY(-50%);
    background: var(--navy); color: #fff; font-size: 13px; padding: 6px 12px;
    border-radius: 20px; white-space: nowrap; opacity: 0; pointer-events: none;
    transition: opacity .25s, right .25s;
}
.fc-btn:hover .fc-label { opacity: 1; right: 70px; }
.fc-btn::after {
    content: ""; position: absolute; inset: -6px; border-radius: 50%;
    border: 2px solid rgba(255, 122, 20, .55); animation: fcPulse 2s ease-out infinite;
}
.fc-btn.active::after { display: none; }
@keyframes fcPulse {
    0% { transform: scale(.8); opacity: .9; }
    70% { transform: scale(1.28); opacity: 0; }
    100% { transform: scale(1.28); opacity: 0; }
}
.fc-panel {
    position: fixed; right: 22px; bottom: 158px; width: 288px; z-index: 910;
    background: #fff; border-radius: 14px; overflow: hidden;
    box-shadow: 0 18px 50px rgba(11, 46, 89, .22);
    opacity: 0; transform: translateY(14px) scale(.96); transform-origin: bottom right;
    visibility: hidden; transition: opacity .3s, transform .3s, visibility .3s;
}
.fc-panel.open { opacity: 1; transform: none; visibility: visible; }
.fc-head {
    background: linear-gradient(135deg, #0b2e59, #16427f); color: #fff;
    padding: 14px 16px; display: flex; align-items: center; justify-content: space-between;
}
.fc-title { display: flex; align-items: center; gap: 9px; font-size: 15px; font-weight: 600; }
.fc-dot {
    width: 8px; height: 8px; border-radius: 50%; background: #2ee6a8;
    box-shadow: 0 0 0 3px rgba(46, 230, 168, .22); animation: fcBlink 1.6s infinite;
}
@keyframes fcBlink { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
.fc-close {
    background: rgba(255, 255, 255, .16); border: none; width: 26px; height: 26px; border-radius: 50%;
    color: #fff; cursor: pointer; display: flex; align-items: center; justify-content: center;
    transition: background .2s;
}
.fc-close svg { width: 13px; height: 13px; }
.fc-close:hover { background: rgba(255, 255, 255, .32); }
.fc-body { padding: 16px; }
.fc-tip { font-size: 13px; color: #45556a; line-height: 1.7; margin: 0 0 12px; }
.fc-phone {
    display: flex; align-items: center; gap: 12px; text-decoration: none;
    background: #fff6ec; border: 1px solid #ffe0bf; border-radius: 10px;
    padding: 10px 12px; margin-bottom: 12px; transition: border-color .2s;
}
.fc-phone:hover { border-color: #ffb066; }
.fc-phone-ico {
    width: 40px; height: 40px; border-radius: 50%; flex: none;
    background: linear-gradient(135deg, #ff9a3d, #ff6a00);
    display: flex; align-items: center; justify-content: center;
}
.fc-phone-ico svg { width: 20px; height: 20px; color: #fff; }
.fc-phone small { display: block; font-size: 11px; color: #a0713f; }
.fc-phone b { font-size: 19px; color: #ff6a00; letter-spacing: .5px; }
.fc-form { display: flex; gap: 8px; margin-bottom: 10px; }
.fc-form input {
    flex: 1; min-width: 0; height: 40px; border: 1px solid #dbe3ee; border-radius: 8px;
    padding: 0 12px; font-size: 13px; outline: none; transition: border-color .2s;
}
.fc-form input:focus { border-color: #ff9a3d; }
.fc-form button {
    border: none; background: linear-gradient(135deg, #ff9a3d, #ff6a00); color: #fff;
    border-radius: 8px; padding: 0 14px; font-size: 13px; cursor: pointer;
    white-space: nowrap; transition: opacity .2s;
}
.fc-form button:hover { opacity: .9; }
.fc-note { font-size: 11px; color: #93a1b5; line-height: 1.7; margin: 0; }
.fc-ok { color: #1e9e63; font-size: 14px; text-align: center; padding: 8px 0; margin: 0; }
@media (max-width: 640px) {
    .fc-btn { width: 50px; height: 50px; }
    .fc-btn svg { width: 22px; height: 22px; }
    .fc-panel { right: 14px; bottom: 140px; width: min(288px, calc(100vw - 28px)); }
}

/* ============ 16 资讯栏目（列表 / 文章详情 / 首页资讯） ============ */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.news-grid.two { grid-template-columns: repeat(2, 1fr); }
.news-card {
    background: #fff; border: 1px solid #edf2f8; border-radius: 16px; overflow: hidden;
    display: flex; flex-direction: column;
    box-shadow: 0 4px 18px rgba(13, 55, 94, .06); transition: transform .3s, box-shadow .3s, border-color .3s;
}
.news-card:hover { transform: translateY(-6px); box-shadow: 0 14px 30px rgba(13, 55, 94, .12); border-color: rgba(247, 127, 30, .35); }
.news-thumb { display: block; aspect-ratio: 16 / 9; overflow: hidden; background: #eef4fb; position: relative; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.news-card:hover .news-thumb img { transform: scale(1.06); }
.news-body { padding: 20px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.news-meta { display: flex; align-items: center; gap: 10px; font-size: 13px; color: #8494ab; margin-bottom: 10px; }
.news-cat { color: var(--orange); font-weight: 700; }
.news-dot { width: 3px; height: 3px; border-radius: 50%; background: #c4cedd; }
.news-title { margin: 0 0 10px; font-size: 18px; line-height: 1.5; }
.news-title a { color: var(--navy); transition: color .2s; }
.news-title a:hover { color: var(--orange); }
.news-excerpt { margin: 0 0 16px; font-size: 14px; line-height: 1.85; color: #5b6b84; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-more { margin-top: auto; font-size: 14px; font-weight: 700; color: var(--orange); display: inline-flex; align-items: center; gap: 4px; }
.news-more svg { width: 15px; height: 15px; transition: transform .25s; }
.news-card:hover .news-more svg { transform: translateX(4px); }

/* 资讯列表页 */
.news-list .news-grid { row-gap: 30px; }
.news-note { margin: 40px auto 0; max-width: 720px; text-align: center; background: linear-gradient(135deg, #f2f7ff, #fff6ec); border: 1px dashed #dbe6f5; border-radius: 14px; padding: 22px 26px; color: #5b6b84; font-size: 14px; line-height: 1.9; }
.news-note strong { color: var(--navy); }

/* 文章详情 */
.post-wrap { max-width: 880px; margin: 0 auto; }
.post-head h1 { font-size: clamp(24px, 3vw, 33px); line-height: 1.45; color: var(--navy); margin: 12px 0 14px; }
.post-head p { color: #5b6b84; font-size: 15px; line-height: 1.9; margin: 0 0 18px; }
.post-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; font-size: 14px; color: #8494ab; }
.post-meta a { color: var(--orange); font-weight: 700; }
.post-cover { margin: 22px 0 6px; border-radius: 16px; overflow: hidden; box-shadow: 0 12px 30px rgba(13, 55, 94, .12); }
.post-cover img { display: block; width: 100%; aspect-ratio: 16 / 8.5; object-fit: cover; }
.post-cover figcaption { background: #f5f8fd; color: #8494ab; font-size: 12px; text-align: center; padding: 8px; }
.post-body { margin-top: 28px; color: #3c4b63; font-size: 16px; line-height: 2.05; }
.post-body h2 { font-size: 22px; color: var(--navy); line-height: 1.5; margin: 38px 0 14px; padding-left: 14px; border-left: 4px solid var(--orange); }
.post-body h3 { font-size: 18px; color: var(--navy); margin: 26px 0 10px; }
.post-body p { margin: 0 0 18px; }
.post-body ul, .post-body ol { margin: 0 0 20px; padding-left: 24px; }
.post-body li { margin-bottom: 9px; }
.post-body li::marker { color: var(--orange); }
.post-body strong { color: var(--navy); }
.post-body a { color: var(--orange); text-decoration: underline; }
.post-body .tip { background: #fff7ec; border: 1px solid #ffe4c2; border-left: 4px solid var(--orange); border-radius: 8px; padding: 14px 18px; margin: 0 0 20px; font-size: 15px; color: #5b4632; }
.post-body .num-li strong { display: inline-block; margin-right: 4px; color: var(--orange); }
.post-tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 30px 0 0; padding-top: 20px; border-top: 1px dashed #dde5f0; }
.post-tag { font-size: 13px; color: var(--navy); background: #f1f6fc; border: 1px solid #e1eaf5; border-radius: 20px; padding: 4px 14px; }
.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 30px 0 4px; }
.post-nav a { display: block; background: #fff; border: 1px solid #edf2f8; border-radius: 14px; padding: 16px 18px; transition: border-color .25s, transform .25s; }
.post-nav a:hover { border-color: rgba(247, 127, 30, .5); transform: translateY(-2px); }
.post-nav small { display: block; color: #8b9bb1; font-size: 12px; margin-bottom: 6px; }
.post-nav strong { color: var(--navy); font-size: 14px; line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-nav .next { text-align: right; }
.post-share { margin: 26px 0 0; font-size: 13px; color: #8494ab; }

/* 首页最新资讯区头部导航到栏目 */
.news-more-link { display: inline-flex; align-items: center; gap: 6px; color: var(--navy); font-size: 15px; font-weight: 600; }
.news-more-link:hover { color: var(--orange); }
@media (max-width: 992px) {
    .news-grid, .news-grid.two { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .news-grid, .news-grid.two { grid-template-columns: 1fr; }
    .news-title { font-size: 17px; }
    .post-nav { grid-template-columns: 1fr; }
    .post-nav .next { text-align: left; }
    .post-body { font-size: 15.5px; }
}

/* 首页最新资讯区 */
.section.news { background: linear-gradient(180deg, #ffffff 0%, #f4f8fd 100%); }
.section.news .sec-head { position: relative; }
.section.news .sec-more { position: absolute; top: 12px; right: 0; }
@media (max-width: 640px) {
    .section.news .sec-more { position: static; margin-top: -26px; }
    .section.news .sec-head { margin-bottom: 34px; }
}