/* ===== 基础变量与重置 ===== */
:root{
  --primary:#0b2e4f;
  --primary-2:#15406b;
  --accent:#00b4d8;
  --accent-2:#2dd4bf;
  --text:#1f2933;
  --muted:#5b6b7b;
  --line:#e3ebf2;
  --bg:#ffffff;
  --bg-alt:#f4f8fb;
  --shadow:0 10px 30px rgba(11,46,79,.08);
  --radius:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{width:min(1160px,92vw);margin:0 auto}
em{font-style:normal}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 26px;border-radius:999px;font-weight:600;font-size:15px;
  transition:.25s;cursor:pointer;border:1.5px solid transparent;white-space:nowrap;
}
.btn-primary{background:linear-gradient(120deg,var(--accent),var(--accent-2));color:#04263a;box-shadow:0 8px 22px rgba(0,180,216,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,180,216,.45)}
.btn-outline{border-color:rgba(255,255,255,.7);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn-ghost{border-color:var(--accent);color:var(--accent);padding:9px 20px;font-size:14px}
.btn-ghost:hover{background:var(--accent);color:#04263a}
.btn-block{width:100%}

/* ===== 顶部导航 ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:.3s;padding:14px 0;
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px;color:#fff}
.brand-mark{
  width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#04263a;font-weight:800;font-size:20px;box-shadow:0 6px 16px rgba(0,180,216,.4);
}
.brand-text{font-weight:700;font-size:18px;line-height:1.1;display:flex;flex-direction:column}
.brand-text small{font-size:10px;letter-spacing:2px;font-weight:500;opacity:.7}
.nav-desktop{display:flex;gap:28px}
.nav-desktop a{color:rgba(255,255,255,.85);font-size:15px;font-weight:500;position:relative;padding:6px 0}
.nav-desktop a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--accent);transition:.25s}
.nav-desktop a:hover{color:#fff}
.nav-desktop a:hover::after{width:100%}
.site-header.scrolled{background:rgba(255,255,255,.96);backdrop-filter:blur(10px);box-shadow:0 4px 20px rgba(11,46,79,.1);padding:10px 0}
.site-header.scrolled .brand{color:var(--primary)}
.site-header.scrolled .nav-desktop a{color:var(--muted)}
.site-header.scrolled .nav-desktop a:hover{color:var(--primary)}
.site-header.scrolled .btn-ghost{border-color:var(--primary);color:var(--primary)}
.site-header.scrolled .nav-toggle span{background:var(--primary)}

.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.nav-mobile{display:none;flex-direction:column;background:#fff;box-shadow:0 12px 24px rgba(0,0,0,.1)}
.nav-mobile a{padding:14px 6vw;color:var(--text);border-bottom:1px solid var(--line);font-weight:500}
.nav-mobile.open{display:flex}

/* ===== Hero ===== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;color:#fff}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(1200px 600px at 80% -10%,rgba(0,180,216,.35),transparent 60%),
    radial-gradient(900px 500px at -10% 110%,rgba(45,212,191,.28),transparent 55%),
    linear-gradient(160deg,#07223c 0%,#0b2e4f 45%,#103a63 100%);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000,transparent 80%);
}
.hero-inner{position:relative;z-index:1;padding-top:90px;max-width:1160px;display:grid;grid-template-columns:1.15fr .85fr;gap:54px;align-items:center}
.hero-text{max-width:640px}
.hero-visual{position:relative}
.hero-visual-frame{position:relative;border-radius:22px;overflow:hidden;border:1px solid rgba(0,180,216,.35);
  box-shadow:0 30px 70px rgba(0,0,0,.45),0 0 0 1px rgba(0,180,216,.15);aspect-ratio:4/3;background:#07223c}
.hero-visual-frame img{width:100%;height:100%;object-fit:cover;display:block}
.hero-visual-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(7,34,60,.55));pointer-events:none}
.hero-float{position:absolute;background:rgba(11,46,79,.82);backdrop-filter:blur(8px);
  border:1px solid rgba(0,180,216,.55);color:#fff;padding:9px 15px;border-radius:999px;
  font-size:13px;font-weight:600;box-shadow:0 10px 24px rgba(0,0,0,.35);white-space:nowrap}
.hero-float--1{top:16px;left:-16px}
.hero-float--2{bottom:16px;right:-16px}
.hero-eyebrow{display:inline-block;font-size:14px;letter-spacing:1px;color:var(--accent-2);
  border:1px solid rgba(45,212,191,.4);padding:6px 16px;border-radius:999px;margin-bottom:22px;background:rgba(45,212,191,.08)}
.hero-title{font-size:clamp(34px,6vw,60px);font-weight:800;line-height:1.15;letter-spacing:1px;
  text-shadow:0 4px 24px rgba(0,0,0,.3)}
.hero-subtitle{font-size:clamp(16px,2.4vw,21px);margin:22px 0 36px;color:rgba(255,255,255,.88);font-weight:400}
.hero-stats{display:flex;gap:40px;flex-wrap:wrap;margin-bottom:40px}
.hstat{display:flex;flex-direction:column}
.hstat strong{font-size:clamp(28px,4vw,40px);font-weight:800;color:#fff;line-height:1}
.hstat strong em{font-size:.5em;font-weight:600;margin-left:4px;color:var(--accent-2)}
.hstat span{font-size:13px;color:rgba(255,255,255,.7);margin-top:6px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.scroll-cue{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;
  font-size:30px;color:rgba(255,255,255,.7);animation:bob 2s infinite}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}

/* ===== 通用区块 ===== */
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}
.section-head{text-align:center;max-width:720px;margin:0 auto 56px}
.kicker{display:inline-block;font-size:13px;letter-spacing:3px;font-weight:700;color:var(--accent);margin-bottom:12px}
.kicker.light{color:var(--accent-2)}
.section-head h2{font-size:clamp(26px,4vw,38px);font-weight:800;color:var(--primary);letter-spacing:.5px}
.lead{color:var(--muted);margin-top:14px;font-size:17px}
.lead.light{color:rgba(255,255,255,.85)}

/* ===== 关于我们 ===== */
.about-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:start}
.about-text p{margin-bottom:18px;color:var(--text);font-size:16px}
.about-text strong{color:var(--primary)}
.check-list{list-style:none;margin-top:26px;display:grid;gap:12px}
.check-list li{position:relative;padding-left:32px;font-weight:500}
.check-list li::before{content:"✓";position:absolute;left:0;top:1px;width:22px;height:22px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#04263a;display:grid;place-items:center;font-size:13px;font-weight:800}
.about-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.mini-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow);transition:.25s}
.mini-card:hover{transform:translateY(-4px);border-color:var(--accent)}
.mini-num{font-size:38px;font-weight:800;color:var(--primary);line-height:1}
.mini-num em{font-size:15px;font-weight:600;color:var(--accent);margin-left:4px}
.mini-card p{font-size:14px;color:var(--muted);margin-top:10px}

/* ===== 服务 ===== */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;box-shadow:var(--shadow);transition:.25s;position:relative;overflow:hidden}
.service-card::before{content:"";position:absolute;left:0;top:0;height:4px;width:0;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:.3s}
.service-card:hover{transform:translateY(-6px);border-color:transparent;box-shadow:0 18px 40px rgba(11,46,79,.14)}
.service-card:hover::before{width:100%}
.service-card--full{grid-column:span 3;background:#fff;color:var(--primary);border:1px solid var(--line);border-left:6px solid var(--accent);border-radius:var(--radius);padding:44px 40px;box-shadow:var(--shadow);display:flex;align-items:center;gap:32px;flex-wrap:wrap}
.service-card--full .svc-icon{width:80px;height:80px;font-size:40px;border-radius:20px;flex-shrink:0;margin-bottom:0;background:linear-gradient(135deg,rgba(0,180,216,.18),rgba(45,212,191,.18))}
.service-card--full h3{color:var(--primary);font-size:28px;font-weight:800;margin-bottom:12px}
.service-card--full p{color:var(--muted);font-size:18px;font-weight:500;line-height:1.8}
.svc-icon{width:56px;height:56px;border-radius:14px;display:grid;place-items:center;font-size:28px;
  background:linear-gradient(135deg,rgba(0,180,216,.15),rgba(45,212,191,.15));margin-bottom:18px}
.service-card h3{font-size:20px;color:var(--primary);margin-bottom:10px}
.service-card p{color:var(--muted);font-size:15px}

/* ===== 优势 ===== */
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.adv-item{background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);padding:32px 26px;transition:.25s;opacity:0;transform:translateY(24px)}
.adv-item.reveal.in{opacity:1;transform:none}
.adv-item:hover{background:#fff;box-shadow:var(--shadow);transform:translateY(-4px)}
.adv-badge{font-size:30px;font-weight:800;color:transparent;background:linear-gradient(135deg,var(--accent),var(--accent-2));
  -webkit-background-clip:text;background-clip:text;margin-bottom:14px}
.adv-item h3{font-size:18px;color:var(--primary);margin-bottom:10px}
.adv-item p{color:var(--muted);font-size:14.5px}

/* ===== 数据统计 ===== */
.section-stats{background:linear-gradient(140deg,#07223c,#0b2e4f 60%,#103a63);color:#fff;padding:80px 0}
.stats-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat-num{font-size:clamp(40px,6vw,60px);font-weight:800;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.stat p{color:rgba(255,255,255,.75);margin-top:10px;font-size:15px}

/* ===== 客户场景标签 ===== */
.tags{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.tag{padding:12px 24px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-weight:600;color:var(--primary);box-shadow:var(--shadow);transition:.25s}
.tag:hover{background:linear-gradient(120deg,var(--accent),var(--accent-2));color:#04263a;border-color:transparent;transform:translateY(-3px)}

/* ===== 工程实景图廊 ===== */
.section-gallery{background:linear-gradient(180deg,#ffffff 0%,#f4f8fb 100%)}
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.gallery-item{position:relative;border-radius:16px;overflow:hidden;box-shadow:var(--shadow);
  aspect-ratio:4/3;background:#07223c;border:1px solid var(--line)}
.gallery-item img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.gallery-item:hover img{transform:scale(1.09)}
.gallery-item figcaption{position:absolute;left:0;right:0;bottom:0;padding:16px 18px;color:#fff;
  font-weight:600;font-size:15px;background:linear-gradient(0deg,rgba(7,34,60,.9) 10%,transparent);
  display:flex;align-items:center;gap:8px}
.gallery-item figcaption::before{content:"";width:7px;height:7px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:0 0 8px var(--accent);flex-shrink:0}
.tel-link{color:var(--accent);font-weight:700;text-decoration:none}
.tel-link:hover{text-decoration:underline}

/* ===== 真实工程案例 ===== */
.section-cases{background:linear-gradient(180deg,#f4f8fb 0%,#ffffff 100%)}
.cases-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.case-item{position:relative;border-radius:16px;overflow:hidden;box-shadow:var(--shadow);
  aspect-ratio:4/3;background:#07223c;border:1px solid var(--line)}
.case-item img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.case-item:hover img{transform:scale(1.09)}
.case-item figcaption{position:absolute;left:0;right:0;bottom:0;padding:14px 16px;color:#fff;
  font-weight:600;font-size:14px;background:linear-gradient(0deg,rgba(7,34,60,.9) 10%,transparent);
  display:flex;align-items:center;gap:8px}
.case-item figcaption::before{content:"";width:6px;height:6px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:0 0 8px var(--accent);flex-shrink:0}

/* ===== FAQ 问答折叠 ===== */
.faq-list{display:grid;gap:14px;max-width:880px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 22px;
  box-shadow:var(--shadow);transition:.25s;overflow:hidden}
.faq-item[open]{border-color:rgba(0,180,216,.5)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;font-weight:600;color:var(--primary);font-size:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-q{line-height:1.5}
.faq-chev{flex-shrink:0;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#04263a;font-weight:800;font-size:18px;
  transition:transform .25s}
.faq-item[open] .faq-chev{transform:rotate(45deg)}
.faq-answer{padding:0 0 20px;color:var(--muted);font-size:15px;line-height:1.8}
.faq-answer p{margin:0}

/* ===== 联系我们 ===== */
.section-contact{background:linear-gradient(160deg,#0b2e4f,#103a63);color:#fff}
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:54px;align-items:center}
.contact-info h2{font-size:clamp(24px,3.5vw,34px);color:#fff;margin:8px 0 14px}
.contact-list{list-style:none;margin-top:30px;display:grid;gap:20px}
.contact-list li{display:flex;gap:16px;align-items:flex-start}
.contact-list span{font-size:24px;flex-shrink:0;width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15)}
.contact-list strong{display:block;font-size:15px;color:var(--accent-2)}
.contact-list p{color:rgba(255,255,255,.85);font-size:15px}
.contact-form{background:#fff;border-radius:var(--radius);padding:34px 30px;box-shadow:0 20px 50px rgba(0,0,0,.3)}
.contact-form h3{color:var(--primary);font-size:20px;margin-bottom:20px}
.contact-form input,.contact-form select,.contact-form textarea{
  width:100%;padding:13px 15px;margin-bottom:14px;border:1.5px solid var(--line);border-radius:10px;
  font-size:15px;font-family:inherit;color:var(--text);background:#fafcfe;transition:.2s}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{outline:none;border-color:var(--accent);background:#fff}
.contact-form textarea{resize:vertical}
.form-note{font-size:12.5px;color:var(--muted);text-align:center;margin-top:8px}

/* ===== 页脚 ===== */
.site-footer{background:#06192c;color:rgba(255,255,255,.7);padding:40px 0}
.footer-inner{display:flex;flex-direction:column;gap:18px;align-items:center;text-align:center}
.footer-brand{display:flex;align-items:center;gap:14px;color:#fff}
.footer-brand strong{font-size:17px}
.footer-brand p{font-size:13px;color:rgba(255,255,255,.6)}
.copyright{font-size:13px;border-top:1px solid rgba(255,255,255,.1);padding-top:18px;width:100%}

/* ===== 响应式 ===== */
@media (max-width:960px){
  .about-grid{grid-template-columns:1fr;gap:34px}
  .hero-inner{grid-template-columns:1fr;gap:36px;text-align:center;max-width:760px}
  .hero-text{margin:0 auto}
  .hero-stats{justify-content:center}
  .hero-actions{justify-content:center}
  .hero-visual{display:none}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .service-card--full{grid-column:span 2}
  .adv-grid{grid-template-columns:repeat(2,1fr)}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
  .cases-grid{grid-template-columns:repeat(3,1fr)}
  .contact-grid{grid-template-columns:1fr;gap:36px}
  .stats-wrap{grid-template-columns:repeat(2,1fr);gap:36px 24px}
}
@media (max-width:680px){
  .nav-desktop,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .section{padding:70px 0}
  .hero-stats{gap:26px}
  .services-grid{grid-template-columns:1fr}
  .service-card--full{grid-column:span 1}
  .adv-grid{grid-template-columns:1fr}
  .about-cards{grid-template-columns:1fr 1fr}
  .stats-wrap{grid-template-columns:1fr 1fr}
}
@media (max-width:480px){
  .gallery-grid{grid-template-columns:1fr}
  .cases-grid{grid-template-columns:1fr}
  .service-card--full{flex-direction:column;align-items:flex-start;gap:22px;padding:32px 24px}
  .service-card--full .svc-icon{width:64px;height:64px;font-size:32px}
}
@media (max-width:420px){
  .about-cards{grid-template-columns:1fr}
  .hero-stats{gap:18px}
  .hstat strong{font-size:28px}
}

/* ===== 公司动态板块 ===== */
.section-news{background:var(--bg-alt)}
.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:8px}
.news-empty{grid-column:1/-1;text-align:center;color:var(--muted);padding:48px 0;font-size:15px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(11,46,79,.14)}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:#eef4f9}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.news-cat{display:inline-block;background:rgba(0,180,216,.12);color:#0b6f89;font-size:12px;font-weight:600;padding:3px 10px;border-radius:20px}
.news-title{font-size:18px;line-height:1.45;color:var(--primary);font-weight:700}
.news-excerpt{font-size:14px;line-height:1.7;color:var(--muted)}
@media (max-width:900px){.news-list{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.news-list{grid-template-columns:1fr}}

/* ===== 发帖后台 admin.html ===== */
.admin-body{background:var(--bg-alt);min-height:100vh}
.admin-gate{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0b2e4f,#15406b);padding:20px}
.admin-gate-card{background:#fff;border-radius:18px;padding:36px 32px;width:min(380px,92vw);box-shadow:0 20px 60px rgba(0,0,0,.3);text-align:center}
.admin-logo{display:flex;align-items:center;justify-content:center;gap:10px;font-size:20px;font-weight:800;color:var(--primary)}
.admin-logo .brand-mark{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;background:linear-gradient(120deg,var(--accent),var(--accent-2));color:#04263a;border-radius:9px;font-size:18px}
.admin-gate-tip{color:var(--muted);margin:16px 0 14px;font-size:14px}
.admin-gate-err{color:#c0392b;font-size:13px;min-height:18px;margin-top:10px}
.admin-input{width:100%;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:15px;font-family:inherit;color:var(--text);background:#fff;transition:border-color .2s,box-shadow .2s}
.admin-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,180,216,.15)}
.admin-btn-full{width:100%;margin-top:14px;justify-content:center}
.admin-header{background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 12px rgba(11,46,79,.05);position:sticky;top:0;z-index:10}
.admin-header-inner{width:min(1000px,94vw);margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:12px;flex-wrap:wrap}
.admin-header-right{display:flex;align-items:center;gap:10px}
.admin-mode{font-size:13px;font-weight:600;padding:4px 10px;border-radius:20px}
.admin-mode--cloud{background:rgba(45,212,191,.15);color:#0f766e}
.admin-mode--local{background:rgba(230,167,0,.15);color:#a86a00}
.admin-main{width:min(1000px,94vw);margin:0 auto;padding:28px 0 60px;display:grid;grid-template-columns:1fr;gap:24px}
.admin-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px;box-shadow:var(--shadow)}
.admin-h2{font-size:19px;color:var(--primary);margin-bottom:18px}
.admin-count{font-size:14px;color:var(--muted);font-weight:400}
.admin-form{display:flex;flex-direction:column;gap:16px}
.admin-field{display:flex;flex-direction:column;gap:7px}
.admin-field span{font-size:14px;font-weight:600;color:var(--text)}
.admin-field em{color:#c0392b;font-style:normal}
.admin-textarea{resize:vertical;line-height:1.7}
.admin-actions{display:flex;align-items:center;gap:16px}
.admin-msg{font-size:14px}
.admin-msg--ok{color:#0f766e}
.admin-msg--err{color:#c0392b}
.admin-list{display:flex;flex-direction:column;gap:12px}
.admin-empty{color:var(--muted);font-size:14px;text-align:center;padding:20px 0}
.admin-row{display:flex;align-items:center;justify-content:space-between;gap:14px;border:1px solid var(--line);border-radius:12px;padding:14px 16px;background:#fafcfe}
.admin-row-main{min-width:0}
.admin-row-main strong{color:var(--primary);font-size:15px}
.admin-row-sub{font-size:13px;color:var(--muted);margin-top:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:560px}
.btn-del{border:1px solid #e5b3b0;background:#fff;color:#c0392b;border-radius:8px;padding:7px 14px;font-size:13px;font-weight:600;cursor:pointer;transition:.2s;white-space:nowrap}
.btn-del:hover{background:#c0392b;color:#fff;border-color:#c0392b}
.btn-del:disabled{opacity:.6;cursor:default}
@media (max-width:520px){.admin-panel{padding:20px 18px}.admin-row-sub{max-width:180px}}

/* ===== 博客 / 文章页 ===== */
.blog-hero{position:relative;padding:150px 0 56px;color:#fff;overflow:hidden;
  background:
    radial-gradient(900px 460px at 85% -20%,rgba(0,180,216,.32),transparent 60%),
    radial-gradient(700px 420px at -10% 120%,rgba(45,212,191,.26),transparent 55%),
    linear-gradient(160deg,#07223c 0%,#0b2e4f 45%,#103a63 100%)}
.blog-hero--post{padding:140px 0 40px}
.breadcrumb{font-size:14px;color:rgba(255,255,255,.7);margin-bottom:18px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.8)}
.breadcrumb a:hover{color:var(--accent-2);text-decoration:underline}
.breadcrumb .sep{opacity:.5}
.breadcrumb > span:last-child{color:#fff}
.blog-hero h1{font-size:clamp(28px,4.4vw,46px);font-weight:800;line-height:1.2;letter-spacing:.5px;max-width:880px}
.blog-hero-sub{margin-top:16px;font-size:17px;color:rgba(255,255,255,.82);max-width:680px}
.blog-hero--post .news-cat{margin-bottom:16px}
.post-meta{margin-top:18px;font-size:14px;color:rgba(255,255,255,.72);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.post-meta .dot{opacity:.5}
.post{max-width:820px;margin:0 auto}
.post-content{font-size:16.5px;line-height:1.9;color:var(--text)}
.post-content h2{font-size:24px;color:var(--primary);font-weight:800;margin:38px 0 14px;padding-left:14px;border-left:5px solid var(--accent)}
.post-content h3{font-size:19px;color:var(--primary);font-weight:700;margin:26px 0 10px}
.post-content p{margin:0 0 18px}
.post-content ul,.post-content ol{margin:0 0 18px;padding-left:24px}
.post-content li{margin-bottom:8px}
.post-content blockquote{margin:22px 0;padding:16px 20px;background:var(--bg-alt);border-left:5px solid var(--accent);
  border-radius:0 10px 10px 0;color:var(--muted);font-size:15.5px}
.post-content img{border-radius:14px;box-shadow:var(--shadow);margin:8px 0 22px}
.post-content .post-tags{margin-top:30px;font-size:14px;color:var(--accent);font-weight:600}
.related-title{font-size:24px;color:var(--primary);font-weight:800;margin-bottom:30px;text-align:center}
.blog-cta{text-align:center;margin-top:48px}