/* ============================================================
   pages.css — 各栏目页专属样式
   ============================================================ */

/* ============ A. 首页 Hero ============ */
.hero {
  position: relative; overflow: hidden;
  background: var(--g-dark); color: #fff;
  padding: 84px 0 96px;
}
.hero::before { content:""; position:absolute; inset:0; background: var(--g-glow); }
.hero::after { content:""; position:absolute; inset:0; pointer-events:none;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(75% 85% at 50% 0%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(75% 85% at 50% 0%, #000 0%, transparent 78%); }
.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.08fr .92fr; gap: 56px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 8px 16px; border-radius: var(--r-full);
  background: rgba(19,194,194,.12); border: 1px solid rgba(19,194,194,.28);
  font-size: var(--fs-sm); font-weight: 600; color: #4ADE9B; margin-bottom: 24px;
}
.hero-badge svg { width: 15px; height: 15px; }
.hero-title { color: #fff; font-size: var(--fs-6xl); line-height: 1.13; margin-bottom: 22px; }
.hero-desc { font-size: var(--fs-lg); color: var(--c-dark-text); max-width: 560px; margin-bottom: 34px; line-height: 1.75; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 46px; }
.hero-stats { display: flex; align-items: center; gap: 32px; }
.hero-stat .num { display: flex; align-items: baseline; gap: 2px; }
.hero-stat .num b { font-size: 34px; font-weight: 800; color: #fff; letter-spacing: -.02em; }
.hero-stat .num i { font-size: 17px; font-weight: 700; color: var(--c-cyan); font-style: normal; }
.hero-stat .lbl { font-size: var(--fs-sm); color: var(--c-dark-text-dim); margin-top: 2px; }
.hero-divider { width: 1px; height: 38px; background: rgba(255,255,255,.14); }

/* Hero 右侧证书卡 */
.hero-visual { position: relative; display: flex; justify-content: center; }
.hero-particles { position: absolute; inset: -40px; pointer-events: none; z-index: 0; }
.cert-card {
  position: relative; z-index: 2; width: 100%; max-width: 400px;
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--r-xl); padding: 26px;
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 30px 70px rgba(0,0,0,.40);
  transform-style: preserve-3d;
}
.cert-top { display: flex; align-items: center; gap: 12px; padding-bottom: 18px; border-bottom: 1px solid rgba(255,255,255,.12); }
.cert-shield {
  width: 42px; height: 42px; border-radius: 12px; background: var(--g-brand);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  box-shadow: 0 8px 20px rgba(19,194,194,.4);
}
.cert-shield svg { width: 22px; height: 22px; color: #fff; }
.cert-top h4 { color: #fff; font-size: var(--fs-md); font-weight: 700; }
.cert-top span { font-size: var(--fs-xs); color: var(--c-dark-text-dim); }
.cert-rows { padding: 18px 0; display: grid; gap: 15px; }
.cert-row { display: flex; align-items: center; justify-content: space-between; font-size: var(--fs-sm); }
.cert-row dt { color: var(--c-dark-text-dim); }
.cert-row dd { color: #fff; font-weight: 600; font-family: var(--font-mono); font-size: var(--fs-sm); }
.cert-foot {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 18px; border-top: 1px solid rgba(255,255,255,.12);
}
.cert-bar { display: flex; align-items: center; gap: 8px; font-size: var(--fs-xs); font-weight: 700; color: #4ADE9B; }
.cert-bar .dot { width: 8px; height: 8px; border-radius: 50%; background: #4ADE9B; box-shadow: 0 0 0 4px rgba(74,222,155,.2); animation: pulse 2s infinite; }
.cert-chip { padding: 5px 11px; border-radius: var(--r-full); background: rgba(19,194,194,.16);
             font-size: var(--fs-xs); font-weight: 600; color: #4ADE9B; }

/* ============ B. 信任 Logo 墙 ============ */
.trust-bar { background: #fff; border-bottom: 1px solid var(--c-line-soft); padding: 30px 0; }
.trust-bar .container { display: flex; align-items: center; gap: 40px; flex-wrap: wrap; justify-content: center; }
.trust-lbl { font-size: var(--fs-sm); font-weight: 600; color: var(--c-text-mute); white-space: nowrap; }
.trust-logos { display: flex; align-items: center; gap: 42px; flex-wrap: wrap; justify-content: center; }
.trust-logo { display: flex; align-items: center; gap: 9px; font-size: var(--fs-md); font-weight: 800;
              color: #9AA9B8; letter-spacing: -.02em; filter: grayscale(1); opacity: .7;
              transition: all .3s var(--ease); }
.trust-logo:hover { filter: none; opacity: 1; color: var(--c-ink); }
.trust-logo svg { width: 22px; height: 22px; }
.trust-logo .br { font-weight: 700; }

/* ============ C. 特性网格（首页） ============ */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feat-card {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-lg);
  padding: 30px; transition: all .32s var(--ease); position: relative; overflow: hidden;
}
.feat-card::after {
  content:""; position: absolute; left: 0; top: 0; height: 3px; width: 0;
  background: var(--g-brand); transition: width .4s var(--ease);
}
.feat-card:hover { transform: translateY(-6px); box-shadow: var(--sh-lg); border-color: transparent; }
.feat-card:hover::after { width: 100%; }
.feat-card h3 { font-size: var(--fs-lg); margin: 20px 0 10px; }
.feat-card p { font-size: var(--fs-sm); line-height: 1.75; }

/* ============ D. 证书类型卡（定价三档） ============ */
.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.plan {
  position: relative; background: #fff; border: 1.5px solid var(--c-line);
  border-radius: var(--r-xl); padding: 34px 30px; display: flex; flex-direction: column;
  transition: all .32s var(--ease);
}
.plan:hover { transform: translateY(-8px); box-shadow: var(--sh-xl); border-color: rgba(22,104,220,.35); }
.plan.featured { border-color: var(--c-primary); box-shadow: 0 20px 56px rgba(22,104,220,.16); }
.plan.featured::before {
  content: "热门推荐"; position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--g-brand); color: #fff; font-size: var(--fs-xs); font-weight: 700;
  padding: 6px 18px; border-radius: var(--r-full); white-space: nowrap; box-shadow: var(--sh-glow);
}
.plan-tag { font-size: var(--fs-xs); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--c-text-mute); }
.plan-name { font-size: 26px; font-weight: 800; color: var(--c-ink); margin: 8px 0 4px; letter-spacing: -.02em; }
.plan-en { font-size: var(--fs-sm); color: var(--c-text-mute); }
.plan-price { display: flex; align-items: baseline; gap: 3px; margin: 22px 0 6px; }
.plan-price b { font-size: 42px; font-weight: 800; color: var(--c-ink); letter-spacing: -.03em; line-height: 1; }
.plan-price .cur { font-size: 20px; font-weight: 700; color: var(--c-ink); }
.plan-price .unit { font-size: var(--fs-sm); color: var(--c-text-mute); font-weight: 500; }
.plan-note { font-size: var(--fs-xs); color: var(--c-text-mute); margin-bottom: 24px; }
.plan-list { display: grid; gap: 12px; margin-bottom: 28px; flex: 1; }
.plan-list li { display: flex; align-items: flex-start; gap: 10px; font-size: var(--fs-sm); color: var(--c-text-sub); }
.plan-list li svg { width: 17px; height: 17px; flex-shrink: 0; margin-top: 2px; color: var(--c-accent); }
.plan-list li.off { color: var(--c-text-mute); }
.plan-list li.off svg { color: #CBD5E0; }
.plan-list li.off span { text-decoration: line-through; text-decoration-color: #D6DEE7; }

/* ============ E. 流程步骤 ============ */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; position: relative; }
.step {
  position: relative; background: #fff; border: 1px solid var(--c-line);
  border-radius: var(--r-lg); padding: 28px 24px; transition: all .3s var(--ease);
}
.step:hover { transform: translateY(-5px); box-shadow: var(--sh-md); }
.step-num {
  width: 44px; height: 44px; border-radius: 12px; background: var(--g-brand); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 17px;
  margin-bottom: 16px; box-shadow: 0 8px 20px rgba(22,104,220,.24);
}
.step h4 { font-size: var(--fs-md); margin-bottom: 8px; }
.step p { font-size: var(--fs-sm); line-height: 1.7; }
.step-arrow { position: absolute; right: -19px; top: 46px; color: #CBD5E0; z-index: 3; }
.step-arrow svg { width: 22px; height: 22px; }
@media (max-width: 991px) { .step-arrow { display: none; } }

/* ============ F. 品牌 Logo 墙（深色） ============ */
.brand-wall { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.brand-tile {
  background: rgba(255,255,255,.05); border: 1px solid var(--c-dark-line);
  border-radius: var(--r-md); padding: 24px 18px; text-align: center;
  transition: all .3s var(--ease);
}
.brand-tile:hover { background: rgba(255,255,255,.10); border-color: rgba(19,194,194,.42); transform: translateY(-4px); }
.brand-tile .bt-name { font-size: 19px; font-weight: 800; color: #fff; letter-spacing: -.02em; }
.brand-tile .bt-sub { font-size: var(--fs-xs); color: var(--c-dark-text-dim); margin-top: 5px; }

/* ============ G. 首页数据/统计条 ============ */
.stat-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-cell { text-align: center; padding: 28px 16px; border-radius: var(--r-lg);
             background: #fff; border: 1px solid var(--c-line); }
.stat-cell .val { font-size: 40px; font-weight: 800; color: var(--c-ink); letter-spacing: -.03em; line-height: 1.1; }
.stat-cell .val i { font-size: 20px; color: var(--c-primary); font-style: normal; }
.stat-cell .key { font-size: var(--fs-sm); color: var(--c-text-sub); margin-top: 6px; }
.section-dark .stat-cell { background: rgba(255,255,255,.05); border-color: var(--c-dark-line); }
.section-dark .stat-cell .val { color: #fff; }
.section-dark .stat-cell .key { color: var(--c-dark-text); }

/* ============ H. FAQ ============ */
.faq-list { display: grid; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-md); overflow: hidden; transition: border-color .25s var(--ease); }
.faq-item.open { border-color: rgba(22,104,220,.4); box-shadow: var(--sh-sm); }
.faq-q {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; width: 100%;
  padding: 19px 24px; text-align: left; font-size: var(--fs-md); font-weight: 600; color: var(--c-ink);
}
.faq-q:hover { color: var(--c-primary); }
.faq-q .fi {
  width: 26px; height: 26px; border-radius: 50%; flex-shrink: 0; position: relative;
  background: var(--c-bg-mute); transition: all .3s var(--ease);
}
.faq-q .fi::before, .faq-q .fi::after {
  content:""; position: absolute; top: 50%; left: 50%; background: var(--c-text-sub); border-radius: 2px;
  transform: translate(-50%,-50%); transition: all .3s var(--ease);
}
.faq-q .fi::before { width: 11px; height: 2px; }
.faq-q .fi::after  { width: 2px; height: 11px; }
.faq-item.open .faq-q { color: var(--c-primary); }
.faq-item.open .fi { background: var(--c-primary); }
.faq-item.open .fi::before, .faq-item.open .fi::after { background: #fff; }
.faq-item.open .fi::after { height: 2px; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .36s var(--ease); }
.faq-item.open .faq-a { max-height: 900px; }
.faq-a-inner { padding: 0 24px 22px; font-size: var(--fs-sm); line-height: 1.85; color: var(--c-text-sub); }
.faq-a-inner p + p { margin-top: 10px; }
.faq-a-inner ul { display: grid; gap: 7px; margin: 10px 0; }
.faq-a-inner li { padding-left: 18px; position: relative; }
.faq-a-inner li::before { content:""; position: absolute; left: 4px; top: 10px; width: 5px; height: 5px;
                          border-radius: 50%; background: var(--c-primary); }
.faq-a-inner code { background: var(--c-bg-mute); padding: 2px 7px; border-radius: 5px; font-size: 13px; color: var(--c-primary-dark); }
.faq-a-inner pre { background: var(--c-dark-800); color: #D6E4F0; padding: 16px 18px; border-radius: var(--r-sm);
                   overflow-x: auto; font-size: 13px; line-height: 1.75; margin: 12px 0; }

/* ============ I. 新闻 / 资讯 ============ */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-lg); overflow: hidden;
  display: flex; flex-direction: column; transition: all .32s var(--ease);
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--sh-lg); border-color: transparent; }
.news-thumb { height: 168px; position: relative; overflow: hidden; background: var(--g-dark); display: flex;
              align-items: center; justify-content: center; }
.news-thumb::after { content:""; position: absolute; inset: 0; background: var(--g-glow); }
.news-thumb svg { width: 58px; height: 58px; color: rgba(19,194,194,.55); position: relative; z-index: 1; }
.news-thumb .nt-cat { position: absolute; top: 14px; left: 14px; z-index: 2; }
.news-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.news-meta { display: flex; align-items: center; gap: 14px; font-size: var(--fs-xs); color: var(--c-text-mute); margin-bottom: 11px; }
.news-meta span { display: flex; align-items: center; gap: 5px; }
.news-meta svg { width: 13px; height: 13px; }
.news-body h3 { font-size: var(--fs-lg); line-height: 1.5; margin-bottom: 10px; transition: color .2s var(--ease); }
.news-card:hover h3 { color: var(--c-primary); }
.news-body p { font-size: var(--fs-sm); line-height: 1.75; flex: 1; }
.news-more { margin-top: 16px; font-size: var(--fs-sm); }

/* 新闻列表页：置顶头条 */
.news-featured {
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 0; overflow: hidden;
  border: 1px solid var(--c-line); border-radius: var(--r-xl); background: #fff;
  transition: all .32s var(--ease);
}
.news-featured:hover { box-shadow: var(--sh-lg); }
.nf-visual { background: var(--g-dark); position: relative; min-height: 320px; display: flex;
             align-items: center; justify-content: center; }
.nf-visual::after { content:""; position: absolute; inset: 0; background: var(--g-glow); }
.nf-visual svg { width: 92px; height: 92px; color: rgba(19,194,194,.5); position: relative; z-index: 1; }
.nf-body { padding: 42px 40px; display: flex; flex-direction: column; justify-content: center; }
.nf-body h2 { font-size: var(--fs-3xl); line-height: 1.3; margin: 14px 0 14px; }
.nf-body p { font-size: var(--fs-base); line-height: 1.8; }
@media (max-width: 900px) { .news-featured { grid-template-columns: 1fr; } .nf-visual { min-height: 200px; } }

/* 文章详情排版 */
.article-body { font-size: 16.5px; line-height: 1.95; color: var(--c-text); }
.article-body > p { margin-bottom: 22px; color: var(--c-text); }
.article-body h2 { font-size: 27px; margin: 44px 0 18px; padding-left: 16px; border-left: 4px solid var(--c-primary); }
.article-body h3 { font-size: 20px; margin: 32px 0 14px; }
.article-body ul, .article-body ol { margin: 18px 0 24px; display: grid; gap: 10px; }
.article-body ul li { padding-left: 26px; position: relative; }
.article-body ul li::before { content:""; position: absolute; left: 8px; top: 13px; width: 6px; height: 6px;
                              border-radius: 50%; background: var(--g-brand); }
.article-body ol { counter-reset: n; }
.article-body ol li { padding-left: 34px; position: relative; counter-increment: n; }
.article-body ol li::before { content: counter(n); position: absolute; left: 0; top: 3px;
  width: 22px; height: 22px; border-radius: 50%; background: var(--c-primary-light); color: var(--c-primary);
  font-size: 12px; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.article-body blockquote {
  margin: 28px 0; padding: 20px 26px; background: var(--c-bg-soft);
  border-left: 4px solid var(--c-cyan); border-radius: 0 var(--r-sm) var(--r-sm) 0;
  color: var(--c-text-sub); font-size: 15.5px;
}
.article-body img { border-radius: var(--r-md); margin: 26px 0; }
.article-body code { background: var(--c-bg-mute); padding: 3px 8px; border-radius: 5px;
                     font-size: 14px; color: var(--c-primary-dark); }
.article-body pre { background: var(--c-dark-800); color: #D6E4F0; padding: 22px 24px; border-radius: var(--r-md);
                    overflow-x: auto; font-size: 13.5px; line-height: 1.8; margin: 22px 0; position: relative; }
.article-body pre::before { content: attr(data-lang); position: absolute; top: 9px; right: 14px;
                            font-size: 11px; color: rgba(255,255,255,.28); letter-spacing: .1em; text-transform: uppercase; }
.article-body table { font-size: 14.5px; margin: 24px 0; border: 1px solid var(--c-line); border-radius: var(--r-sm); overflow: hidden; }
.article-body th { background: var(--c-bg-soft); padding: 13px 16px; text-align: left; font-weight: 700; border: 1px solid var(--c-line); }
.article-body td { padding: 13px 16px; border: 1px solid var(--c-line); }
.article-body .tip { background: var(--c-accent-light); border: 1px solid rgba(0,185,107,.25);
                     border-radius: var(--r-sm); padding: 18px 22px; margin: 24px 0; font-size: 15px; }
.article-body .tip strong { color: #0A7B4C; }
.article-body .warn { background: var(--c-warn-light); border: 1px solid rgba(250,140,22,.3);
                      border-radius: var(--r-sm); padding: 18px 22px; margin: 24px 0; font-size: 15px; }

.art-head { padding: var(--s-12) 0 var(--s-8); border-bottom: 1px solid var(--c-line); margin-bottom: var(--s-10); }
.art-head h1 { font-size: var(--fs-4xl); line-height: 1.25; margin: 16px 0 20px; }
.art-meta { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; font-size: var(--fs-sm); color: var(--c-text-mute); }
.art-meta span { display: flex; align-items: center; gap: 6px; }
.art-meta svg { width: 15px; height: 15px; }
.art-author { display: flex; align-items: center; gap: 10px; }
.art-avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--g-brand); color: #fff;
              display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px; }
.art-share { display: flex; gap: 8px; margin-left: auto; }
.art-share button { width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--c-line);
                    display: flex; align-items: center; justify-content: center; color: var(--c-text-sub); }
.art-share button:hover { border-color: var(--c-primary); color: var(--c-primary); background: var(--c-primary-light); }
.art-share svg { width: 16px; height: 16px; }
.art-toc { background: var(--c-bg-soft); border-radius: var(--r-md); padding: 20px 24px; margin: 0 0 34px; }
.art-toc h4 { font-size: var(--fs-sm); font-weight: 700; color: var(--c-ink); margin-bottom: 12px; letter-spacing: .04em; }
.art-toc ol { counter-reset: t; display: grid; gap: 8px; }
.art-toc li { counter-increment: t; font-size: var(--fs-sm); }
.art-toc li a { color: var(--c-text-sub); display: flex; gap: 9px; }
.art-toc li a::before { content: counter(t) '.'; color: var(--c-primary); font-weight: 700; }
.art-toc li a:hover { color: var(--c-primary); }

/* ============ J. 客户案例 ============ */
.case-card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-xl); overflow: hidden;
             transition: all .32s var(--ease); display: flex; flex-direction: column; }
.case-card:hover { transform: translateY(-6px); box-shadow: var(--sh-lg); }
.case-visual { height: 180px; background: var(--g-dark); position: relative; display: flex;
               align-items: center; justify-content: center; }
.case-visual::after { content:""; position: absolute; inset: 0; background: var(--g-glow); }
.case-visual svg { width: 62px; height: 62px; color: rgba(19,194,194,.55); position: relative; z-index: 1; }
.case-visual .cv-tag { position: absolute; top: 16px; left: 16px; z-index: 2; }
.case-body { padding: 26px; flex: 1; display: flex; flex-direction: column; }
.case-body h3 { font-size: var(--fs-xl); margin-bottom: 11px; }
.case-body p { font-size: var(--fs-sm); line-height: 1.8; flex: 1; }
.case-metrics { display: flex; gap: 20px; margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--c-line-soft); }
.case-metric .m-val { font-size: 22px; font-weight: 800; color: var(--c-primary); letter-spacing: -.02em; }
.case-metric .m-key { font-size: var(--fs-xs); color: var(--c-text-mute); margin-top: 1px; }

/* 案例详情：数据大卡 */
.metric-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.metric-box { background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-lg); padding: 26px 22px; text-align: center; }
.metric-box .mb-val { font-size: 36px; font-weight: 800; letter-spacing: -.03em; color: var(--c-primary); line-height: 1.1; }
.metric-box .mb-val i { font-size: 19px; font-style: normal; }
.metric-box .mb-key { font-size: var(--fs-sm); color: var(--c-text-sub); margin-top: 7px; }

/* 客户证言 */
.quote-card { background: var(--c-bg-soft); border-radius: var(--r-xl); padding: 40px; position: relative; }
.quote-card::before { content: "\201C"; position: absolute; top: 6px; left: 26px; font-size: 90px;
                      line-height: 1; color: rgba(22,104,220,.13); font-family: Georgia, serif; }
.quote-card blockquote { font-size: 19px; line-height: 1.8; color: var(--c-text); font-style: italic; position: relative; z-index: 1; }
.quote-who { display: flex; align-items: center; gap: 14px; margin-top: 24px; }
.quote-av { width: 48px; height: 48px; border-radius: 50%; background: var(--g-brand); color: #fff;
            display: flex; align-items: center; justify-content: center; font-weight: 700; }
.quote-who .qn { font-weight: 700; color: var(--c-ink); font-size: var(--fs-base); }
.quote-who .qp { font-size: var(--fs-sm); color: var(--c-text-mute); }

/* ============ K. 解决方案页 ============ */
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.pain-card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-md); padding: 24px;
             border-top: 3px solid var(--c-danger); }
.pain-card h4 { font-size: var(--fs-md); margin-bottom: 9px; }
.pain-card p { font-size: var(--fs-sm); line-height: 1.75; }

/* 架构流程图 */
.flow { display: grid; gap: 0; }
.flow-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; align-items: stretch; }
.flow-node { background: #fff; border: 1px solid var(--c-line); padding: 22px 18px; text-align: center;
             position: relative; transition: all .3s var(--ease); }
.flow-node:first-child { border-radius: var(--r-md) 0 0 var(--r-md); }
.flow-node:last-child { border-radius: 0 var(--r-md) var(--r-md) 0; }
.flow-node:hover { background: var(--c-primary-light); border-color: var(--c-primary); z-index: 2; }
.flow-node .fn-idx { font-size: var(--fs-xs); color: var(--c-primary); font-weight: 700; letter-spacing: .1em; }
.flow-node h5 { font-size: var(--fs-base); margin: 8px 0 6px; }
.flow-node p { font-size: var(--fs-xs); line-height: 1.65; }
.flow-node svg { width: 24px; height: 24px; color: var(--c-primary); margin: 0 auto 8px; }

/* ============ L. 工具页 ============ */
.tool-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.tool-card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-xl); padding: 30px;
             transition: all .3s var(--ease); }
.tool-card:hover { box-shadow: var(--sh-lg); }
.tool-head { display: flex; align-items: flex-start; gap: 15px; margin-bottom: 22px; }
.tool-head h3 { font-size: var(--fs-lg); margin-bottom: 5px; }
.tool-head p { font-size: var(--fs-sm); line-height: 1.65; }
.tool-result { margin-top: 22px; border-top: 1px solid var(--c-line-soft); padding-top: 22px; display: none; }
.tool-result.show { display: block; animation: fadeUp .4s var(--ease-out); }
.tool-res-head { display: flex; align-items: center; justify-content: space-between; gap: 12px;
                 flex-wrap: wrap; margin-bottom: 18px; padding-bottom: 16px; border-bottom: 1px dashed var(--c-line); }
.tool-kv { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.tool-kv > div { display: flex; justify-content: space-between; gap: 10px; padding: 11px 14px;
                 background: var(--c-bg-soft); border-radius: var(--r-xs); font-size: var(--fs-sm); }
.tool-kv span { color: var(--c-text-mute); }
.tool-kv b { color: var(--c-ink); font-weight: 600; }
.tool-bar { height: 8px; border-radius: var(--r-full); background: var(--c-bg-mute); overflow: hidden; margin-top: 18px; }
.tool-bar-fill { height: 100%; border-radius: var(--r-full); background: var(--g-brand); transition: width .8s var(--ease-out); }
.tool-loading { display: flex; align-items: center; gap: 12px; color: var(--c-text-sub); font-size: var(--fs-sm); }
.spinner { width: 18px; height: 18px; border: 2.5px solid var(--c-line); border-top-color: var(--c-primary);
           border-radius: 50%; animation: spin .7s linear infinite; display: inline-block; }
.tool-result pre { background: var(--c-dark-800); color: #A9D5EA; padding: 18px; border-radius: var(--r-sm);
                   font-size: 12.5px; line-height: 1.7; overflow-x: auto; max-height: 260px; }
@media (max-width: 900px) { .tool-grid { grid-template-columns: 1fr; } }

/* ============ M. 关于我们 ============ */
.timeline { position: relative; padding-left: 34px; }
.timeline::before { content:""; position: absolute; left: 9px; top: 8px; bottom: 8px; width: 2px;
                    background: linear-gradient(180deg, var(--c-primary), var(--c-cyan)); }
.tl-item { position: relative; padding-bottom: 34px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before { content:""; position: absolute; left: -33px; top: 5px; width: 18px; height: 18px;
  border-radius: 50%; background: #fff; border: 4px solid var(--c-primary); box-shadow: 0 0 0 4px var(--c-primary-light); }
.tl-year { font-size: var(--fs-lg); font-weight: 800; color: var(--c-primary); letter-spacing: -.01em; }
.tl-item h4 { font-size: var(--fs-md); margin: 5px 0 7px; }
.tl-item p { font-size: var(--fs-sm); line-height: 1.75; }

.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.honor { background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-md); padding: 24px 18px; text-align: center; }
.honor svg { width: 34px; height: 34px; color: var(--c-warn); margin: 0 auto 12px; }
.honor h5 { font-size: var(--fs-sm); margin-bottom: 5px; }
.honor p { font-size: var(--fs-xs); }

.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.team-card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-lg); padding: 26px 20px; text-align: center; }
.team-av { width: 76px; height: 76px; border-radius: 50%; background: var(--g-brand); color: #fff;
           display: flex; align-items: center; justify-content: center; font-size: 26px; font-weight: 800;
           margin: 0 auto 15px; }
.team-card h4 { font-size: var(--fs-base); }
.team-card .role { font-size: var(--fs-xs); color: var(--c-primary); font-weight: 600; margin: 4px 0 9px; }
.team-card p { font-size: var(--fs-xs); line-height: 1.7; }

/* ============ N. 联系我们 ============ */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 40px; align-items: start; }
@media (max-width: 991px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-item { display: flex; gap: 15px; padding: 20px 0; border-bottom: 1px solid var(--c-line-soft); }
.contact-item:last-child { border-bottom: none; }
.contact-item .ci-tt { font-size: var(--fs-sm); color: var(--c-text-mute); margin-bottom: 4px; }
.contact-item .ci-val { font-size: var(--fs-md); font-weight: 600; color: var(--c-ink); }
.contact-item .ci-sub { font-size: var(--fs-xs); color: var(--c-text-mute); margin-top: 3px; }

.map-box { height: 320px; border-radius: var(--r-lg); background: var(--c-bg-mute); border: 1px solid var(--c-line);
           display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; }
.map-box::before { content:""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(22,104,220,.07) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(22,104,220,.07) 1px, transparent 1px);
  background-size: 30px 30px; }
.map-pin { position: relative; z-index: 1; text-align: center; }
.map-pin svg { width: 38px; height: 38px; color: var(--c-primary); margin: 0 auto 10px; animation: floatY 3s ease-in-out infinite; }
.map-pin b { display: block; font-size: var(--fs-base); color: var(--c-ink); }
.map-pin span { font-size: var(--fs-sm); color: var(--c-text-mute); }

.branch-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.branch { background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-md); padding: 22px; }
.branch h4 { font-size: var(--fs-base); display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.branch h4 .badge { font-size: 10px; }
.branch p { font-size: var(--fs-sm); line-height: 1.85; color: var(--c-text-sub); }

/* ============ O. 价格页 ============ */
.price-toggle {
  display: inline-flex; padding: 5px; border-radius: var(--r-full); background: var(--c-bg-mute);
  gap: 4px; margin: 0 auto;
}
.price-toggle button { padding: 9px 24px; border-radius: var(--r-full); font-size: var(--fs-sm); font-weight: 600;
                       color: var(--c-text-sub); transition: all .25s var(--ease); }
.price-toggle button.active { background: #fff; color: var(--c-primary); box-shadow: var(--sh-sm); }
.save-note { display: none; }
.save-note.show { display: inline-flex; }

.calc-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 32px; align-items: start; }
@media (max-width: 900px) { .calc-grid { grid-template-columns: 1fr; } }
.calc-out { background: var(--g-dark); border-radius: var(--r-xl); padding: 32px; color: #fff; position: relative; overflow: hidden; }
.calc-out::before { content:""; position: absolute; inset: 0; background: var(--g-glow); }
.calc-out > * { position: relative; z-index: 1; }
.calc-out .co-row { display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--c-dark-line); font-size: var(--fs-sm); }
.calc-out .co-row span { color: var(--c-dark-text); }
.calc-out .co-row b { color: #fff; font-weight: 700; }
.calc-out .co-total { padding-top: 20px; }
.calc-out .co-total .lbl { font-size: var(--fs-sm); color: var(--c-dark-text); }
.calc-out .co-total .val { font-size: 44px; font-weight: 800; letter-spacing: -.03em;
                           background: var(--g-text); -webkit-background-clip: text; background-clip: text;
                           -webkit-text-fill-color: transparent; }

/* ============ P. 产品详情页 ============ */
.prod-hero { display: grid; grid-template-columns: 1.05fr .95fr; gap: 44px; align-items: center; }
@media (max-width: 991px) { .prod-hero { grid-template-columns: 1fr; gap: 28px; } }
.prod-price-box { background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-xl); padding: 30px;
                  box-shadow: var(--sh-lg); }
.prod-price-box .pp-row { display: flex; align-items: baseline; gap: 6px; margin: 6px 0 4px; }
.prod-price-box .pp-row b { font-size: 48px; font-weight: 800; letter-spacing: -.03em; color: var(--c-ink); line-height: 1; }
.prod-price-box .pp-row .cur { font-size: 22px; font-weight: 700; color: var(--c-ink); }
.prod-price-box .pp-row .unit { font-size: var(--fs-sm); color: var(--c-text-mute); }
.spec-list { display: grid; gap: 0; border: 1px solid var(--c-line); border-radius: var(--r-md); overflow: hidden; }
.spec-row { display: grid; grid-template-columns: 172px 1fr; border-bottom: 1px solid var(--c-line-soft); }
.spec-row:last-child { border-bottom: none; }
.spec-k { background: var(--c-bg-soft); padding: 14px 20px; font-size: var(--fs-sm); font-weight: 600; color: var(--c-text); }
.spec-v { padding: 14px 20px; font-size: var(--fs-sm); color: var(--c-text-sub); }
@media (max-width: 600px) { .spec-row { grid-template-columns: 1fr; } .spec-k { padding-bottom: 6px; } }

.check-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 13px; }
.check-list li { display: flex; align-items: flex-start; gap: 10px; font-size: var(--fs-sm); color: var(--c-text-sub); line-height: 1.65; }
.check-list li svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 2px; color: var(--c-accent); }
@media (max-width: 600px) { .check-list { grid-template-columns: 1fr; } }

/* 浏览器兼容条 */
.browser-strip { display: flex; gap: 12px; flex-wrap: wrap; }
.browser-item { display: flex; align-items: center; gap: 9px; padding: 13px 20px; background: #fff;
                border: 1px solid var(--c-line); border-radius: var(--r-md); font-size: var(--fs-sm); font-weight: 600; color: var(--c-text); }
.browser-item svg { width: 20px; height: 20px; color: var(--c-primary); }

/* 加密可视化 */
.cipher-visual { display: flex; align-items: center; justify-content: center; gap: 18px; padding: 20px 0; flex-wrap: wrap; }
.cipher-node { background: rgba(255,255,255,.06); border: 1px solid var(--c-dark-line); border-radius: var(--r-md);
               padding: 16px 20px; text-align: center; min-width: 122px; }
.cipher-node svg { width: 26px; height: 26px; color: var(--c-cyan); margin: 0 auto 8px; }
.cipher-node b { display: block; font-size: var(--fs-sm); color: #fff; }
.cipher-node span { font-size: var(--fs-xs); color: var(--c-dark-text-dim); }
.cipher-line { color: var(--c-cyan); flex-shrink: 0; }
.cipher-line svg { width: 30px; height: 30px; }

/* ============ Q. 证件 / 资质展示 ============ */
.cert-showcase { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cert-doc { border: 1px solid var(--c-line); border-radius: var(--r-md); overflow: hidden; background: #fff;
            transition: all .3s var(--ease); }
.cert-doc:hover { box-shadow: var(--sh-md); transform: translateY(-3px); }
.cert-doc-img { height: 200px; background: var(--g-brand-soft); display: flex; align-items: center;
                justify-content: center; border-bottom: 1px solid var(--c-line); position: relative; }
.cert-doc-img::after { content:""; position:absolute; inset:14px; border: 1.5px dashed rgba(22,104,220,.28); border-radius: 8px; }
.cert-doc-img svg { width: 62px; height: 62px; color: rgba(22,104,220,.42); }
.cert-doc-info { padding: 16px 18px; }
.cert-doc-info h5 { font-size: var(--fs-sm); margin-bottom: 4px; }
.cert-doc-info p { font-size: var(--fs-xs); }

/* ============ R. 分页 ============ */
.pager { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 44px; }
.pager a, .pager span {
  min-width: 40px; height: 40px; padding: 0 13px; border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--c-line); background: #fff; font-size: var(--fs-sm); color: var(--c-text-sub);
  transition: all .22s var(--ease);
}
.pager a:hover { border-color: var(--c-primary); color: var(--c-primary); }
.pager .cur { background: var(--c-primary); border-color: var(--c-primary); color: #fff; font-weight: 700; }
.pager .dis { opacity: .45; pointer-events: none; }

/* ============ S. 搜索框 ============ */
.search-bar { position: relative; max-width: 460px; }
.search-bar input { width: 100%; height: 48px; padding: 0 52px 0 46px; border-radius: var(--r-full);
                    border: 1.5px solid var(--c-line); background: #fff; }
.search-bar input:focus { outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 4px rgba(22,104,220,.1); }
.search-bar .si { position: absolute; left: 17px; top: 50%; transform: translateY(-50%);
                  width: 18px; height: 18px; color: var(--c-text-mute); }
.search-bar .sb-btn { position: absolute; right: 5px; top: 5px; height: 38px; padding: 0 20px;
                      border-radius: var(--r-full); background: var(--c-primary); color: #fff;
                      font-size: var(--fs-sm); font-weight: 600; }

/* ============ T. 空状态 ============ */
.empty-state { text-align: center; padding: 60px 20px; color: var(--c-text-mute); }
.empty-state svg { width: 52px; height: 52px; margin: 0 auto 14px; opacity: .4; }
.empty-state p { font-size: var(--fs-sm); }

/* ============ U. 通用页面补充 ============ */
.kv-inline { display: flex; gap: 26px; flex-wrap: wrap; font-size: var(--fs-sm); color: var(--c-text-sub); }
.kv-inline b { color: var(--c-ink); }
.hl-band { background: var(--c-primary-light); border-radius: var(--r-lg); padding: 24px 28px;
           border-left: 4px solid var(--c-primary); }
.hl-band h4 { font-size: var(--fs-md); margin-bottom: 7px; }
.hl-band p { font-size: var(--fs-sm); }
.num-list { counter-reset: nn; display: grid; gap: 18px; }
.num-list > li { counter-increment: nn; position: relative; padding-left: 52px; }
.num-list > li::before { content: counter(nn, decimal-leading-zero); position: absolute; left: 0; top: 0;
  font-size: 22px; font-weight: 800; color: var(--c-primary); opacity: .3; letter-spacing: -.02em; }
.num-list h4 { font-size: var(--fs-md); margin-bottom: 6px; }
.num-list p { font-size: var(--fs-sm); line-height: 1.75; }