/* ===== 公告条 ===== */
.announcement-bar {
  border-bottom: 1px solid var(--line);
  background: var(--green-soft);
  color: var(--green-strong);
  font-size: 12.5px;
}
.announcement-inner { min-height: 36px; display: flex; align-items: center; justify-content: center; gap: 9px; flex-wrap: wrap; text-align: center; }
.announcement-inner strong { font-weight: 800; }
.announcement-inner a { font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }

/* ===== 首页 Hero ===== */
.home-hero {
  padding: 76px 0 58px;
  background:
    radial-gradient(circle at 80% 0%, rgba(170, 211, 185, .35), transparent 36%),
    linear-gradient(180deg, #f9fbf8 0%, var(--paper) 100%);
  border-bottom: 1px solid var(--line);
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(420px, .92fr); gap: 52px; align-items: center; }
.hero-copy .eyebrow { margin-bottom: 14px; }
.hero-title {
  font-size: clamp(2.7rem, 5vw, 4.5rem);
  line-height: 1.04;
  letter-spacing: -.065em;
  font-weight: 850;
  max-width: 650px;
}
.hero-title .accent { color: var(--green); }
.hero-lead { margin-top: 22px; max-width: 570px; color: var(--muted); font-size: 16px; line-height: 1.82; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 28px; }
.hero-meta { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 20px; color: var(--muted-2); font-size: 11.5px; }
.hero-meta span { display: inline-flex; align-items: center; gap: 5px; }
.hero-meta span::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--green); }
.hero-note { margin-top: 18px; color: var(--muted-2); font-size: 11px; line-height: 1.65; max-width: 570px; }
.hero-visual { min-width: 0; }

/* ===== 软件界面示意 ===== */
.app-window {
  position: relative;
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 26px 60px rgba(15, 58, 33, .14), 0 2px 0 rgba(255,255,255,.8) inset;
  transform: rotate(.2deg);
}
.app-titlebar {
  min-height: 38px;
  background: #122a1d;
  color: rgba(255,255,255,.82);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 12px;
  font-size: 10.5px;
}
.app-dots { display: flex; gap: 5px; }
.app-dots i { width: 7px; height: 7px; border-radius: 50%; background: rgba(255,255,255,.2); }
.app-dots i:first-child { background: #d7a76a; }
.app-dots i:nth-child(2) { background: #8dbb96; }
.app-titlebar strong { font-weight: 700; margin-left: 3px; }
.app-version { margin-left: auto; color: rgba(255,255,255,.48); }
.app-window-body { display: grid; grid-template-columns: 158px minmax(0, 1fr); min-height: 368px; }
.app-sidebar { background: #f4f8f5; border-right: 1px solid var(--line); padding: 12px 10px; }
.app-brandline { display: flex; align-items: center; gap: 7px; margin-bottom: 16px; padding: 3px 4px; }
.app-brandline img { width: 25px; height: 25px; border-radius: 7px; }
.app-brandline strong { font-size: 11px; }
.app-brandline small { display: block; color: var(--muted-2); font-size: 8.5px; }
.app-field { margin-bottom: 10px; }
.app-field label { display: block; margin-bottom: 4px; color: var(--muted-2); font-size: 8.5px; font-weight: 700; }
.app-field .fake-input { height: 25px; display: flex; align-items: center; border: 1px solid var(--line); border-radius: 6px; background: #fff; padding: 0 7px; font-family: var(--mono); font-size: 8.5px; color: var(--muted); white-space: nowrap; overflow: hidden; }
.app-actions { display: flex; gap: 5px; margin-top: 10px; }
.app-actions i { height: 26px; flex: 1; border-radius: 6px; background: var(--green); }
.app-actions i + i { background: #eef3ef; }
.app-primary { background: var(--green); color: #fff; border-radius: 6px; height: 30px; display: flex; align-items: center; justify-content: center; font-size: 9.5px; font-weight: 800; margin-top: 12px; }
.app-main { padding: 13px; background: #fbfcfb; min-width: 0; }
.app-notice { border: 1px solid #e6eddf; background: #fdfaf2; color: #8a6a2d; border-radius: 7px; padding: 7px 9px; font-size: 8.5px; line-height: 1.5; margin-bottom: 10px; }
.app-metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; margin-bottom: 10px; }
.app-metric { border: 1px solid var(--line); background: #fff; border-radius: 7px; padding: 7px 8px; }
.app-metric span { display: block; color: var(--muted-2); font-size: 8px; margin-bottom: 4px; }
.app-metric strong { font-size: 13px; letter-spacing: -.02em; }
.app-metric strong.green { color: var(--green); }
.app-table { border: 1px solid var(--line); border-radius: 7px; overflow: hidden; background: #fff; }
.app-table-row { display: grid; grid-template-columns: 1.5fr .7fr .6fr .55fr; gap: 6px; padding: 5px 8px; border-bottom: 1px solid #eef3ef; font-size: 8.5px; color: var(--muted); }
.app-table-row:last-child { border-bottom: 0; }
.app-table-row.head { background: #f4f8f5; color: var(--muted-2); font-size: 8px; font-weight: 700; }
.app-log { margin-top: 9px; border-radius: 7px; overflow: hidden; background: #142018; padding: 8px 9px; font-family: var(--mono); font-size: 8px; line-height: 1.7; color: #9bc4a7; min-height: 64px; }
.app-log .dim { color: #5e7d68; }
.mock-caption { margin-top: 10px; text-align: right; color: var(--muted-2); font-size: 10.5px; }

/* ===== 费用带 ===== */
.fee-band { padding: 0 0 20px; }
.fee-card {
  margin-top: -1px;
  background: var(--forest);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  box-shadow: 0 20px 50px rgba(11, 53, 32, .16);
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 28px;
  align-items: center;
}
.fee-intro .eyebrow { color: #9fd0b0; }
.fee-intro .eyebrow::before { background: #9fd0b0; }
.fee-intro h2 { margin-top: 8px; font-size: clamp(1.4rem, 2.5vw, 2rem); line-height: 1.2; letter-spacing: -.04em; }
.fee-intro p { margin-top: 8px; color: rgba(255,255,255,.58); font-size: 11.5px; line-height: 1.7; }
.fee-item { padding-left: 22px; border-left: 1px solid rgba(255,255,255,.15); }
.fee-value { font-size: clamp(1.8rem, 3vw, 2.8rem); line-height: 1; font-weight: 800; letter-spacing: -.05em; }
.fee-value small { font-size: 13px; font-weight: 600; opacity: .7; margin-left: 3px; }
.fee-label { margin-top: 9px; font-size: 12px; font-weight: 700; }
.fee-desc { margin-top: 3px; color: rgba(255,255,255,.52); font-size: 10.5px; line-height: 1.6; }
.fee-footnote { margin-top: 14px; color: var(--muted-2); font-size: 10.5px; line-height: 1.7; }

/* ===== 功能网格 ===== */
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.feature-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 25px; transition: border-color .16s ease, box-shadow .16s ease, transform .16s ease; }
.feature-card:hover { border-color: #b9cdbf; box-shadow: var(--shadow); transform: translateY(-2px); }
.feature-icon { width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center; border-radius: 10px; background: var(--green-soft); color: var(--green); margin-bottom: 18px; }
.feature-icon svg { width: 19px; height: 19px; }
.feature-card h3 { font-size: 15px; letter-spacing: -.015em; }
.feature-card p { margin-top: 7px; color: var(--muted); font-size: 12.5px; line-height: 1.75; }
.feature-card .feature-more { display: inline-flex; align-items: center; gap: 5px; margin-top: 14px; font-size: 12px; font-weight: 700; color: var(--green); }

/* ===== 三步 ===== */
.steps-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; counter-reset: step; }
.step-card { position: relative; padding: 25px 22px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.step-index { display: inline-flex; align-items: center; justify-content: center; width: 29px; height: 29px; border-radius: 9px; background: var(--green); color: #fff; font-size: 12px; font-weight: 800; margin-bottom: 17px; }
.step-card h3 { font-size: 14.5px; }
.step-card p { margin-top: 6px; color: var(--muted); font-size: 12.5px; line-height: 1.7; }

/* ===== 产品截图/功能说明 ===== */
.ui-section { display: grid; grid-template-columns: .82fr 1.18fr; gap: 52px; align-items: center; }
.ui-copy .section-head { margin-bottom: 20px; }
.ui-list { list-style: none; display: flex; flex-direction: column; gap: 11px; }
.ui-list li { display: flex; align-items: flex-start; gap: 9px; color: var(--ink-soft); font-size: 13px; line-height: 1.65; }
.ui-list li svg { width: 16px; height: 16px; color: var(--green); margin-top: 2px; }
.ui-shot { border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; padding: 14px; box-shadow: var(--shadow); }
.ui-shot .app-window { transform: none; box-shadow: none; border-radius: 12px; }

/* ===== 实时数据条 ===== */
.stats-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.stat-cell { background: #fff; padding: 20px 22px; }
.stat-cell span { display: block; color: var(--muted-2); font-size: 10.5px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }
.stat-cell strong { display: block; margin-top: 7px; font-size: 22px; letter-spacing: -.04em; color: var(--ink); }
.stat-cell small { display: block; margin-top: 3px; color: var(--muted-2); font-size: 10px; }
.stats-note { display: flex; justify-content: space-between; gap: 12px; margin-top: 10px; color: var(--muted-2); font-size: 10.5px; }

/* ===== 工具带 ===== */
.tools-band { display: grid; grid-template-columns: .9fr 1.4fr; gap: 34px; align-items: center; padding: 34px 38px; background: var(--green-soft); border: 1px solid #d5e7db; border-radius: var(--radius-lg); }
.tools-band h2 { margin-top: 8px; font-size: clamp(1.5rem, 2.4vw, 2rem); letter-spacing: -.04em; }
.tools-band p { margin-top: 8px; color: var(--muted); font-size: 12.5px; line-height: 1.75; }
.tool-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.tool-link { display: flex; align-items: center; gap: 10px; padding: 13px 14px; border: 1px solid rgba(20,107,58,.15); border-radius: 11px; background: rgba(255,255,255,.72); color: var(--ink); font-size: 12.5px; font-weight: 700; text-decoration: none; }
.tool-link:hover { background: #fff; border-color: var(--green); color: var(--green); }
.tool-link svg { width: 17px; height: 17px; color: var(--green); }
.tool-link small { display: block; margin-top: 2px; color: var(--muted-2); font-size: 10.5px; font-weight: 500; }

/* ===== 新闻 ===== */
.news-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.news-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; min-height: 190px; color: inherit; transition: border-color .16s ease, box-shadow .16s ease, transform .16s ease; }
.news-card:hover { border-color: #b9cdbf; box-shadow: var(--shadow); transform: translateY(-2px); color: inherit; }
.news-card .news-meta { display: flex; align-items: center; gap: 8px; color: var(--muted-2); font-size: 10.5px; }
.news-card h3 { margin-top: 14px; font-size: 15px; line-height: 1.5; letter-spacing: -.02em; }
.news-card p { margin-top: 8px; color: var(--muted); font-size: 12px; line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.news-card .news-more { margin-top: auto; padding-top: 16px; color: var(--green); font-size: 11.5px; font-weight: 700; }

/* ===== FAQ ===== */
.faq-list { display: flex; flex-direction: column; gap: 9px; }
.faq-list details { border: 1px solid var(--line); border-radius: 12px; background: #fff; padding: 0 18px; }
.faq-list summary { list-style: none; cursor: pointer; padding: 16px 0; display: flex; align-items: center; justify-content: space-between; gap: 14px; font-size: 13.5px; font-weight: 700; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; color: var(--green); font-size: 20px; font-weight: 500; line-height: 1; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list .faq-answer { padding: 0 0 17px; color: var(--muted); font-size: 12.5px; line-height: 1.8; }
.faq-list .faq-answer p + p { margin-top: 8px; }

/* ===== CTA ===== */
.cta-band { text-align: center; padding: 56px 28px; background: var(--forest); color: #fff; border-radius: var(--radius-lg); }
.cta-band .eyebrow { color: #9fd0b0; justify-content: center; }
.cta-band .eyebrow::before { background: #9fd0b0; }
.cta-band h2 { margin: 12px auto 10px; max-width: 640px; font-size: clamp(1.7rem, 3.2vw, 2.8rem); line-height: 1.15; letter-spacing: -.045em; }
.cta-band p { max-width: 560px; margin: 0 auto; color: rgba(255,255,255,.6); font-size: 13px; line-height: 1.75; }
.cta-actions { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-top: 24px; }

/* ===== 子页面 Hero ===== */
.page-hero { padding: 64px 0 42px; border-bottom: 1px solid var(--line); background: linear-gradient(180deg, #fbfcfa, var(--paper)); }
.page-hero-inner { max-width: 840px; }
.page-hero h1 { margin-top: 14px; font-size: clamp(2.2rem, 4.4vw, 3.6rem); line-height: 1.1; letter-spacing: -.055em; }
.page-hero p { margin-top: 16px; max-width: 720px; color: var(--muted); font-size: 15px; line-height: 1.8; }
.page-hero .hero-actions { margin-top: 22px; }

/* ===== 功能页 ===== */
.feature-detail-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.feature-detail { padding: 27px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.feature-detail h3 { font-size: 16px; letter-spacing: -.02em; }
.feature-detail p { margin-top: 8px; color: var(--muted); font-size: 12.5px; line-height: 1.8; }
.feature-detail .feature-icon { margin-bottom: 16px; }
.compare-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.compare-table { width: 100%; border-collapse: collapse; min-width: 620px; font-size: 12.5px; }
.compare-table th, .compare-table td { padding: 13px 16px; border-bottom: 1px solid var(--line); text-align: left; }
.compare-table th { background: #f7faf7; color: var(--muted); font-size: 10.5px; text-transform: uppercase; letter-spacing: .05em; }
.compare-table tr:last-child td { border-bottom: 0; }
.compare-table td:first-child { font-weight: 700; width: 36%; }
.compare-table .yes { color: var(--green); font-weight: 800; }
.compare-table .no { color: var(--muted-2); }

/* ===== 下载页 ===== */
.download-layout { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, .75fr); gap: 20px; align-items: start; }
.download-main { padding: 32px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); }
.download-version-line { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.download-version-line h2 { font-size: 1.35rem; letter-spacing: -.025em; }
.download-meta { display: flex; gap: 8px; flex-wrap: wrap; margin: 14px 0 20px; }
.download-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.download-note { margin-top: 14px; color: var(--muted-2); font-size: 11px; line-height: 1.7; }
.checksum-box { margin-top: 24px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); padding: 12px 14px; }
.checksum-box span { display: block; color: var(--muted-2); font-size: 10px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 6px; }
.checksum-line { display: flex; align-items: flex-start; gap: 8px; }
.checksum-line code { flex: 1; font-family: var(--mono); font-size: 10.5px; line-height: 1.65; word-break: break-all; color: var(--ink-soft); }
.copy-mini { border: 1px solid var(--line); background: #fff; color: var(--muted); border-radius: 6px; width: 28px; height: 28px; display: inline-flex; align-items: center; justify-content: center; }
.copy-mini:hover { border-color: var(--green); color: var(--green); }
.download-side { padding: 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); }
.download-side h3 { font-size: 14px; }
.download-side ul { list-style: none; margin-top: 15px; display: flex; flex-direction: column; gap: 10px; }
.download-side li { display: flex; align-items: flex-start; gap: 8px; color: var(--muted); font-size: 12px; line-height: 1.65; }
.download-side li svg { width: 15px; height: 15px; color: var(--green); margin-top: 2px; }
.release-notes { margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--line); }
.release-notes h3 { font-size: 14px; }
.release-notes p, .release-notes li { color: var(--muted); font-size: 12.5px; line-height: 1.8; }
.release-notes ul { list-style: none; margin-top: 12px; display: flex; flex-direction: column; gap: 7px; }
.release-notes li { display: flex; gap: 8px; align-items: flex-start; }
.release-notes li::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--green); margin-top: 8px; flex: 0 0 auto; }
.history-list { display: flex; flex-direction: column; gap: 9px; }
.history-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 11px 13px; border: 1px solid var(--line); border-radius: 9px; background: var(--paper); font-size: 12px; }
.history-item strong { font-size: 12.5px; }
.history-item a { font-weight: 700; }
.history-more { margin-top: 10px; }
.history-more summary { cursor: pointer; list-style: none; padding: 11px 13px; border: 1px dashed var(--line-strong); border-radius: 9px; color: var(--green); font-size: 11.5px; font-weight: 700; text-align: center; }
.history-more summary::-webkit-details-marker { display: none; }
.history-more[open] summary { margin-bottom: 9px; }
.history-more .history-item { margin-top: 7px; }
.download-screenshot { margin-top: 20px; }

/* ===== 教程 ===== */
.tutorial-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 38px; align-items: start; }
.tutorial-aside { position: sticky; top: calc(var(--header-h) + 22px); }
.tutorial-aside h3 { color: var(--muted-2); font-size: 10.5px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 10px; }
.tutorial-aside a { display: block; padding: 7px 10px; border-radius: 7px; color: var(--muted); font-size: 12px; text-decoration: none; }
.tutorial-aside a:hover, .tutorial-aside a.active { background: var(--green-soft); color: var(--green); }
.tutorial-content { min-width: 0; }
.tutorial-content h2 { font-size: 1.6rem; letter-spacing: -.035em; margin: 0 0 12px; }
.tutorial-step { padding: 0 0 28px; margin-bottom: 28px; border-bottom: 1px solid var(--line); scroll-margin-top: calc(var(--header-h) + 20px); }
.tutorial-step:last-child { border-bottom: 0; }
.tutorial-step h2 { display: flex; align-items: center; gap: 10px; }
.step-num { width: 28px; height: 28px; display: inline-flex; align-items: center; justify-content: center; border-radius: 8px; background: var(--green); color: #fff; font-size: 12px; flex: 0 0 auto; }
.tutorial-step p, .tutorial-step li { color: var(--ink-soft); font-size: 13.5px; line-height: 1.85; }
.tutorial-step p + p, .tutorial-step ul { margin-top: 10px; }
.tutorial-step ul { padding-left: 19px; }
.tutorial-step li + li { margin-top: 5px; }
.tutorial-step img { margin-top: 15px; border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow-sm); }
.tutorial-note { margin-top: 16px; padding: 12px 14px; border-left: 3px solid var(--green); border-radius: 0 8px 8px 0; background: var(--green-soft); color: var(--green-strong); font-size: 12px; line-height: 1.7; }
.tutorial-warning { margin-top: 16px; padding: 12px 14px; border: 1px solid #ecd9ae; border-radius: 8px; background: var(--gold-soft); color: #80601d; font-size: 12px; line-height: 1.7; }
.tutorial-quick { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-bottom: 28px; }
.tutorial-quick .card { padding: 16px; }
.tutorial-quick strong { display: block; font-size: 12px; }
.tutorial-quick span { display: block; margin-top: 4px; color: var(--muted); font-size: 11px; line-height: 1.6; }

/* ===== FAQ 页面 ===== */
.faq-groups { display: flex; flex-direction: column; gap: 32px; }
.faq-group h2 { margin-bottom: 12px; font-size: 1.15rem; letter-spacing: -.02em; }
.faq-note { margin-top: 28px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--muted); font-size: 12px; line-height: 1.75; }

/* ===== 工具入口 ===== */
.tools-hero { padding-bottom: 32px; }
.tools-hub-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.tool-hub-card { display: block; padding: 28px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); color: inherit; transition: border-color .16s ease, box-shadow .16s ease, transform .16s ease; }
.tool-hub-card:hover { border-color: #b9cdbf; box-shadow: var(--shadow); transform: translateY(-2px); color: inherit; }
.tool-hub-icon { width: 40px; height: 40px; border-radius: 11px; background: var(--green-soft); color: var(--green); display: inline-flex; align-items: center; justify-content: center; margin-bottom: 17px; }
.tool-hub-icon svg { width: 20px; height: 20px; }
.tool-hub-card h2 { font-size: 17px; letter-spacing: -.02em; }
.tool-hub-card p { margin-top: 8px; color: var(--muted); font-size: 12.5px; line-height: 1.8; }
.tool-hub-card .tool-hub-more { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px; color: var(--green); font-size: 12px; font-weight: 700; }

/* ===== 资讯和文章 ===== */
.news-page-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.article-shell { padding: 56px 0; }
.article-header { max-width: 820px; margin: 0 auto 30px; }
.article-header h1 { margin-top: 12px; font-size: clamp(2rem, 4vw, 3.1rem); line-height: 1.15; letter-spacing: -.05em; }
.article-back { margin-bottom: 22px; }
.article-header .article-summary { max-width: 760px; margin-top: 12px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.article-meta .badge { font-size: 10px; }
.article-meta { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 14px; color: var(--muted-2); font-size: 11px; }
.article-layout { display: grid; grid-template-columns: minmax(0, 760px) 220px; gap: 44px; justify-content: center; align-items: start; }
.article-body { min-width: 0; font-size: 14px; line-height: 1.85; color: var(--ink-soft); }
.article-body h2 { margin: 30px 0 12px; font-size: 1.45rem; letter-spacing: -.03em; color: var(--ink); }
.article-body h3 { margin: 24px 0 10px; font-size: 1.15rem; color: var(--ink); }
.article-body p { margin-bottom: 13px; }
.article-body a { text-decoration: underline; text-underline-offset: 3px; }
.article-body ul, .article-body ol { padding-left: 22px; margin-bottom: 14px; }
.article-body li { margin-bottom: 6px; }
.article-body img { border-radius: 10px; margin: 16px 0; border: 1px solid var(--line); }
.article-body blockquote { margin: 16px 0; padding: 12px 16px; border-left: 3px solid var(--green); background: var(--green-soft); border-radius: 0 8px 8px 0; color: var(--green-strong); }
.article-body pre { margin: 16px 0; padding: 14px; border-radius: 8px; background: #142018; color: #c5ddcd; overflow-x: auto; font-family: var(--mono); font-size: 12px; line-height: 1.65; }
.article-body code { padding: 1px 5px; border-radius: 4px; background: #eef3ef; font-family: var(--mono); font-size: .9em; }
.article-toc { position: sticky; top: calc(var(--header-h) + 22px); border-left: 1px solid var(--line); padding-left: 18px; }
.article-toc h3 { font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 10px; }
.article-toc a { display: block; padding: 5px 0; color: var(--muted); font-size: 11.5px; line-height: 1.5; text-decoration: none; }
.article-toc a:hover { color: var(--green); }
.news-empty { padding: 40px; text-align: center; color: var(--muted); }
.category-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 24px; }
.category-tabs a { padding: 7px 13px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 12px; text-decoration: none; background: #fff; }
.category-tabs a:hover, .category-tabs a.active { border-color: var(--green); color: var(--green); background: var(--green-soft); }

/* ===== 响应式 ===== */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; gap: 38px; }
  .hero-visual { max-width: 620px; }
  .fee-card { grid-template-columns: 1.2fr 1fr 1fr; }
  .fee-item:last-child { grid-column: 2 / -1; border-left: 0; padding-left: 0; border-top: 1px solid rgba(255,255,255,.15); padding-top: 18px; }
  .ui-section { grid-template-columns: 1fr; gap: 30px; }
  .ui-copy { order: 2; }
  .ui-shot { order: 1; }
  .tools-band { grid-template-columns: 1fr; gap: 22px; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .news-grid, .news-page-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .download-layout { grid-template-columns: 1fr; }
  .article-layout { grid-template-columns: minmax(0, 760px); }
  .article-toc { display: none; }
  .tutorial-layout { grid-template-columns: 190px minmax(0, 1fr); gap: 26px; }
}
@media (max-width: 760px) {
  .home-hero { padding: 48px 0 38px; }
  .hero-title { font-size: clamp(2.4rem, 11vw, 3.6rem); }
  .hero-lead { font-size: 14px; }
  .hero-actions .btn { flex: 1 1 auto; }
  .fee-card { grid-template-columns: 1fr 1fr; padding: 24px; gap: 22px; }
  .fee-intro { grid-column: 1 / -1; }
  .fee-item { padding-left: 0; border-left: 0; border-top: 1px solid rgba(255,255,255,.15); padding-top: 16px; }
  .fee-item:last-child { grid-column: auto; }
  .feature-grid, .steps-grid, .feature-detail-grid, .tools-hub-grid, .news-grid, .news-page-grid { grid-template-columns: 1fr; }
  .tool-links { grid-template-columns: 1fr; }
  .stats-strip { grid-template-columns: 1fr 1fr; }
  .stat-cell { padding: 15px; }
  .stat-cell strong { font-size: 18px; }
  .app-window-body { grid-template-columns: 128px minmax(0, 1fr); min-height: 300px; }
  .app-sidebar { padding: 9px 7px; }
  .app-main { padding: 9px; }
  .app-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .app-log { display: none; }
  .brandline small { display: none; }
  .tutorial-layout { grid-template-columns: 1fr; gap: 22px; }
  .tutorial-aside { position: static; display: grid; grid-template-columns: repeat(2, 1fr); gap: 3px; }
  .tutorial-aside h3 { grid-column: 1 / -1; }
  .tutorial-quick { grid-template-columns: 1fr; }
  .download-main, .download-side { padding: 22px; }
  .cta-band { padding: 38px 20px; }
}
@media (max-width: 460px) {
  .hero-meta { gap: 9px; flex-direction: column; }
  .fee-card { grid-template-columns: 1fr; }
  .fee-item { grid-column: auto !important; }
  .app-window { transform: none; }
  .app-window-body { grid-template-columns: 1fr; }
  .app-sidebar { display: none; }
  .app-table-row { font-size: 8px; }
  .stats-strip { grid-template-columns: 1fr; }
  .history-item { align-items: flex-start; flex-direction: column; }
  .news-card { min-height: auto; }
}