/* ===== WPS2 — Ink & Paper / Document Studio Theme =====
   Base: warm white #fafaf8
   Navy: #0f1f3d
   Teal: #0d9488
   Accent: #f59e0b
   Text: #1e293b
*/

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

:root {
  --navy: #0f1f3d;
  --navy2: #1e3a5f;
  --teal: #0d9488;
  --teal2: #14b8a6;
  --amber: #f59e0b;
  --white: #ffffff;
  --bg: #fafaf8;
  --bg2: #f1f5f9;
  --border: #e2e8f0;
  --text: #1e293b;
  --text2: #475569;
  --text3: #94a3b8;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow: 0 2px 16px rgba(15,31,61,0.08);
  --shadow-md: 0 4px 32px rgba(15,31,61,0.12);
}

html { scroll-behavior: smooth; }
body { font-family: "PingFang SC","Microsoft YaHei",system-ui,sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; font-size: 15px; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
ul, ol { list-style: none; }

@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes fadeUp { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:translateY(0); } }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }

/* ===== TOPNAV ===== */
.topnav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 8px rgba(15,31,61,0.06);
}
.nav-wrap { max-width: 1140px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; height: 64px; gap: 40px; }
.nav-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; color: var(--navy); white-space: nowrap; }
.nav-brand svg { flex-shrink: 0; }
.nav-brand span em { color: var(--teal); font-style: normal; }
.nav-list { display: flex; align-items: center; gap: 4px; flex: 1; }
.nav-list a { padding: 6px 16px; border-radius: 20px; font-size: 14px; font-weight: 500; color: var(--text2); transition: all .2s; }
.nav-list a:hover { background: var(--bg2); color: var(--navy); }
.nav-list a.active { background: var(--navy); color: #fff; }
.nav-dl { margin-left: auto; }
.nav-dl button { background: var(--teal); color: #fff; border: none; border-radius: 20px; padding: 8px 20px; font-size: 14px; font-weight: 600; cursor: pointer; transition: background .2s; }
.nav-dl button:hover { background: var(--teal2); }

/* ===== BUTTONS ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: none; border-radius: var(--radius); font-size: 15px; font-weight: 600; cursor: pointer; transition: all .2s; padding: 12px 28px; }
.btn-lg { padding: 15px 36px; font-size: 16px; border-radius: 12px; }
.btn-sm { padding: 8px 18px; font-size: 13px; }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: var(--navy2); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-teal { background: var(--teal); color: #fff; }
.btn-teal:hover { background: var(--teal2); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-amber { background: var(--amber); color: #fff; }
.btn-amber:hover { background: #e88c00; transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--navy); border: 2px solid var(--navy); }
.btn-outline:hover { background: var(--navy); color: #fff; }
.btn-outline-teal { background: transparent; color: var(--teal); border: 2px solid var(--teal); }
.btn-outline-teal:hover { background: var(--teal); color: #fff; }
.btn-white { background: #fff; color: var(--navy); }
.btn-white:hover { background: var(--bg2); }
.btn:disabled { opacity: .6; cursor: not-allowed; transform: none !important; }

/* ===== SECTIONS ===== */
.sec { padding: 80px 24px; }
.sec-alt { background: var(--bg2); }
.sec-navy { background: var(--navy); color: #fff; }
.sec-teal { background: linear-gradient(135deg, var(--teal) 0%, #0f766e 100%); color: #fff; }
.wrap { max-width: 1140px; margin: 0 auto; }
.sec-head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.sec-tag { display: inline-block; background: rgba(13,148,136,0.1); color: var(--teal); font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: 4px 12px; border-radius: 20px; margin-bottom: 12px; }
.sec-tag.amber { background: rgba(245,158,11,0.1); color: var(--amber); }
.sec-title { font-size: 2rem; font-weight: 800; color: var(--navy); line-height: 1.2; margin-bottom: 14px; }
.sec-navy .sec-title, .sec-teal .sec-title { color: #fff; }
.sec-sub { font-size: 1rem; color: var(--text2); }
.sec-navy .sec-sub, .sec-teal .sec-sub { color: rgba(255,255,255,0.8); }

/* ===== HERO ===== */
.hero { background: linear-gradient(135deg, var(--navy) 0%, #1a3a6e 60%, #0d4a6b 100%); color: #fff; padding: 0; overflow: hidden; min-height: 560px; display: flex; align-items: center; position: relative; }
.hero::before { content:''; position:absolute; inset:0; background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); }
.hero-inner { max-width: 1140px; margin: 0 auto; padding: 90px 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; width: 100%; position: relative; z-index:1; }
.hero-tag { display: inline-flex; align-items: center; gap: 6px; background: rgba(13,148,136,0.25); border: 1px solid rgba(13,148,136,0.5); color: #5eead4; font-size: 12px; font-weight: 700; letter-spacing: .06em; padding: 5px 14px; border-radius: 20px; margin-bottom: 20px; text-transform: uppercase; }
.hero-title { font-size: 2.8rem; font-weight: 900; line-height: 1.15; margin-bottom: 20px; }
.hero-title .hl { color: var(--teal2); }
.hero-desc { font-size: 1.05rem; color: rgba(255,255,255,0.75); margin-bottom: 32px; line-height: 1.7; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 32px; margin-top: 40px; padding-top: 32px; border-top: 1px solid rgba(255,255,255,0.12); }
.hero-stat-val { font-size: 1.8rem; font-weight: 900; color: var(--teal2); }
.hero-stat-lbl { font-size: 12px; color: rgba(255,255,255,0.6); margin-top: 2px; }

/* Hero Visual — Document mockup */
.hero-visual { display: flex; justify-content: center; align-items: center; animation: float 4s ease-in-out infinite; }
.doc-stack { position: relative; width: 280px; height: 340px; }
.doc-card { position: absolute; background: #fff; border-radius: 12px; box-shadow: 0 8px 40px rgba(0,0,0,0.35); padding: 20px; }
.doc-card.back { width: 240px; height: 300px; top: 30px; left: 30px; transform: rotate(6deg); opacity: .6; }
.doc-card.mid { width: 250px; height: 310px; top: 20px; left: 20px; transform: rotate(2deg); opacity: .85; }
.doc-card.front { width: 260px; height: 320px; top: 0; left: 0; transform: rotate(-1deg); }
.doc-top { height: 10px; border-radius: 4px; background: linear-gradient(90deg, var(--teal), var(--navy2)); margin-bottom: 14px; }
.doc-line { height: 8px; background: var(--bg2); border-radius: 4px; margin-bottom: 8px; }
.doc-line.w80 { width: 80%; }
.doc-line.w60 { width: 60%; }
.doc-line.w90 { width: 90%; }
.doc-line.w40 { width: 40%; }
.doc-icon-row { display: flex; gap: 8px; margin: 14px 0 10px; }
.doc-ico { width: 32px; height: 32px; border-radius: 6px; }

/* ===== FEATURE STRIP ===== */
.feat-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; background: #fff; }
.feat-strip-item { padding: 32px 24px; border-right: 1px solid var(--border); text-align: center; }
.feat-strip-item:last-child { border-right: none; }
.feat-strip-num { font-size: 2rem; font-weight: 900; color: var(--teal); margin-bottom: 4px; }
.feat-strip-lbl { font-size: 13px; color: var(--text2); }

/* ===== CARD GRID ===== */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px 24px; transition: all .25s; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--teal); }
.card-icon { width: 52px; height: 52px; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.card-icon.teal { background: rgba(13,148,136,0.1); }
.card-icon.navy { background: rgba(15,31,61,0.08); }
.card-icon.amber { background: rgba(245,158,11,0.1); }
.card-icon.rose { background: rgba(239,68,68,0.08); }
.card-icon.violet { background: rgba(139,92,246,0.08); }
.card-icon.sky { background: rgba(14,165,233,0.08); }
.card-title { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.card-desc { font-size: 14px; color: var(--text2); line-height: 1.6; }

/* ===== PLATFORM GRID ===== */
.plat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.plat-card { background: #fff; border: 2px solid var(--border); border-radius: var(--radius-lg); padding: 28px 20px; text-align: center; transition: all .25s; cursor: pointer; }
.plat-card:hover, .plat-card.featured { border-color: var(--teal); box-shadow: 0 0 0 4px rgba(13,148,136,0.08); }
.plat-card.featured { border-color: var(--navy); }
.plat-ico { width: 56px; height: 56px; margin: 0 auto 14px; }
.plat-name { font-size: 1.05rem; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.plat-ver { font-size: 12px; color: var(--text3); margin-bottom: 16px; }
.plat-card button { width: 100%; }

/* ===== DEEP FEATURES ===== */
.deep-section { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; padding: 72px 0; border-bottom: 1px solid var(--border); }
.deep-section:last-child { border-bottom: none; }
.deep-section.rev { direction: rtl; }
.deep-section.rev > * { direction: ltr; }
.deep-badge { display: inline-block; background: rgba(13,148,136,0.1); color: var(--teal); font-size: 11px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; padding: 3px 10px; border-radius: 20px; margin-bottom: 12px; }
.deep-title { font-size: 1.6rem; font-weight: 800; color: var(--navy); margin-bottom: 14px; line-height: 1.3; }
.deep-desc { font-size: 0.95rem; color: var(--text2); line-height: 1.75; margin-bottom: 20px; }
.deep-list { display: flex; flex-direction: column; gap: 10px; }
.deep-list li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text2); }
.deep-list li::before { content:''; width:7px; height:7px; border-radius:50%; background:var(--teal); flex-shrink:0; }
.deep-visual { background: var(--bg2); border-radius: var(--radius-lg); padding: 32px; min-height: 280px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--border); }

/* ===== REVIEWS ===== */
.rev-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.rev-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; }
.rev-top { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.rev-avatar { width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 16px; color: #fff; flex-shrink: 0; }
.rev-name { font-weight: 700; font-size: 14px; color: var(--navy); }
.rev-role { font-size: 12px; color: var(--text3); }
.rev-stars { display: flex; gap: 2px; margin-bottom: 10px; }
.rev-text { font-size: 14px; color: var(--text2); line-height: 1.65; }

/* ===== COMPARISON TABLE ===== */
.cmp-wrap { overflow-x: auto; }
.cmp-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.cmp-table th { background: var(--navy); color: #fff; padding: 14px 20px; text-align: center; font-weight: 700; }
.cmp-table th:first-child { text-align: left; border-radius: 8px 0 0 0; }
.cmp-table th:last-child { border-radius: 0 8px 0 0; }
.cmp-table th.hl { background: var(--teal); }
.cmp-table td { padding: 13px 20px; border-bottom: 1px solid var(--border); }
.cmp-table td:first-child { font-weight: 600; color: var(--navy); }
.cmp-table td:not(:first-child) { text-align: center; color: var(--text2); }
.cmp-table tr:hover td { background: rgba(13,148,136,0.04); }
.cmp-table .yes { color: var(--teal); font-weight: 700; }
.cmp-table .no { color: #94a3b8; }
.cmp-table .hl-col { background: rgba(13,148,136,0.06); }

/* ===== FAQ ===== */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: border-color .2s; }
.faq-item.open { border-color: var(--teal); }
.faq-q { display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; cursor: pointer; font-weight: 600; color: var(--navy); font-size: 15px; user-select: none; }
.faq-q:hover { background: var(--bg2); }
.faq-chevron { width: 20px; height: 20px; flex-shrink: 0; transition: transform .25s; color: var(--text3); }
.faq-item.open .faq-chevron { transform: rotate(180deg); color: var(--teal); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-item.open .faq-a { max-height: 400px; }
.faq-a-inner { padding: 0 22px 18px; font-size: 14px; color: var(--text2); line-height: 1.7; }

/* ===== CTA BANNER ===== */
.cta-banner { text-align: center; padding: 80px 24px; background: linear-gradient(135deg, var(--navy) 0%, #1e3a5f 100%); color: #fff; }
.cta-title { font-size: 2rem; font-weight: 800; margin-bottom: 14px; }
.cta-desc { font-size: 1rem; color: rgba(255,255,255,0.75); margin-bottom: 32px; max-width: 520px; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ===== DOWNLOAD PAGE ===== */
.dl-hero { background: linear-gradient(135deg, var(--navy) 0%, #1e3a5f 100%); color: #fff; padding: 72px 24px; text-align: center; }
.dl-hero-inner { max-width: 700px; margin: 0 auto; }
.dl-hero-title { font-size: 2.4rem; font-weight: 900; margin-bottom: 14px; }
.dl-hero-sub { font-size: 1rem; color: rgba(255,255,255,0.75); margin-bottom: 0; }

.dl-main-box { background: #fff; border: 2px solid var(--border); border-radius: var(--radius-lg); padding: 40px; max-width: 640px; margin: -40px auto 0; position: relative; z-index: 2; box-shadow: var(--shadow-md); }
.dl-main-head { display: flex; align-items: center; gap: 16px; margin-bottom: 28px; }
.dl-main-icon { width: 64px; height: 64px; border-radius: 14px; background: rgba(15,31,61,0.06); display: flex; align-items: center; justify-content: center; }
.dl-main-name { font-size: 1.2rem; font-weight: 800; color: var(--navy); }
.dl-main-meta { font-size: 13px; color: var(--text3); margin-top: 3px; }
.dl-spec-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 24px 0; }
.dl-spec { background: var(--bg2); border-radius: 8px; padding: 12px 16px; }
.dl-spec-label { font-size: 11px; color: var(--text3); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 4px; }
.dl-spec-val { font-size: 14px; font-weight: 700; color: var(--navy); }
.dl-main-btn { width: 100%; }

.other-plats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 32px; }
.op-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 20px; text-align: center; }
.op-ico { width: 48px; height: 48px; margin: 0 auto 12px; }
.op-name { font-weight: 700; font-size: 14px; color: var(--navy); margin-bottom: 3px; }
.op-ver { font-size: 12px; color: var(--text3); margin-bottom: 14px; }
.op-card button { width: 100%; }

/* ===== GUIDE STEPS ===== */
.guide-steps { display: flex; flex-direction: column; gap: 0; }
.gstep { display: flex; gap: 20px; padding: 24px 0; border-bottom: 1px solid var(--border); }
.gstep:last-child { border-bottom: none; }
.gstep-num { width: 40px; height: 40px; border-radius: 50%; background: var(--teal); color: #fff; font-weight: 800; font-size: 16px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.gstep-body { flex: 1; }
.gstep-title { font-weight: 700; color: var(--navy); font-size: 15px; margin-bottom: 6px; }
.gstep-desc { font-size: 14px; color: var(--text2); line-height: 1.65; }

/* ===== REQ GRID ===== */
.req-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.req-card { background: var(--bg2); border-radius: var(--radius); padding: 20px; display: flex; gap: 14px; align-items: flex-start; }
.req-ico { width: 36px; height: 36px; border-radius: 8px; background: #fff; display: flex; align-items: center; justify-content: center; flex-shrink: 0; box-shadow: var(--shadow); }
.req-title { font-weight: 700; font-size: 14px; color: var(--navy); margin-bottom: 4px; }
.req-desc { font-size: 13px; color: var(--text2); }

/* ===== VERSION TIMELINE ===== */
.ver-list { display: flex; flex-direction: column; gap: 0; }
.ver-item { display: flex; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--border); }
.ver-item:last-child { border-bottom: none; }
.ver-dot-col { display: flex; flex-direction: column; align-items: center; gap: 0; }
.ver-dot { width: 14px; height: 14px; border-radius: 50%; background: var(--teal); flex-shrink: 0; margin-top: 4px; }
.ver-line { width: 2px; flex: 1; background: var(--border); margin-top: 4px; }
.ver-item:last-child .ver-line { display: none; }
.ver-body { flex: 1; padding-bottom: 4px; }
.ver-head { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.ver-tag { display: inline-block; background: var(--navy); color: #fff; font-size: 11px; font-weight: 700; padding: 2px 10px; border-radius: 10px; }
.ver-tag.stable { background: var(--teal); }
.ver-tag.lts { background: var(--amber); }
.ver-date { font-size: 12px; color: var(--text3); }
.ver-desc { font-size: 14px; color: var(--text2); line-height: 1.6; }

/* ===== ARTICLE / ZH-CN ===== */
.article-hero { background: linear-gradient(135deg, var(--navy) 0%, #1e3a5f 100%); color: #fff; padding: 72px 24px; }
.article-hero-inner { max-width: 800px; margin: 0 auto; text-align: center; }
.article-title { font-size: 2.2rem; font-weight: 900; margin-bottom: 14px; line-height: 1.3; }
.article-desc { font-size: 1rem; color: rgba(255,255,255,0.75); margin-bottom: 24px; }
.kw-strip { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.kw { display: inline-block; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.2); color: rgba(255,255,255,0.85); font-size: 12px; padding: 4px 12px; border-radius: 20px; }

.article-layout { display: grid; grid-template-columns: 1fr 300px; gap: 40px; max-width: 1140px; margin: 60px auto; padding: 0 24px; }
.article-body { min-width: 0; }
.article-body h2 { font-size: 1.35rem; font-weight: 800; color: var(--navy); margin: 36px 0 14px; padding-left: 14px; border-left: 4px solid var(--teal); }
.article-body h3 { font-size: 1.1rem; font-weight: 700; color: var(--navy); margin: 24px 0 10px; }
.article-body p { font-size: 15px; color: var(--text2); line-height: 1.8; margin-bottom: 14px; }
.article-body ul { margin: 12px 0 20px 0; }
.article-body ul li { font-size: 14px; color: var(--text2); padding: 5px 0 5px 20px; position: relative; line-height: 1.6; }
.article-body ul li::before { content:''; position:absolute; left:4px; top:12px; width:7px; height:7px; border-radius:50%; background: var(--teal); }

.inline-cta { background: linear-gradient(135deg, rgba(13,148,136,0.08), rgba(15,31,61,0.05)); border: 1px solid rgba(13,148,136,0.2); border-radius: var(--radius); padding: 24px; margin: 28px 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.inline-cta-text strong { display: block; font-size: 15px; color: var(--navy); margin-bottom: 4px; }
.inline-cta-text span { font-size: 13px; color: var(--text2); }

/* ===== SIDEBAR ===== */
.sidebar { position: sticky; top: 80px; display: flex; flex-direction: column; gap: 20px; }
.sbox { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.sbox-title { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--text3); margin-bottom: 14px; }
.sbox button { width: 100%; margin-bottom: 10px; }
.stoc { display: flex; flex-direction: column; gap: 6px; }
.stoc a { font-size: 13px; color: var(--text2); padding: 4px 8px; border-radius: 5px; border-left: 3px solid transparent; transition: all .15s; }
.stoc a:hover { background: var(--bg2); border-left-color: var(--teal); color: var(--navy); }
.sstat-item { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--border); }
.sstat-item:last-child { border-bottom: none; }
.sstat-num { font-size: 1.1rem; font-weight: 800; color: var(--teal); }
.sstat-lbl { font-size: 13px; color: var(--text2); }
.side-security { background: rgba(13,148,136,0.06); border: 1px solid rgba(13,148,136,0.2); border-radius: var(--radius); padding: 16px; display: flex; gap: 10px; align-items: flex-start; }
.side-security p { font-size: 13px; color: var(--text2); line-height: 1.5; }

/* ===== FOOTER ===== */
.site-footer { background: var(--navy); color: rgba(255,255,255,0.6); padding: 32px 24px; text-align: center; font-size: 13px; line-height: 1.8; }
.footer-brand { color: #fff; font-weight: 700; font-size: 16px; margin-bottom: 10px; display: flex; align-items: center; justify-content: center; gap: 8px; }
.footer-brand em { color: var(--teal2); font-style: normal; }
.footer-security { color: rgba(255,255,255,0.75); margin-bottom: 6px; }
.footer-note { color: rgba(255,255,255,0.4); font-size: 12px; }

/* ===== SECURITY BANNER ===== */
.sec-banner { background: rgba(13,148,136,0.08); border: 1px solid rgba(13,148,136,0.2); border-radius: var(--radius); padding: 20px 24px; display: flex; align-items: center; gap: 16px; }
.sec-banner-ico { flex-shrink: 0; color: var(--teal); }
.sec-banner-text strong { display: block; color: var(--navy); font-size: 14px; margin-bottom: 3px; }
.sec-banner-text span { font-size: 13px; color: var(--text2); }

/* ===== MISC ===== */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.tips-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.tip-card { background: var(--bg2); border-radius: var(--radius); padding: 18px; border-left: 4px solid var(--teal); }
.tip-card h4 { font-size: 14px; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.tip-card p { font-size: 13px; color: var(--text2); line-height: 1.6; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .plat-grid { grid-template-columns: repeat(2, 1fr); }
  .deep-section { grid-template-columns: 1fr; gap: 32px; }
  .deep-section.rev { direction: ltr; }
  .article-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .rev-grid { grid-template-columns: repeat(2, 1fr); }
  .feat-strip { grid-template-columns: repeat(2, 1fr); }
  .feat-strip-item:nth-child(2) { border-right: none; }
  .feat-strip-item:nth-child(3) { border-right: 1px solid var(--border); border-top: 1px solid var(--border); }
  .feat-strip-item:nth-child(4) { border-top: 1px solid var(--border); }
}
@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .hero-title { font-size: 2rem; }
  .nav-wrap { gap: 16px; }
  .nav-dl { display: none; }
  .sec-title { font-size: 1.6rem; }
  .two-col { grid-template-columns: 1fr; }
  .dl-spec-row { grid-template-columns: repeat(2, 1fr); }
  .other-plats { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .rev-grid { grid-template-columns: 1fr; }
  .feat-strip { grid-template-columns: repeat(2,1fr); }
  .req-grid { grid-template-columns: 1fr; }
  .tips-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .hero-title { font-size: 1.7rem; }
  .hero-stats { flex-wrap: wrap; gap: 16px; }
  .nav-list a { padding: 5px 10px; }
  .feat-strip { grid-template-columns: 1fr; }
  .feat-strip-item { border-right: none !important; border-bottom: 1px solid var(--border); }
  .feat-strip-item:last-child { border-bottom: none; }
  .plat-grid { grid-template-columns: 1fr; }
}