/* ============================================================
   TG中文版 telegram2 — Paper Sky / Origami Aviation Theme
   Cream paper base + Sky blue + Sunset orange + Mint teal
   ============================================================ */

:root {
  --paper: #fdfaf3;
  --paper-2: #fff8ec;
  --white: #ffffff;
  --ink: #0f172a;
  --ink-2: #1e293b;
  --ink-3: #334155;
  --muted: #64748b;
  --line: #e6dfd0;
  --line-2: #ede5d3;
  --sky: #0088cc;
  --sky-d: #006fa3;
  --sky-soft: #e6f4fb;
  --sunset: #ff6b35;
  --sunset-d: #e2522a;
  --sunset-soft: #fff0e8;
  --mint: #14b8a6;
  --mint-d: #0d9488;
  --mint-soft: #e0f7f4;
  --amber: #f59e0b;
  --amber-d: #d97706;
  --rose: #f43f5e;
  --violet: #8b5cf6;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes paper-float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(1deg); }
}

@keyframes plane-fly {
  0% { transform: translateX(-12px) translateY(6px) rotate(-2deg); }
  50% { transform: translateX(0) translateY(-6px) rotate(0deg); }
  100% { transform: translateX(-12px) translateY(6px) rotate(-2deg); }
}

@keyframes dot-trail {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(15, 23, 42, 0.04) 1px, transparent 0);
  background-size: 22px 22px;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.hl { color: var(--sky); }
.hl2 { color: var(--sunset); }
.hl3 { color: var(--mint); }

/* =================== Navigation =================== */
.ps-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(253, 250, 243, 0.92);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px dashed var(--line);
}

.ps-nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.ps-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ps-brand-mark {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--sky) 0%, #4cb3ea 100%);
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: #fff;
  box-shadow: 0 8px 18px rgba(0, 136, 204, 0.28);
  transform: rotate(-4deg);
}

.ps-brand-mark svg { width: 22px; height: 22px; }

.ps-brand-name {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--ink);
}

.ps-brand-name span { color: var(--sky); }

.ps-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ps-link {
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-3);
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.ps-link:hover {
  color: var(--sky);
  background: var(--sky-soft);
}

.ps-link.active {
  background: var(--sky);
  color: #fff;
  border-color: var(--sky-d);
  box-shadow: 0 6px 16px rgba(0, 136, 204, 0.28);
}

.ps-nav-cta {
  background: var(--sunset);
  color: #fff;
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  border: none;
  box-shadow: 0 6px 14px rgba(255, 107, 53, 0.32);
  transition: transform 0.2s, box-shadow 0.2s;
}

.ps-nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(255, 107, 53, 0.38);
}

.ps-nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--white);
  border: 1px solid var(--line);
  align-items: center;
  justify-content: center;
}

.ps-nav-mobile {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 14px 24px 18px;
  background: var(--paper);
  border-bottom: 1px dashed var(--line);
}

.ps-nav-mobile.open { display: flex; }

.ps-nav-mobile .ps-link {
  padding: 12px 16px;
  border: 1px solid var(--line);
}

@media (max-width: 880px) {
  .ps-links { display: none; }
  .ps-nav-cta { display: none; }
  .ps-nav-toggle { display: inline-flex; }
}

/* =================== Buttons =================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  font-size: 15px;
  font-weight: 700;
  border-radius: 12px;
  border: 1.5px solid transparent;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  white-space: nowrap;
  font-family: inherit;
  cursor: pointer;
}

.btn svg { width: 18px; height: 18px; }
.btn-lg { padding: 16px 30px; font-size: 16px; border-radius: 14px; }
.btn-sm { padding: 9px 16px; font-size: 13px; border-radius: 10px; }

.btn-sky {
  background: var(--sky);
  color: #fff;
  border-color: var(--sky-d);
  box-shadow: 0 8px 22px rgba(0, 136, 204, 0.28);
}
.btn-sky:hover { background: var(--sky-d); transform: translateY(-2px); box-shadow: 0 14px 30px rgba(0, 136, 204, 0.38); }

.btn-sunset {
  background: var(--sunset);
  color: #fff;
  border-color: var(--sunset-d);
  box-shadow: 0 8px 22px rgba(255, 107, 53, 0.28);
}
.btn-sunset:hover { background: var(--sunset-d); transform: translateY(-2px); box-shadow: 0 14px 30px rgba(255, 107, 53, 0.38); }

.btn-mint {
  background: var(--mint);
  color: #fff;
  border-color: var(--mint-d);
  box-shadow: 0 8px 22px rgba(20, 184, 166, 0.28);
}
.btn-mint:hover { background: var(--mint-d); transform: translateY(-2px); }

.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-outline:hover { background: var(--ink); color: #fff; transform: translateY(-2px); }

.btn-outline-sky {
  background: var(--white);
  color: var(--sky);
  border-color: var(--sky);
}
.btn-outline-sky:hover { background: var(--sky); color: #fff; }

.btn-outline-w {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.55);
}
.btn-outline-w:hover { background: #fff; color: var(--ink); }

.btn-white {
  background: #fff;
  color: var(--ink);
  border-color: #fff;
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.18);
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 12px 24px rgba(15, 23, 42, 0.24); }

.btn-ghost { color: var(--ink); }
.btn-ghost:hover { background: rgba(15, 23, 42, 0.06); }

/* =================== Sections =================== */
.sec { padding: 96px 0; }
.sec-sm { padding: 60px 0; }
.sec-paper { background: var(--paper); }
.sec-cream { background: var(--paper-2); }
.sec-white { background: var(--white); border-top: 1px dashed var(--line); border-bottom: 1px dashed var(--line); }
.sec-ink { background: var(--ink); color: #fff; }
.sec-sky { background: linear-gradient(135deg, var(--sky) 0%, #006fa3 100%); color: #fff; }

.sec-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 60px;
}

.sec-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
}
.sec-eyebrow-dot { width: 6px; height: 6px; border-radius: 50%; }

.eb-sky { background: var(--sky-soft); color: var(--sky-d); }
.eb-sky .sec-eyebrow-dot { background: var(--sky); }
.eb-sunset { background: var(--sunset-soft); color: var(--sunset-d); }
.eb-sunset .sec-eyebrow-dot { background: var(--sunset); }
.eb-mint { background: var(--mint-soft); color: var(--mint-d); }
.eb-mint .sec-eyebrow-dot { background: var(--mint); }
.eb-amber { background: #fef3c7; color: var(--amber-d); }
.eb-amber .sec-eyebrow-dot { background: var(--amber); }
.eb-white { background: rgba(255, 255, 255, 0.16); color: #fff; }
.eb-white .sec-eyebrow-dot { background: #fff; }

.sec-title {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.sec-title-light { color: #fff; }

.sec-sub {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.7;
}
.sec-sub-light { color: rgba(255, 255, 255, 0.78); }

@media (max-width: 720px) {
  .sec { padding: 64px 0; }
  .sec-title { font-size: 30px; }
}

/* =================== Hero =================== */
.hero {
  position: relative;
  padding: 80px 0 100px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 136, 204, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -200px;
  left: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: var(--white);
  border: 1px dashed var(--line);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-2);
  margin-bottom: 24px;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.04);
}

.hero-eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px rgba(20, 184, 166, 0.18);
}

.hero-title {
  font-size: 54px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -1.5px;
  color: var(--ink);
}

.hero-title .line {
  display: block;
}

.hero-desc {
  font-size: 18px;
  color: var(--ink-3);
  line-height: 1.75;
  margin-bottom: 32px;
  max-width: 540px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 36px;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-3);
  font-weight: 600;
}

.hero-trust-item svg {
  width: 16px;
  height: 16px;
  color: var(--mint);
}

/* Hero Visual: Paper Plane Postcard */
.hero-vis {
  position: relative;
  height: 540px;
}

.hero-paper-card {
  position: absolute;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 16px 48px rgba(15, 23, 42, 0.12);
}

.hpc-main {
  width: 320px;
  top: 80px;
  left: 60px;
  z-index: 3;
  transform: rotate(-3deg);
  animation: paper-float 6s ease-in-out infinite;
}

.hpc-mini {
  width: 200px;
  top: 30px;
  right: 30px;
  z-index: 4;
  transform: rotate(4deg);
  animation: paper-float 5s ease-in-out infinite 1s;
  background: linear-gradient(135deg, var(--sky) 0%, #4cb3ea 100%);
  color: #fff;
  border-color: var(--sky-d);
}

.hpc-stamp {
  width: 180px;
  bottom: 40px;
  right: 40px;
  z-index: 5;
  transform: rotate(-6deg);
  background: var(--sunset-soft);
  border: 1px dashed var(--sunset);
  animation: paper-float 7s ease-in-out infinite 0.5s;
}

.hpc-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line);
}

.hpc-mini .hpc-head { border-bottom-color: rgba(255, 255, 255, 0.32); }

.hpc-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--sky-soft);
  color: var(--sky);
}
.hpc-mini .hpc-icon { background: rgba(255, 255, 255, 0.2); color: #fff; }
.hpc-icon svg { width: 18px; height: 18px; }

.hpc-meta { flex: 1; }
.hpc-title { font-size: 14px; font-weight: 700; line-height: 1.3; }
.hpc-sub { font-size: 12px; color: var(--muted); margin-top: 2px; }
.hpc-mini .hpc-sub { color: rgba(255, 255, 255, 0.85); }

.hpc-msgs { display: flex; flex-direction: column; gap: 10px; }
.hpc-msg {
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 13px;
  line-height: 1.5;
  max-width: 78%;
}
.hpc-msg.out {
  background: linear-gradient(135deg, var(--sky) 0%, #4cb3ea 100%);
  color: #fff;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}
.hpc-msg.in {
  background: var(--paper-2);
  color: var(--ink-2);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.hpc-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.hpc-stat-item { text-align: center; }
.hpc-stat-num {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
}
.hpc-stat-lbl {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.85);
  margin-top: 2px;
}

.hpc-stamp-text {
  font-size: 13px;
  font-weight: 800;
  color: var(--sunset-d);
  letter-spacing: 0.5px;
  text-align: center;
  padding: 8px 0;
}
.hpc-stamp-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--ink);
  text-align: center;
  margin: 4px 0;
}
.hpc-stamp-sub {
  font-size: 11px;
  color: var(--muted);
  text-align: center;
}

.hero-plane-trail {
  position: absolute;
  top: 360px;
  left: 0;
  width: 100%;
  pointer-events: none;
  z-index: 2;
  opacity: 0.55;
}

.hero-plane-trail svg {
  width: 100%;
  height: auto;
}

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-title { font-size: 40px; }
  .hero-vis { height: 460px; }
  .hpc-main { width: 280px; left: 20px; }
  .hpc-mini { width: 180px; right: 10px; }
  .hpc-stamp { width: 160px; right: 30px; }
}

/* =================== Stats Strip =================== */
.stats-strip {
  padding: 36px 0;
  background: var(--ink);
  color: #fff;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 30px;
}

.stat-item {
  text-align: center;
  padding: 0 10px;
  border-right: 1px dashed rgba(255, 255, 255, 0.18);
}
.stat-item:last-child { border-right: none; }

.stat-num {
  font-size: 36px;
  font-weight: 800;
  background: linear-gradient(135deg, #4cb3ea 0%, #fff 50%, #ffb18b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-lbl {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 4px;
  font-weight: 600;
}

@media (max-width: 880px) {
  .stats-row { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .stat-item { border-right: none; border-bottom: 1px dashed rgba(255, 255, 255, 0.18); padding-bottom: 16px; }
  .stat-num { font-size: 28px; }
}

/* =================== Feature Grid =================== */
.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feat-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px 24px;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  overflow: hidden;
}

.feat-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 28px 28px 0;
  border-color: transparent var(--paper-2) transparent transparent;
  transition: border-color 0.3s;
}

.feat-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--sky);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.feat-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.1);
  border-color: var(--sky);
}
.feat-card:hover::after { transform: scaleX(1); }
.feat-card:hover::before { border-color: transparent var(--sky-soft) transparent transparent; }

.feat-card.fc-sunset:hover { border-color: var(--sunset); }
.feat-card.fc-sunset::after { background: var(--sunset); }
.feat-card.fc-sunset:hover::before { border-color: transparent var(--sunset-soft) transparent transparent; }

.feat-card.fc-mint:hover { border-color: var(--mint); }
.feat-card.fc-mint::after { background: var(--mint); }
.feat-card.fc-mint:hover::before { border-color: transparent var(--mint-soft) transparent transparent; }

.feat-card.fc-amber:hover { border-color: var(--amber); }
.feat-card.fc-amber::after { background: var(--amber); }

.feat-card.fc-violet:hover { border-color: var(--violet); }
.feat-card.fc-violet::after { background: var(--violet); }

.feat-card.fc-rose:hover { border-color: var(--rose); }
.feat-card.fc-rose::after { background: var(--rose); }

.feat-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  position: relative;
}

.feat-icon svg { width: 26px; height: 26px; }

.fi-sky { background: var(--sky-soft); color: var(--sky); }
.fi-sunset { background: var(--sunset-soft); color: var(--sunset-d); }
.fi-mint { background: var(--mint-soft); color: var(--mint-d); }
.fi-amber { background: #fef3c7; color: var(--amber-d); }
.fi-violet { background: #ede9fe; color: var(--violet); }
.fi-rose { background: #ffe4e6; color: var(--rose); }

.feat-name {
  font-size: 19px;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--ink);
}

.feat-desc {
  font-size: 14px;
  color: var(--ink-3);
  line-height: 1.7;
}

@media (max-width: 880px) {
  .feat-grid { grid-template-columns: 1fr; }
}

/* =================== Platform Grid =================== */
.plat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.plat-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px 22px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}

.plat-card.featured {
  background: linear-gradient(160deg, var(--ink) 0%, #1e293b 100%);
  color: #fff;
  border-color: var(--ink);
  box-shadow: 0 18px 38px rgba(15, 23, 42, 0.22);
}

.plat-card:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(15, 23, 42, 0.1); }
.plat-card.featured:hover { box-shadow: 0 24px 50px rgba(15, 23, 42, 0.32); }

.plat-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: var(--sunset);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: 0.5px;
}

.plat-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 16px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--sky-soft);
  color: var(--sky);
}

.plat-card.featured .plat-icon {
  background: rgba(76, 179, 234, 0.2);
  color: #4cb3ea;
}
.plat-icon svg { width: 28px; height: 28px; }

.plat-name {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 6px;
}

.plat-ver {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 8px;
  font-family: "SFMono-Regular", Menlo, Consolas, monospace;
}
.plat-card.featured .plat-ver { color: rgba(255, 255, 255, 0.66); }

.plat-desc {
  font-size: 13px;
  color: var(--ink-3);
  margin-bottom: 18px;
  line-height: 1.6;
  min-height: 42px;
}
.plat-card.featured .plat-desc { color: rgba(255, 255, 255, 0.78); }

.plat-btn {
  width: 100%;
  padding: 11px 14px;
  font-size: 14px;
}

@media (max-width: 880px) {
  .plat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .plat-grid { grid-template-columns: 1fr; }
}

/* =================== Module Tabs =================== */
.mod-tabs-wrap {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 8px;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.06);
}

.mod-tabs {
  display: flex;
  gap: 4px;
  padding: 6px;
  background: var(--paper-2);
  border-radius: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.mod-tab {
  flex: 1;
  min-width: 100px;
  padding: 14px 18px;
  border-radius: 12px;
  background: transparent;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.25s ease;
}
.mod-tab svg { width: 16px; height: 16px; }
.mod-tab.active {
  background: var(--white);
  color: var(--sky);
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.06);
}

.mod-panel { display: none; padding: 16px; }
.mod-panel.active { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }

.mod-info { padding: 12px; }
.mod-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 16px;
}
.mb-sky { background: var(--sky-soft); color: var(--sky-d); }
.mb-sunset { background: var(--sunset-soft); color: var(--sunset-d); }
.mb-mint { background: var(--mint-soft); color: var(--mint-d); }
.mb-amber { background: #fef3c7; color: var(--amber-d); }

.mod-h3 { font-size: 26px; font-weight: 800; margin-bottom: 12px; color: var(--ink); }
.mod-desc { font-size: 15px; color: var(--ink-3); line-height: 1.75; margin-bottom: 20px; }

.mod-feats { display: flex; flex-direction: column; gap: 10px; }
.mod-feat {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.6;
}
.mod-feat-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.mod-feat-dot svg { width: 10px; height: 10px; color: #fff; }
.mfd-sky { background: var(--sky); }
.mfd-sunset { background: var(--sunset); }
.mfd-mint { background: var(--mint); }
.mfd-amber { background: var(--amber); }

.mod-vis {
  background: linear-gradient(160deg, var(--paper-2) 0%, var(--paper) 100%);
  border-radius: 18px;
  padding: 28px;
  border: 1px dashed var(--line);
  min-height: 320px;
}

.mv-title {
  font-size: 13px;
  text-transform: uppercase;
  font-weight: 800;
  color: var(--muted);
  margin-bottom: 18px;
  letter-spacing: 1.5px;
}

.mv-bar-row {
  display: grid;
  grid-template-columns: 90px 1fr 50px;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.mv-bar-label { font-size: 13px; font-weight: 700; color: var(--ink-2); }

.mv-bar-track {
  height: 10px;
  background: rgba(15, 23, 42, 0.08);
  border-radius: 999px;
  overflow: hidden;
}

.mv-bar-fill {
  height: 100%;
  border-radius: 999px;
}
.mvf-sky { background: linear-gradient(90deg, var(--sky), #4cb3ea); }
.mvf-sunset { background: linear-gradient(90deg, var(--sunset), #ffb18b); }
.mvf-mint { background: linear-gradient(90deg, var(--mint), #5eead4); }
.mvf-amber { background: linear-gradient(90deg, var(--amber), #fbbf24); }

.mv-bar-val { font-size: 13px; font-weight: 800; color: var(--ink); text-align: right; }

.mv-stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px dashed var(--line);
}

.mv-stat { text-align: center; }
.mv-stat-num { font-size: 22px; font-weight: 800; color: var(--ink); }
.mv-stat-num.c-sky { color: var(--sky); }
.mv-stat-num.c-sunset { color: var(--sunset); }
.mv-stat-num.c-mint { color: var(--mint); }
.mv-stat-lbl { font-size: 11px; color: var(--muted); margin-top: 4px; }

@media (max-width: 880px) {
  .mod-panel.active { grid-template-columns: 1fr; }
}

/* =================== Deep Rows =================== */
.deep-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 96px;
}
.deep-row:last-child { margin-bottom: 0; }
.deep-row.flip > .deep-info { order: 2; }
.deep-row.flip > .deep-vis { order: 1; }

.deep-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.5px;
  margin-bottom: 18px;
}
.dc-sky { background: var(--sky-soft); color: var(--sky-d); }
.dc-sunset { background: var(--sunset-soft); color: var(--sunset-d); }
.dc-mint { background: var(--mint-soft); color: var(--mint-d); }
.dc-amber { background: #fef3c7; color: var(--amber-d); }

.deep-h3 {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 18px;
  letter-spacing: -0.5px;
  color: var(--ink);
}

.deep-desc {
  font-size: 16px;
  color: var(--ink-3);
  line-height: 1.8;
  margin-bottom: 22px;
}

.deep-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.dl-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.6;
}

.dl-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  margin-top: 1px;
}
.dl-dot svg { width: 12px; height: 12px; color: #fff; }
.dld-sky { background: var(--sky); }
.dld-sunset { background: var(--sunset); }
.dld-mint { background: var(--mint); }
.dld-amber { background: var(--amber); }

.deep-vis {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 28px;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.06);
}

.dv-title {
  font-size: 13px;
  text-transform: uppercase;
  font-weight: 800;
  color: var(--muted);
  margin-bottom: 20px;
  letter-spacing: 1.5px;
  text-align: center;
}

.dv-bar-row {
  display: grid;
  grid-template-columns: 100px 1fr 50px;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.dv-bar-label { font-size: 13px; font-weight: 700; color: var(--ink-2); }

.dv-bar-track {
  height: 10px;
  background: var(--paper-2);
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.dv-bar-fill {
  height: 100%;
  border-radius: 999px;
}
.dvbf-sky { background: linear-gradient(90deg, var(--sky), #4cb3ea); }
.dvbf-sunset { background: linear-gradient(90deg, var(--sunset), #ffb18b); }
.dvbf-mint { background: linear-gradient(90deg, var(--mint), #5eead4); }
.dvbf-amber { background: linear-gradient(90deg, var(--amber), #fbbf24); }
.dvbf-violet { background: linear-gradient(90deg, var(--violet), #c4b5fd); }

.dv-bar-val { font-size: 13px; font-weight: 800; color: var(--ink); text-align: right; }

.dv-stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px dashed var(--line);
}

.dv-stat { text-align: center; }
.dv-stat-num { font-size: 22px; font-weight: 800; }
.dvn-sky { color: var(--sky); }
.dvn-sunset { color: var(--sunset); }
.dvn-mint { color: var(--mint); }
.dvn-amber { color: var(--amber-d); }
.dv-stat-lbl { font-size: 11px; color: var(--muted); margin-top: 4px; }

@media (max-width: 880px) {
  .deep-row { grid-template-columns: 1fr; gap: 32px; margin-bottom: 60px; }
  .deep-row.flip > .deep-info { order: 1; }
  .deep-row.flip > .deep-vis { order: 2; }
  .deep-h3 { font-size: 26px; }
}

/* =================== Reviews =================== */
.rev-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.rev-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.rev-card::before {
  content: "“";
  position: absolute;
  top: 4px;
  right: 16px;
  font-size: 60px;
  font-family: serif;
  color: var(--paper-2);
  line-height: 1;
  pointer-events: none;
}

.rev-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.08);
}

.rev-stars {
  display: flex;
  gap: 2px;
  margin-bottom: 14px;
}

.rev-star { width: 16px; height: 16px; color: var(--amber); }

.rev-text {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.7;
  margin-bottom: 18px;
  position: relative;
}

.rev-footer {
  display: flex;
  align-items: center;
  gap: 12px;
}

.rev-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  font-size: 15px;
  flex-shrink: 0;
}

.av-sky { background: linear-gradient(135deg, var(--sky), #4cb3ea); }
.av-sunset { background: linear-gradient(135deg, var(--sunset), #ffb18b); }
.av-mint { background: linear-gradient(135deg, var(--mint), #5eead4); }
.av-amber { background: linear-gradient(135deg, var(--amber), #fbbf24); }
.av-violet { background: linear-gradient(135deg, var(--violet), #c4b5fd); }
.av-rose { background: linear-gradient(135deg, var(--rose), #fda4af); }

.rev-name { font-size: 14px; font-weight: 800; color: var(--ink); }
.rev-role { font-size: 12px; color: var(--muted); margin-top: 2px; }

@media (max-width: 880px) {
  .rev-grid { grid-template-columns: 1fr; }
}

/* =================== Comparison Table =================== */
.cmp-wrap {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 8px;
  overflow-x: auto;
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.06);
}

.cmp-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
  font-size: 14px;
}

.cmp-table thead th {
  background: var(--paper-2);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--muted);
  text-align: center;
  padding: 16px 14px;
  letter-spacing: 0.5px;
}

.cmp-table thead th:first-child {
  text-align: left;
  border-top-left-radius: 10px;
  border-bottom-left-radius: 10px;
}
.cmp-table thead th:last-child {
  border-top-right-radius: 10px;
  border-bottom-right-radius: 10px;
}

.cmp-hl {
  background: rgba(0, 136, 204, 0.1) !important;
  color: var(--sky-d) !important;
}

.cmp-table tbody td {
  padding: 14px;
  text-align: center;
  border-bottom: 1px dashed var(--line);
  color: var(--ink-2);
}

.cmp-table tbody td:first-child {
  text-align: left;
  font-weight: 700;
  color: var(--ink);
}

.cmp-table tbody tr:last-child td { border-bottom: none; }

.yes { color: var(--mint); font-weight: 800; }
.no { color: var(--rose); font-weight: 800; }
.part { color: var(--amber-d); font-weight: 800; }

/* =================== FAQ =================== */
.faq-list {
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.faq-item.open {
  border-color: var(--sky);
  box-shadow: 0 8px 24px rgba(0, 136, 204, 0.1);
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  text-align: left;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  background: transparent;
}

.faq-chevron {
  width: 20px;
  height: 20px;
  color: var(--muted);
  flex-shrink: 0;
  transition: transform 0.3s;
}
.faq-item.open .faq-chevron { transform: rotate(180deg); color: var(--sky); }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-item.open .faq-a { max-height: 480px; }

.faq-a-inner {
  padding: 0 22px 20px;
  color: var(--ink-3);
  font-size: 14px;
  line-height: 1.8;
  border-top: 1px dashed var(--line);
  margin-top: 0;
  padding-top: 16px;
}

/* =================== CTA Banner =================== */
.cta-banner {
  background: linear-gradient(135deg, var(--sky) 0%, #006fa3 70%, var(--sunset) 200%);
  color: #fff;
  border-radius: 24px;
  padding: 56px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
}

.cta-banner::after {
  content: "";
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 280px;
  height: 280px;
  background: rgba(255, 107, 53, 0.15);
  border-radius: 50%;
}

.cta-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 18px;
  position: relative;
  z-index: 1;
}

.cta-h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}

.cta-p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 28px;
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 1;
}

.cta-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  position: relative;
  z-index: 1;
}

@media (max-width: 720px) {
  .cta-banner { padding: 40px 24px; }
  .cta-h2 { font-size: 26px; }
}

/* =================== Download Page =================== */
.dl-hero {
  padding: 80px 0 60px;
  text-align: center;
  background: linear-gradient(180deg, var(--paper-2) 0%, var(--paper) 100%);
  border-bottom: 1px dashed var(--line);
}

.dl-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: var(--white);
  border: 1px dashed var(--line);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-3);
  margin-bottom: 20px;
}

.dl-hero-tag-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sunset);
}

.dl-hero-title {
  font-size: 46px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
  line-height: 1.15;
}

.dl-hero-sub {
  font-size: 17px;
  color: var(--ink-3);
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.7;
}

.dl-main {
  padding: 60px 0;
}

.dl-main-card {
  max-width: 820px;
  margin: 0 auto;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 22px 60px rgba(15, 23, 42, 0.08);
}

.dl-main-top {
  height: 6px;
  background: linear-gradient(90deg, var(--sky), var(--sunset));
}

.dl-main-head {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 30px;
  border-bottom: 1px dashed var(--line);
}

.dl-main-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--sky), #4cb3ea);
  display: grid;
  place-items: center;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 12px 24px rgba(0, 136, 204, 0.3);
}
.dl-main-icon svg { width: 30px; height: 30px; }

.dl-main-info { flex: 1; }
.dl-main-name { font-size: 22px; font-weight: 800; color: var(--ink); }
.dl-main-meta {
  font-size: 13px;
  color: var(--muted);
  margin-top: 4px;
  font-family: "SFMono-Regular", Menlo, Consolas, monospace;
}

.dl-main-body { padding: 26px 30px 30px; }

.dl-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 22px;
}

.dl-spec {
  background: var(--paper-2);
  border: 1px dashed var(--line);
  border-radius: 12px;
  padding: 14px 16px;
}

.dl-spec-label {
  font-size: 11px;
  color: var(--muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.dl-spec-val {
  font-size: 14px;
  font-weight: 800;
  color: var(--ink);
}

.dl-sec-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--mint-soft);
  border: 1px solid rgba(20, 184, 166, 0.3);
  border-radius: 12px;
  margin-bottom: 22px;
}

.dl-sec-badge svg {
  width: 20px;
  height: 20px;
  color: var(--mint-d);
  flex-shrink: 0;
}

.dl-sec-badge-text {
  font-size: 13px;
  color: var(--mint-d);
  font-weight: 700;
}

.dl-main-btns {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.dl-main-btns .btn { flex: 1; min-width: 200px; }

@media (max-width: 720px) {
  .dl-hero-title { font-size: 32px; }
  .dl-specs { grid-template-columns: 1fr; }
  .dl-main-head { flex-direction: column; text-align: center; }
}

/* Other Platforms */
.op-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.op-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.op-card:hover {
  transform: translateY(-4px);
  border-color: var(--sky);
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.08);
}

.op-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.op-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.opi-mac { background: var(--paper-2); color: var(--ink); }
.opi-ios { background: var(--mint-soft); color: var(--mint-d); }
.opi-and { background: #ecfdf5; color: #16a34a; }

.op-icon svg { width: 22px; height: 22px; }

.op-name { font-size: 17px; font-weight: 800; color: var(--ink); }
.op-ver {
  font-size: 12px;
  color: var(--muted);
  font-family: "SFMono-Regular", Menlo, Consolas, monospace;
}

.op-req {
  font-size: 13px;
  color: var(--ink-3);
  margin-bottom: 14px;
  line-height: 1.6;
}

.op-steps {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.op-step {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.55;
}

.op-step-n {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--sky-soft);
  color: var(--sky-d);
  font-size: 11px;
  font-weight: 800;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.op-btn { width: 100%; padding: 10px 14px; font-size: 13px; }

@media (max-width: 880px) {
  .op-grid { grid-template-columns: 1fr; }
}

/* Install Guide */
.guide-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.guide-col-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 22px;
}

.gct-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.gct-sky { background: var(--sky); }
.gct-sunset { background: var(--sunset); }

.guide-steps { display: flex; flex-direction: column; gap: 14px; }

.gstep {
  display: flex;
  gap: 16px;
  padding: 18px 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.04);
  transition: transform 0.25s, box-shadow 0.25s;
}

.gstep:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
}

.gstep-num {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 15px;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}

.gsn-sky { background: linear-gradient(135deg, var(--sky), #4cb3ea); }
.gsn-sunset { background: linear-gradient(135deg, var(--sunset), #ffb18b); }

.gstep-body { flex: 1; }
.gstep-title { font-size: 15px; font-weight: 800; margin-bottom: 4px; color: var(--ink); }
.gstep-desc { font-size: 13px; color: var(--ink-3); line-height: 1.6; }

@media (max-width: 880px) {
  .guide-grid { grid-template-columns: 1fr; }
}

/* Requirements */
.req-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.req-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px 18px;
  text-align: center;
  transition: transform 0.25s, border-color 0.25s;
}

.req-card:hover {
  transform: translateY(-4px);
  border-color: var(--mint);
}

.req-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  margin: 0 auto 14px;
  display: grid;
  place-items: center;
  background: var(--mint-soft);
  color: var(--mint-d);
}
.req-icon svg { width: 24px; height: 24px; }

.req-title {
  font-size: 14px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 8px;
}

.req-val {
  font-size: 12px;
  color: var(--ink-3);
  line-height: 1.6;
}

@media (max-width: 880px) {
  .req-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Version Logs */
.ver-list {
  max-width: 820px;
  margin: 0 auto;
}

.ver-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  padding-bottom: 28px;
}

.ver-dot-col {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.ver-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 4px solid var(--white);
  box-shadow: 0 0 0 2px currentColor;
  flex-shrink: 0;
}

.vd-sky { color: var(--sky); }
.vd-sunset { color: var(--sunset); }
.vd-mint { color: var(--mint); }
.vd-amber { color: var(--amber); }
.vd-violet { color: var(--violet); }

.ver-line {
  flex: 1;
  width: 2px;
  background: var(--line);
  margin-top: 6px;
  background-image: linear-gradient(to bottom, var(--line) 50%, transparent 50%);
  background-size: 2px 8px;
}

.ver-item:last-child .ver-line { display: none; }

.ver-body {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 22px;
}

.ver-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.ver-num {
  font-size: 17px;
  font-weight: 800;
  color: var(--ink);
}

.ver-tag {
  font-size: 10px;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 999px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.vt-stable { background: var(--mint-soft); color: var(--mint-d); }
.vt-lts { background: var(--sky-soft); color: var(--sky-d); }
.vt-beta { background: var(--sunset-soft); color: var(--sunset-d); }

.ver-date { font-size: 13px; color: var(--muted); }
.ver-desc { font-size: 14px; color: var(--ink-3); line-height: 1.7; }

/* Security Banner */
.sec-banner {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 26px 28px;
  background: linear-gradient(135deg, var(--mint-soft) 0%, var(--paper-2) 100%);
  border: 1px solid rgba(20, 184, 166, 0.25);
  border-radius: 18px;
}

.sec-banner-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--mint);
  color: #fff;
  flex-shrink: 0;
}
.sec-banner-icon svg { width: 24px; height: 24px; }

.sec-banner-title {
  font-size: 17px;
  font-weight: 800;
  color: var(--mint-d);
  margin-bottom: 4px;
}

.sec-banner-desc {
  font-size: 14px;
  color: var(--ink-3);
  line-height: 1.7;
}

/* =================== Article (zh-cn) =================== */
.art-hero {
  padding: 70px 0 50px;
  background: linear-gradient(180deg, var(--paper-2) 0%, var(--paper) 100%);
  border-bottom: 1px dashed var(--line);
}

.art-hero-crumb {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 16px;
}
.art-hero-crumb a { color: var(--sky); }
.art-hero-crumb span { margin: 0 6px; }

.art-hero-title {
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.2;
  margin-bottom: 14px;
}

.art-hero-sub {
  font-size: 16px;
  color: var(--ink-3);
  max-width: 760px;
  line-height: 1.75;
}

.kw-strip {
  padding: 24px 0;
  background: var(--white);
  border-bottom: 1px dashed var(--line);
}

.kw-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.kw-row-label {
  font-size: 13px;
  font-weight: 800;
  color: var(--muted);
  margin-right: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.kw {
  font-size: 12px;
  padding: 5px 12px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-3);
  font-weight: 600;
  transition: all 0.2s;
}
.kw:hover { background: var(--sky-soft); color: var(--sky-d); border-color: var(--sky); }

.art-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 48px;
  align-items: flex-start;
  padding: 56px 0;
}

.art-body { font-size: 16px; line-height: 1.85; color: var(--ink-2); }

.art-body h2 {
  font-size: 26px;
  font-weight: 800;
  margin: 40px 0 16px;
  color: var(--ink);
  letter-spacing: -0.3px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.art-body h2::before {
  content: "";
  width: 4px;
  height: 22px;
  background: linear-gradient(180deg, var(--sky), var(--sunset));
  border-radius: 4px;
  flex-shrink: 0;
}

.art-body h3 {
  font-size: 19px;
  font-weight: 800;
  margin: 28px 0 12px;
  color: var(--ink);
}

.art-body p { margin-bottom: 16px; }

.art-body ul, .art-body ol {
  padding-left: 22px;
  margin-bottom: 18px;
}

.art-body li {
  margin-bottom: 8px;
  line-height: 1.8;
}

.art-body strong { color: var(--ink); font-weight: 800; }

/* Inline CTA */
.inline-cta {
  border-radius: 16px;
  padding: 26px 28px;
  margin: 28px 0;
  border: 1px solid;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.ic-sky { background: var(--sky-soft); border-color: rgba(0, 136, 204, 0.3); }
.ic-sunset { background: var(--sunset-soft); border-color: rgba(255, 107, 53, 0.3); }
.ic-mint { background: var(--mint-soft); border-color: rgba(20, 184, 166, 0.3); }

.inline-cta-body { flex: 1; min-width: 240px; }

.inline-cta-title {
  font-size: 17px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 6px;
}

.inline-cta-desc {
  font-size: 14px;
  color: var(--ink-3);
  line-height: 1.6;
}

.inline-cta a.btn { flex-shrink: 0; }

/* Tip Cards */
.tips-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 24px 0;
}

.tip-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
}

.tip-num {
  font-size: 12px;
  font-weight: 800;
  color: var(--sky);
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}

.tip-title {
  font-size: 15px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 6px;
}

.tip-desc {
  font-size: 13px;
  color: var(--ink-3);
  line-height: 1.65;
}

/* Article Comparison Table */
.art-cmp-wrap {
  margin: 22px 0;
  overflow-x: auto;
}
.art-cmp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  min-width: 560px;
}
.art-cmp-table th, .art-cmp-table td {
  padding: 12px 14px;
  text-align: center;
  border-bottom: 1px dashed var(--line);
}
.art-cmp-table th { background: var(--paper-2); font-weight: 800; color: var(--ink); font-size: 13px; }
.art-cmp-table td:first-child, .art-cmp-table th:first-child { text-align: left; }
.art-cmp-table tbody tr:last-child td { border-bottom: none; }
.art-cmp-hl { color: var(--sky); font-weight: 800; }

/* Sidebar */
.sidebar {
  position: sticky;
  top: 96px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sbox {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px;
}

.sbox-title {
  font-size: 14px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sbox-title svg { width: 16px; height: 16px; color: var(--sky); }

.sdl-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-bottom: 8px;
  font-family: inherit;
  width: 100%;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s;
  color: inherit;
}

.sdl-btn:hover {
  background: var(--sky-soft);
  border-color: var(--sky);
}

.sdl-btn:last-child { margin-bottom: 0; }

.sdl-btn.primary {
  background: linear-gradient(135deg, var(--sky), #4cb3ea);
  color: #fff;
  border-color: var(--sky-d);
}
.sdl-btn.primary:hover { background: linear-gradient(135deg, var(--sky-d), var(--sky)); }

.sdl-btn-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--white);
  display: grid;
  place-items: center;
  color: var(--sky);
  flex-shrink: 0;
}
.sdl-btn.primary .sdl-btn-icon { background: rgba(255, 255, 255, 0.18); color: #fff; }
.sdl-btn-icon svg { width: 16px; height: 16px; }

.sdl-btn-info { flex: 1; min-width: 0; }
.sdl-btn-name { font-size: 13px; font-weight: 800; }
.sdl-btn-ver { font-size: 11px; color: var(--muted); margin-top: 2px; }
.sdl-btn.primary .sdl-btn-ver { color: rgba(255, 255, 255, 0.78); }

.stoc { display: flex; flex-direction: column; gap: 4px; }
.stoc a {
  font-size: 13px;
  color: var(--ink-2);
  padding: 6px 10px;
  border-radius: 8px;
  border-left: 2px solid var(--line);
  transition: all 0.2s;
}
.stoc a:hover {
  color: var(--sky);
  background: var(--sky-soft);
  border-left-color: var(--sky);
}

.sstat {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.sstat-item {
  background: var(--paper-2);
  border-radius: 10px;
  padding: 12px;
  text-align: center;
  border: 1px dashed var(--line);
}

.sstat-num { font-size: 20px; font-weight: 800; color: var(--sky); }
.sstat-lbl { font-size: 11px; color: var(--muted); margin-top: 2px; }

.side-security {
  background: linear-gradient(135deg, var(--mint-soft), var(--paper-2));
  border: 1px solid rgba(20, 184, 166, 0.25);
  border-radius: 14px;
  padding: 16px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-3);
}
.side-security strong { color: var(--mint-d); }

@media (max-width: 980px) {
  .art-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
}

/* =================== Footer =================== */
.ps-footer {
  padding: 56px 0 32px;
  background: var(--ink);
  color: rgba(255, 255, 255, 0.78);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand-mark {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--sky), #4cb3ea);
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: #fff;
  transform: rotate(-4deg);
}
.footer-brand-mark svg { width: 20px; height: 20px; }
.footer-brand-name {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.5px;
}

.footer-security {
  font-size: 14px;
  color: var(--mint);
  font-weight: 700;
  padding: 12px 22px;
  background: rgba(20, 184, 166, 0.12);
  border: 1px solid rgba(20, 184, 166, 0.3);
  border-radius: 999px;
}

.footer-note {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  max-width: 760px;
  line-height: 1.7;
}

/* =================== News Center =================== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

@media (max-width: 960px) {
  .news-grid { grid-template-columns: 1fr; }
}

.news-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 48px rgba(15, 23, 42, 0.12);
  border-color: var(--sky);
}

.news-cover {
  position: relative;
  height: 180px;
  display: grid;
  place-items: center;
  color: #fff;
  overflow: hidden;
}

.news-cover.nc-sky { background: linear-gradient(135deg, #0088cc 0%, #4cb3ea 100%); }
.news-cover.nc-sunset { background: linear-gradient(135deg, #ff6b35 0%, #ffa15e 100%); }
.news-cover.nc-mint { background: linear-gradient(135deg, #14b8a6 0%, #5eead4 100%); }

.news-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,0.16) 0, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(255,255,255,0.12) 0, transparent 40%);
  pointer-events: none;
}

.news-cover svg {
  width: 56px;
  height: 56px;
  opacity: 0.92;
  position: relative;
  z-index: 1;
}

.news-cover-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #fff;
  border-radius: 999px;
  letter-spacing: 0.4px;
  z-index: 2;
}

.news-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 22px 24px 24px;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 10px;
  letter-spacing: 0.3px;
}
.news-meta-dot {
  display: inline-block;
  width: 4px;
  height: 4px;
  border-radius: 999px;
  background: var(--line);
}

.news-card-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 10px;
  letter-spacing: -0.2px;
  transition: color 0.2s;
}

.news-card:hover .news-card-title { color: var(--sky); }

.news-excerpt {
  font-size: 14px;
  color: var(--ink-3);
  line-height: 1.72;
  margin-bottom: 18px;
  flex: 1;
}

.news-read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--sky);
  align-self: flex-start;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, gap 0.2s;
}
.news-read-more svg { width: 14px; height: 14px; }
.news-card:hover .news-read-more { border-color: var(--sky); gap: 10px; }

/* News article page hero */
.news-art-hero {
  padding: 70px 0 40px;
  background: linear-gradient(180deg, var(--paper-2) 0%, var(--paper) 100%);
  border-bottom: 1px dashed var(--line);
}

.news-art-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 800;
  padding: 5px 14px;
  background: var(--sky-soft);
  color: var(--sky-d);
  border: 1px solid rgba(0, 136, 204, 0.25);
  border-radius: 999px;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.news-art-tag.sunset { background: var(--sunset-soft); color: var(--sunset-d); border-color: rgba(255, 107, 53, 0.25); }
.news-art-tag.mint { background: var(--mint-soft); color: var(--mint-d); border-color: rgba(20, 184, 166, 0.25); }

.news-art-title {
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.22;
  color: var(--ink);
  margin-bottom: 18px;
  max-width: 880px;
}

.news-art-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  font-size: 14px;
  color: var(--muted);
}
.news-art-meta-item { display: inline-flex; align-items: center; gap: 6px; }
.news-art-meta-item svg { width: 16px; height: 16px; }
.news-art-meta-sep {
  width: 4px;
  height: 4px;
  border-radius: 999px;
  background: var(--line);
}

.news-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--sky);
  font-weight: 700;
  margin-bottom: 20px;
}
.news-back svg { width: 14px; height: 14px; }
.news-back:hover { color: var(--sky-d); }

/* Related articles (at bottom of news article) */
.news-related {
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px dashed var(--line);
}
.news-related-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.news-related-title::before {
  content: "";
  width: 4px;
  height: 20px;
  background: linear-gradient(180deg, var(--sky), var(--sunset));
  border-radius: 4px;
}

.news-related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
@media (max-width: 720px) {
  .news-related-grid { grid-template-columns: 1fr; }
}

.news-related-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 14px;
  transition: background 0.2s, transform 0.2s, border-color 0.2s;
}
.news-related-link:hover {
  background: var(--white);
  transform: translateY(-2px);
  border-color: var(--sky);
}
.news-related-link-meta {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.3px;
}
.news-related-link-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.5;
}
.news-related-link:hover .news-related-link-title { color: var(--sky); }

/* Homepage CTA back to home from articles */
.news-home-cta {
  margin-top: 36px;
  padding: 28px 32px;
  background: linear-gradient(135deg, var(--sky-soft) 0%, var(--paper-2) 100%);
  border: 1px solid rgba(0, 136, 204, 0.22);
  border-radius: 18px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.news-home-cta-text {
  flex: 1;
  min-width: 220px;
}
.news-home-cta-title {
  font-size: 17px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 4px;
}
.news-home-cta-desc {
  font-size: 14px;
  color: var(--ink-3);
}