/*
 * theme.css — Extracted inline styles from telegram theme PHP files
 * Sources: layout.php | nav.php | article.php | list.php | faq.php | index.php
 * Generated: 2026-06-30
 */

/* ================================================================
   === layout ===
   ================================================================ */

/* ============================================================
   GLOBAL CSS VARIABLES
   ============================================================ */
:root {
  --ot-wrap: 1200px;
  --ot-bg: #F5F5F7;
  --ot-bg-white: #ffffff;
  --ot-text: #1D1D1F;
  --ot-text-sec: #6e7582;
  --ot-text-dim: #86868B;
  --ot-accent: #007AFF;
  --ot-accent-hover: #0071E3;
  --ot-border: rgba(0,0,0,0.07);
  --ot-border-light: rgba(0,0,0,0.04);
  --ot-radius: 16px;
  --ot-radius-sm: 10px;
  --ot-shadow: 0 2px 16px rgba(0,0,0,0.06), 0 1px 4px rgba(0,0,0,0.04);
  --ot-shadow-hover: 0 8px 40px rgba(0,0,0,0.12), 0 2px 8px rgba(0,0,0,0.06);
  --ot-ease: cubic-bezier(0.16,1,0.3,1);
  --ot-ease-std: cubic-bezier(0.25,0.46,0.45,0.94);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  background: #F5F5F7;
  color: #1D1D1F;
  line-height: 1.6;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { display: block; max-width: 100%; }
.screen-reader-text {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ============================================================
   TOP ANNOUNCEMENT PILL
   ============================================================ */
.ot-top-pill {
  display: flex;
  justify-content: center;
  padding: 0;
  margin-bottom: 8px;
  position: relative;
  z-index: 200;
  transition: opacity 0.3s ease, height 0.3s ease, margin 0.3s ease, transform 0.3s ease;
  overflow: hidden;
}
.ot-pill-content {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #000;
  border-radius: 100px;
  padding: 7px 18px;
  font-size: 13px;
  color: #fff;
  transition: opacity 0.2s;
}
.ot-pill-content:hover { opacity: 0.85; }
.ot-live-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--ot-accent);
  flex-shrink: 0;
  animation: breathe 2s ease-in-out infinite;
}
@keyframes breathe {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0,122,255,0.5); }
  50% { opacity: 0.7; box-shadow: 0 0 0 4px rgba(0,122,255,0); }
}
.ot-pill-text { font-weight: 500; }

/* ============================================================
   HEADER / ISLAND NAV
   ============================================================ */
.ot-header-island-wrapper {
  position: sticky;
  top: 0;
  z-index: 1000000;
  padding: 8px 0 16px;
  transition: padding 0.3s ease;
}

.ot-island-main {
  max-width: 95%;
  margin: 0 auto;
  background: rgba(255,255,255,0.82);
  backdrop-filter: blur(45px) saturate(180%);
  -webkit-backdrop-filter: blur(45px) saturate(180%);
  border-radius: 30px;
  border: 1px solid rgba(255,255,255,0.6);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08), 0 1px 0 rgba(255,255,255,0.8) inset;
  transition: max-width 0.4s ease, border-radius 0.4s ease, box-shadow 0.3s ease;
}
@media (min-width: 1280px) {
  .ot-island-main { max-width: 1240px; }
}

/* Scroll shrink */
.ot-header-island-wrapper.is-scrolled { padding: 12px 0; }
.ot-header-island-wrapper.is-scrolled .ot-top-pill {
  opacity: 0;
  height: 0;
  margin-bottom: 0;
  transform: translateY(-20px);
}
.ot-header-island-wrapper.is-scrolled .ot-island-main {
  max-width: 92%;
  border-radius: 40px;
  box-shadow: 0 4px 30px rgba(0,0,0,0.12), 0 1px 0 rgba(255,255,255,0.8) inset;
}
@media (min-width: 1280px) {
  .ot-header-island-wrapper.is-scrolled .ot-island-main { max-width: 1040px; }
}

.ot-island-container {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 72px;
  padding: 0 16px;
}
@media (min-width: 1024px) {
  .ot-island-container { height: 82px; padding: 0 32px; }
}

/* Brand */
.ot-brand-hub {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
}
.ot-app-icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  overflow: hidden;
  flex-shrink: 0;
  background: #007AFF;
}
.ot-app-icon img { width: 100%; height: 100%; object-fit: cover; }
@media (min-width: 1024px) { .ot-app-icon { width: 44px; height: 44px; border-radius: 11px; } }
.ot-brand-meta {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.ot-brand-name {
  font-size: 15px;
  font-weight: 700;
  color: #1D1D1F;
  letter-spacing: -0.2px;
}
.ot-brand-slogan {
  font-size: 11px;
  color: #86868B;
  font-weight: 400;
  display: none;
}
@media (min-width: 960px) {
  .ot-brand-slogan { display: block; }
}

/* Desktop Nav */
.ot-nav-horizon {
  flex: 1;
  display: flex;
  justify-content: center;
}
.ot-nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}
.ot-nav-item { position: relative; }
.ot-nav-item > a {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  font-size: 14px;
  font-weight: 500;
  color: #1D1D1F;
  border-radius: 10px;
  transition: background 0.15s, color 0.15s;
}
.ot-nav-item > a:hover { background: rgba(0,0,0,0.05); color: #007AFF; }
.ot-nav-item.active > a { color: #007AFF; }

/* Badge */
.ot-badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  background: #007AFF;
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  border-radius: 100px;
  margin-left: 4px;
}

/* Dropdown chevron arrow */
.ot-nav-item.has-dropdown > a {
  display: flex;
  align-items: center;
  gap: 6px;
}
.ot-nav-item.has-dropdown > a::after {
  content: "";
  display: inline-block;
  width: 5px; height: 5px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  opacity: 0.5;
  transition: transform 0.3s, opacity 0.3s;
  flex-shrink: 0;
  margin-top: -2px;
}
.ot-nav-item.has-dropdown:hover > a::after {
  transform: rotate(225deg) translate(-2px, -2px);
  opacity: 1;
}

/* Dropdown */
.ot-nav-item.has-dropdown:hover .ot-dropdown-menu { display: block; }
.ot-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border-radius: 14px;
  border: 1px solid rgba(0,0,0,0.08);
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
  min-width: 180px;
  padding: 8px;
  z-index: 100;
}
.ot-dropdown-menu li a {
  display: block;
  padding: 8px 12px;
  font-size: 14px;
  color: #1D1D1F;
  border-radius: 8px;
  transition: background 0.12s;
}
.ot-dropdown-menu li a:hover { background: rgba(0,122,255,0.08); color: #007AFF; }

/* Action area */
.ot-action-area {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.ot-btn-join {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  background: #1D1D1F;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border-radius: 100px;
  transition: background 0.15s, transform 0.1s, opacity 0.15s;
  white-space: nowrap;
  letter-spacing: -0.01em;
}
.ot-btn-join:hover { background: var(--ot-accent); transform: translateY(-1px); }
.ot-btn-join.style-blue { background: #007AFF; }
.ot-btn-join.style-blue:hover { background: #0071E3; }

/* Hamburger */
.ot-mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px; height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: 8px;
  padding: 0;
  transition: background 0.15s;
}
.ot-mobile-toggle:hover { background: rgba(0,0,0,0.06); }
.ot-burger {
  display: block;
  width: 20px; height: 2px;
  background: #1D1D1F;
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
  transform-origin: center;
}
.ot-mobile-toggle.is-open .bar-top  { transform: translateY(3.5px) rotate(45deg); }
.ot-mobile-toggle.is-open .bar-bottom { transform: translateY(-3.5px) rotate(-45deg); }

/* ============================================================
   MOBILE FULLSCREEN OVERLAY MENU
   ============================================================ */
.ot-menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 900;
  background: rgba(245,245,247,0.97);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.ot-menu-overlay.is-open {
  opacity: 1;
  visibility: visible;
}
.ot-drawer-content {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding-top: 80px;
}
.ot-explicit-close {
  position: absolute;
  top: 20px; right: 20px;
  width: 36px; height: 36px;
  background: rgba(0,0,0,0.06);
  border: none;
  border-radius: 50%;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  color: #1D1D1F;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s;
}
.ot-explicit-close:hover { background: rgba(0,0,0,0.12); }
.ot-drawer-scroll-area {
  flex: 1;
  overflow-y: auto;
  padding: 0 24px;
}
.ot-drawer-inner { padding-bottom: 40px; display: flex; flex-direction: column; gap: 32px; }
.section-label {
  font-size: 11px; font-weight: 800; color: #86868B;
  text-transform: uppercase; letter-spacing: 0.15em;
  margin-bottom: 12px; display: block;
}
.ot-drawer-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.ot-unified-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 18px 20px;
  font-size: 17px;
  font-weight: 800;
  color: #1D1D1F;
  border-radius: 16px;
  background: rgba(0,0,0,0.035);
  transition: background 0.12s;
  letter-spacing: -0.02em;
}
.ot-unified-link:hover { background: rgba(0,122,255,0.08); color: #007AFF; }
.ot-unified-link.small {
  font-size: 16.5px;
  font-weight: 700;
  padding: 16.5px 20px;
}
.link-label { font-size: inherit; font-weight: inherit; color: inherit; }
.chevron { opacity: 0.2; color: #000; flex-shrink: 0; }
.ot-drawer-footer {
  padding: 16px 24px 40px;
  border-top: 1px solid rgba(0,0,0,0.08);
}
.ot-btn-pill-full {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 14px;
  background: #007AFF;
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  border-radius: 14px;
  transition: background 0.15s;
}
.ot-btn-pill-full:hover { background: #0071E3; }

/* ============================================================
   FOOTER
   ============================================================ */
:root {
  --ft-bg: #F5F5F7;
  --ft-border: rgba(0,0,0,0.07);
  --ft-text-main: #1D1D1F;
  --ft-text-muted: #6e7582;
  --ft-text-dim: #86868B;
  --ft-accent: #007AFF;
  --ft-ease: cubic-bezier(0.16,1,0.3,1);
}
.ot-footer {
  position: relative;
  background-color: var(--ft-bg);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", sans-serif;
  padding: 100px 24px 60px;
  border-top: 1px solid var(--ft-border);
  overflow: hidden;
}
.ot-footer::before {
  content: '';
  position: absolute;
  bottom: -30%; left: -10%; right: -10%; height: 100%;
  background: radial-gradient(ellipse at 50% 100%, rgba(0,122,255,0.035), transparent 60%);
  pointer-events: none; z-index: 0;
}
.ot-footer-container {
  position: relative; z-index: 1;
  max-width: 1240px; margin: 0 auto;
  display: flex; flex-direction: column;
}
.footer-top-grid {
  display: grid;
  grid-template-columns: 2.2fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 72px;
}
.footer-brand-col { display: flex; flex-direction: column; align-items: flex-start; }
.footer-brand-text {
  display: flex; flex-direction: column;
  text-decoration: none; margin-bottom: 20px;
  transition: opacity 0.3s ease;
}
.footer-brand-text:hover { opacity: 0.8; }
.brand-cn {
  font-size: 22px; font-weight: 850; letter-spacing: -0.02em; line-height: 1.2;
  background: linear-gradient(135deg,#1D1D1F,#434343);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.brand-en {
  font-size: 12px; font-weight: 800; color: var(--ft-accent);
  letter-spacing: 0.08em; margin-top: 4px; text-transform: uppercase;
}
.footer-desc {
  font-size: 14px; line-height: 1.8; color: var(--ft-text-muted);
  margin: 0 0 28px 0; font-weight: 500; max-width: 92%;
}
.footer-sub-widget {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 10px 18px; border-radius: 18px;
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(0,0,0,0.05);
  box-shadow: 0 4px 12px rgba(0,0,0,0.02), inset 0 0 0 1px rgba(255,255,255,0.5);
  text-decoration: none; transition: all 0.4s var(--ft-ease);
}
.footer-sub-widget:hover {
  background: #fff; border-color: rgba(0,122,255,0.3);
  box-shadow: 0 12px 24px -8px rgba(0,122,255,0.15), inset 0 0 0 1px rgba(255,255,255,0.8);
  transform: translateY(-2px);
}
.sub-icon {
  flex-shrink: 0; width: 36px; height: 36px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg,#0088CC,#007AFF);
  box-shadow: 0 4px 10px rgba(0,122,255,0.3);
  transition: all 0.4s var(--ft-ease);
}
.sub-icon svg { width: 20px; height: 20px; color: #fff; }
.sub-text { display: flex; flex-direction: column; gap: 2px; }
.sub-title { font-size: 13.5px; font-weight: 700; color: var(--ft-text-main); }
.sub-desc { font-size: 11.5px; font-weight: 500; color: var(--ft-text-muted); }
.footer-nav-col { display: flex; flex-direction: column; }
.footer-nav-title {
  font-size: 11px; font-weight: 800; color: var(--ft-text-dim);
  text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 20px;
}
.footer-nav-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 14px; }
.footer-nav-list a {
  font-size: 14px; color: var(--ft-text-muted); font-weight: 500;
  transition: color 0.25s, transform 0.25s var(--ft-ease);
  display: inline-block;
}
.footer-nav-list a:hover { color: var(--ft-text-main); transform: translateX(4px); }
.footer-bottom-area {
  padding-top: 32px;
  border-top: 1px solid var(--ft-border);
  display: flex; flex-direction: column; gap: 20px;
}
.footer-legal-bar {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 16px;
}
.footer-copyright { font-size: 13px; color: var(--ft-text-dim); font-weight: 500; }
.footer-legal-links {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-wrap: wrap; gap: 20px;
}
.footer-legal-links a {
  color: var(--ft-text-dim); text-decoration: none;
  font-size: 13px; font-weight: 600; transition: color 0.25s;
}
.footer-legal-links a:hover { color: var(--ft-text-main); }
.footer-disclaimer { margin: 0; font-size: 12px; line-height: 1.7; color: rgba(134,134,139,0.65); }

/* ============================================================
   FADE-IN ANIMATION
   ============================================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-in-up { animation: fadeInUp 0.5s ease both; }

/* ============================================================
   RESPONSIVE (layout)
   ============================================================ */
@media (max-width: 1024px) {
  .footer-top-grid { grid-template-columns: repeat(4, 1fr); gap: 32px; margin-bottom: 56px; }
  .footer-brand-col { grid-column: span 5; padding-bottom: 32px; border-bottom: 1px solid var(--ft-border); }
}
@media (max-width: 900px) {
  .ot-nav-horizon { display: none; }
  .ot-mobile-toggle { display: flex; }
  .ot-btn-join { display: none; }
}
@media (max-width: 768px) {
  .ot-footer { padding: 72px 20px 40px; }
  .footer-top-grid { grid-template-columns: 1fr 1fr; gap: 40px 24px; margin-bottom: 40px; }
  .footer-brand-col { grid-column: span 2; border-bottom: none; padding-bottom: 0; }
  .footer-legal-bar { flex-direction: column-reverse; align-items: flex-start; gap: 14px; }
}
@media (max-width: 600px) {
  .ot-header-island-wrapper { padding: 10px 12px; }
  .ot-island-container { padding: 0 14px; }
  .footer-top-grid { grid-template-columns: 1fr 1fr; gap: 32px 20px; }
  .footer-brand-col { grid-column: span 2; }
}

/* ================================================================
   === nav ===
   ================================================================ */
/* ===== Nav Page ===== */
.navpage-root {
  display: flex;
  align-items: flex-start;
  max-width: 1080px;
  margin: 60px auto 80px;
  padding: 0 20px;
  gap: 0;
}

/* ── Left sidebar ── */
.navpage-sidebar {
  width: 120px;
  flex-shrink: 0;
  padding-top: 4px;
  padding-right: 20px;
  position: sticky;
  top: 100px;
}
.navpage-sidebar ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.navpage-sidebar li {
  margin-bottom: 14px;
  font-size: 13px;
  line-height: 1.4;
  font-weight: 200;
  color: #616161;
  cursor: pointer;
  padding-left: 14px;
}
.navpage-sidebar li a {
  color: inherit;
  text-decoration: none;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.navpage-sidebar li.active {
  font-weight: 500;
  color: #009193;
}
.navpage-sidebar li.active::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 2px;
  background: #009193;
  margin-right: 4px;
  margin-left: -14px;
  vertical-align: middle;
}
.navpage-sidebar li:hover { color: #009193; }

/* ── Main content ── */
.navpage-main { flex: 1; min-width: 0; }

.navpage-hero { margin-bottom: 24px; }
.navpage-hero h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--ot-text);
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}
.navpage-hero p {
  font-size: 13px;
  color: var(--ot-text-sec);
  line-height: 1.6;
}

/* Group section */
.navpage-section {
  background: #fff;
  border-radius: 6px;
  margin-bottom: 16px;
  border: 1px solid #ebebeb;
  overflow: hidden;
}
.navpage-section-title {
  font-size: 15px;
  font-weight: 500;
  color: #444;
  border-bottom: 1px solid #f5f6fa;
  padding: 14px 20px 12px;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 6px;
}
.navpage-section-title .ti-icon {
  width: 16px;
  height: 16px;
  opacity: 0.45;
  flex-shrink: 0;
}

/* Item grid: 5 columns, icon left + name right */
.navpage-list {
  padding: 16px 20px 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 0;
  list-style: none;
  margin: 0;
}
.navpage-list > li {
  width: 20%;
  padding: 0 8px 8px 0;
  box-sizing: border-box;
}
.navpage-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px;
  border-radius: 5px;
  border: 1px solid #f5f6fa;
  cursor: pointer;
  text-decoration: none;
  color: #616161;
  height: 50px;
  transition: color 0.15s, background 0.15s;
}
.navpage-item:hover {
  color: #009193;
  background: #f5f6fa;
}
.navpage-item-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  flex-shrink: 0;
  overflow: hidden;
  background: #f0f0f0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.navpage-item-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.navpage-item-name {
  font-size: 13px;
  font-weight: 400;
  line-height: 1.3;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  flex: 1;
  min-width: 0;
}

/* Empty */
.navpage-empty {
  padding: 60px 20px;
  text-align: center;
  color: var(--ot-text-dim);
  font-size: 14px;
}

@media (max-width: 860px) {
  .navpage-root { flex-direction: column; }
  .navpage-sidebar { display: none; }
  .navpage-list > li { width: 25%; }
}
@media (max-width: 600px) {
  .navpage-root { padding: 0 12px; margin-top: 24px; }
  .navpage-list > li { width: 50%; }
  .navpage-item { height: 46px; }
}

/* ================================================================
   === article ===
   ================================================================ */
/* ===== Article page ===== */
.ot-article-page {
  max-width: var(--ot-wrap);
  margin: 0 auto;
  padding: 40px 20px 80px;
}
.ot-article-breadcrumb {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--ot-text-dim);
  margin-bottom: 28px; flex-wrap: wrap;
}
.ot-article-breadcrumb a { color: var(--ot-accent); }
.ot-article-breadcrumb a:hover { text-decoration: underline; }
.ot-article-breadcrumb strong { color: var(--ot-text-dim); font-weight: 400; }
.ot-article-breadcrumb span { color: var(--ot-text-dim); font-size: 11px; }

/* Layout: main + sidebar */
.ot-article-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 40px;
}
.ot-article-main { min-width: 0; }

/* Hero image */
.ot-article-hero {
  border-radius: 20px; overflow: hidden;
  margin-bottom: 32px;
  aspect-ratio: 16/9;
  background: #F0F0F0;
}
.ot-article-hero img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
}

/* Title & Meta */
.ot-article-title {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 800; letter-spacing: -0.025em;
  color: var(--ot-text); line-height: 1.3;
  margin-bottom: 16px;
}
.ot-article-meta {
  display: flex; align-items: center; gap: 16px;
  font-size: 13px; color: var(--ot-text-dim);
  margin-bottom: 28px; flex-wrap: wrap;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--ot-border);
}
.ot-article-meta a { color: var(--ot-accent); }
.ot-article-meta a:hover { text-decoration: underline; }
.ot-article-meta-dot {
  width: 3px; height: 3px; border-radius: 50%;
  background: var(--ot-text-dim); flex-shrink: 0;
}

/* Article content */
.ot-article-content {
  font-size: 16px;
  color: var(--ot-text);
  line-height: 1.8;
}
.ot-article-content h2 {
  font-size: 1.5rem; font-weight: 700;
  letter-spacing: -0.02em; color: var(--ot-text);
  margin: 2em 0 0.75em; line-height: 1.3;
}
.ot-article-content h3 {
  font-size: 1.2rem; font-weight: 700;
  color: var(--ot-text);
  margin: 1.8em 0 0.6em; line-height: 1.35;
}
.ot-article-content h4 {
  font-size: 1.05rem; font-weight: 600;
  margin: 1.5em 0 0.5em;
}
.ot-article-content p { margin-bottom: 1.2em; }
.ot-article-content ul, .ot-article-content ol {
  padding-left: 1.5em; margin-bottom: 1.2em;
}
.ot-article-content li { margin-bottom: 0.5em; }
.ot-article-content blockquote {
  margin: 1.8em 0;
  padding: 18px 24px;
  border-left: 3px solid var(--ot-accent);
  background: rgba(0,122,255,0.04);
  border-radius: 0 12px 12px 0;
  color: var(--ot-text-sec); font-style: italic;
}
.ot-article-content code {
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 0.875em;
  background: rgba(0,0,0,0.05);
  padding: 2px 6px; border-radius: 5px;
}
.ot-article-content pre {
  background: #1d1d1f; color: #f5f5f7;
  border-radius: 12px; padding: 20px 24px;
  overflow-x: auto; margin: 1.5em 0;
  font-size: 14px; line-height: 1.6;
}
.ot-article-content pre code {
  background: none; color: inherit;
  padding: 0; font-size: inherit;
}
.ot-article-content img {
  max-width: 100%; height: auto;
  border-radius: 12px; margin: 1.5em auto;
  display: block;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}
.ot-article-content a {
  color: var(--ot-accent); text-decoration: underline;
  text-underline-offset: 3px;
}
.ot-article-content a:hover { opacity: 0.8; }
.ot-article-content table {
  width: 100%; border-collapse: collapse;
  margin: 1.5em 0; font-size: 14px;
}
.ot-article-content th, .ot-article-content td {
  padding: 10px 14px;
  border: 1px solid var(--ot-border);
  text-align: left;
}
.ot-article-content th {
  background: var(--ot-bg); font-weight: 700;
  color: var(--ot-text);
}
.ot-article-content hr {
  border: none; border-top: 1px solid var(--ot-border);
  margin: 2em 0;
}

/* Tags */
.ot-article-tags {
  display: flex; align-items: center;
  gap: 8px; flex-wrap: wrap;
  margin-top: 32px; padding-top: 24px;
  border-top: 1px solid var(--ot-border);
}
.ot-tag {
  font-size: 12px; font-weight: 600;
  color: var(--ot-text-sec);
  background: rgba(0,0,0,0.04);
  border: 1px solid var(--ot-border);
  border-radius: 7px; padding: 4px 12px;
  transition: all 0.2s;
}
.ot-tag:hover {
  background: var(--ot-accent); color: #fff;
  border-color: var(--ot-accent);
}

/* Post navigation */
.ot-post-nav {
  display: flex; justify-content: space-between; gap: 16px;
  margin-top: 40px; padding-top: 28px;
  border-top: 1px solid var(--ot-border);
}
.ot-post-nav-link {
  display: flex; flex-direction: column; gap: 4px;
  max-width: 48%; text-decoration: none;
  color: var(--ot-text);
}
.ot-post-nav-link.next { align-items: flex-end; text-align: right; }
.ot-post-nav-label {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--ot-text-dim);
}
.ot-post-nav-title {
  font-size: 14px; font-weight: 600; line-height: 1.4;
  color: var(--ot-accent);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.ot-post-nav-link:hover .ot-post-nav-title { text-decoration: underline; }

/* Related posts */
.ot-related {
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--ot-border);
}
.ot-related-title {
  font-size: 18px; font-weight: 700;
  color: var(--ot-text); margin-bottom: 24px;
  letter-spacing: -0.015em;
}
.ot-related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.ot-related-card {
  background: #fff; border-radius: 14px;
  border: 1px solid var(--ot-border); overflow: hidden;
  transition: transform 0.25s var(--ot-ease), box-shadow 0.25s var(--ot-ease);
}
.ot-related-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}
.ot-related-thumb {
  aspect-ratio: 3/2; overflow: hidden;
  background: #F0F0F0;
}
.ot-related-thumb img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.4s var(--ot-ease);
}
.ot-related-card:hover .ot-related-thumb img { transform: scale(1.05); }
.ot-related-body { padding: 14px 16px 16px; }
.ot-related-body h4 {
  font-size: 14px; font-weight: 600;
  color: var(--ot-text); line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
}
.ot-related-body time {
  display: block; font-size: 12px;
  color: var(--ot-text-dim); margin-top: 6px;
}

/* Sidebar */
.ot-article-sidebar { align-self: stretch; }
.ot-sidebar-sticky {
  position: sticky;
  top: 130px;
  display: flex; flex-direction: column; gap: 20px;
}

/* Quick cards (replaces old CTA group) */
.ot-quick-cards { display: flex; flex-direction: column; gap: 10px; }
.ot-quick-card {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 18px; border-radius: 14px;
  text-decoration: none; color: #fff;
  transition: transform 0.2s var(--ot-ease), box-shadow 0.2s;
}
.ot-quick-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0,0,0,0.22);
}
.ot-quick-card-icon {
  width: 42px; height: 42px; border-radius: 10px;
  background: rgba(255,255,255,0.2);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.ot-quick-card-body { min-width: 0; }
.ot-quick-card-title { font-size: 14px; font-weight: 700; line-height: 1.3; }
.ot-quick-card-sub { font-size: 12px; opacity: 0.85; margin-top: 2px; line-height: 1.3; }

/* Popular widget */
.ot-popular-widget {
  background: #fff; border-radius: 16px;
  border: 1px solid var(--ot-border);
  padding: 20px;
}
.ot-popular-title {
  font-size: 14px; font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--ot-text); margin-bottom: 16px;
  display: flex; align-items: center;
}
.ot-popular-list { display: flex; flex-direction: column; gap: 0; }
.ot-popular-item {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 10px 0;
  border-bottom: 1px solid var(--ot-border-light, #f0f0f5);
  text-decoration: none; color: var(--ot-text);
  transition: color 0.2s;
}
.ot-popular-item:last-child { border-bottom: none; padding-bottom: 0; }
.ot-popular-item:hover { color: var(--ot-accent); }
.ot-popular-arrow {
  flex-shrink: 0; color: var(--ot-text-dim);
  transition: color 0.2s, transform 0.2s;
}
.ot-popular-item:hover .ot-popular-arrow {
  color: var(--ot-accent); transform: translateX(2px);
}
.ot-popular-text {
  font-size: 13px; line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
}
.ot-popular-empty {
  font-size: 13px; color: var(--ot-text-dim);
  padding: 8px 0; text-align: center;
}

/* TOC widget */
.ot-toc-widget {
  background: #fff; border-radius: 16px;
  border: 1px solid var(--ot-border);
  padding: 20px; display: none;
}
.ot-toc-title {
  font-size: 14px; font-weight: 800;
  letter-spacing: 0.05em; color: var(--ot-text);
  margin-bottom: 14px;
  display: flex; align-items: center; gap: 6px;
}
.ot-toc-list {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 0;
}
.ot-toc-item {
  border-bottom: 1px solid var(--ot-border-light, #f0f0f5);
}
.ot-toc-item:last-child { border-bottom: none; }
.ot-toc-link {
  display: block; padding: 8px 0;
  font-size: 13px; line-height: 1.4;
  color: var(--ot-text-sec); text-decoration: none;
  transition: color 0.2s, padding-left 0.2s;
  display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
}
.ot-toc-link.h3 { padding-left: 14px; font-size: 12px; }
.ot-toc-link:hover, .ot-toc-link.active {
  color: var(--ot-accent);
}
.ot-toc-link.active { font-weight: 600; }

/* Share bar */
.ot-share-bar {
  display: flex; align-items: center; gap: 12px;
  margin-top: 32px; padding-top: 24px;
  border-top: 1px solid var(--ot-border);
  flex-wrap: wrap;
}
.ot-share-label {
  font-size: 13px; font-weight: 600;
  color: var(--ot-text-dim); white-space: nowrap;
}
.ot-share-btns { display: flex; gap: 8px; flex-wrap: wrap; }
.ot-share-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px; border-radius: 100px;
  font-size: 13px; font-weight: 500;
  text-decoration: none; border: 1.5px solid var(--ot-border);
  background: #fff; color: var(--ot-text);
  cursor: pointer; font-family: inherit;
  transition: all 0.2s;
}
.ot-share-btn:hover {
  background: var(--ot-bg); border-color: var(--ot-accent);
  color: var(--ot-accent);
}
.ot-share-btn.ot-share-tg  { border-color: #2aabee; color: #2aabee; }
.ot-share-btn.ot-share-tg:hover  { background: #2aabee; color: #fff; }
.ot-share-btn.ot-share-x   { border-color: #14171a; color: #14171a; }
.ot-share-btn.ot-share-x:hover   { background: #14171a; color: #fff; }
.ot-share-btn.ot-share-copied { border-color: #22c55e; color: #22c55e; }

/* Responsive (article) */
@media (max-width: 960px) {
  .ot-article-layout {
    grid-template-columns: 1fr;
  }
  .ot-article-sidebar { display: none; }
}
@media (max-width: 600px) {
  .ot-article-page { padding: 24px 16px 60px; }
  .ot-article-title { font-size: 1.5rem; }
  .ot-article-content { font-size: 15px; }
  .ot-article-hero { border-radius: 14px; }
}

/* ================================================================
   === list ===
   ================================================================ */
/* ===== List page ===== */
.ot-list-page {
  max-width: var(--ot-wrap);
  margin: 0 auto;
  padding: 48px 20px 80px;
}
.ot-cat-hero {
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--ot-border);
}
.ot-cat-breadcrumb {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--ot-text-dim);
  margin-bottom: 16px;
}
.ot-cat-breadcrumb a { color: var(--ot-accent); }
.ot-cat-breadcrumb a:hover { text-decoration: underline; }
.ot-cat-breadcrumb span { color: var(--ot-text-dim); font-size: 12px; }
.ot-cat-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800; letter-spacing: -0.03em;
  color: var(--ot-text); line-height: 1.2;
  margin-bottom: 12px;
}
.ot-cat-desc {
  font-size: 16px; color: var(--ot-text-sec);
  line-height: 1.7; max-width: 640px;
}
.ot-cat-count {
  margin-top: 12px; font-size: 13px; color: var(--ot-text-dim);
}

/* ===== Post grid ===== */
.ot-posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

/* ===== Post card ===== */
.ot-post-card {
  background: #fff;
  border-radius: var(--ot-radius);
  border: 1px solid var(--ot-border);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform 0.3s var(--ot-ease), box-shadow 0.3s var(--ot-ease), border-color 0.3s;
}
.ot-post-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--ot-shadow-hover);
  border-color: rgba(0,0,0,0.03);
}
.ot-post-thumb {
  display: block;
  aspect-ratio: 40/21;
  overflow: hidden;
  background: #1e5cb0;
  position: relative;
}
.ot-post-thumb img {
  width: 100%; height: 100%;
  object-fit: contain;
  object-position: center center;
  transition: transform 0.5s var(--ot-ease);
}
.ot-post-card:hover .ot-post-thumb img { transform: scale(1.04); }
.ot-post-body {
  display: flex; flex-direction: column; gap: 10px;
  padding: 20px 20px 22px; flex: 1;
}
.ot-post-cat {
  display: inline-block;
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--ot-accent);
  background: rgba(0,122,255,0.07); border-radius: 6px;
  padding: 3px 8px; width: fit-content;
}
.ot-post-title {
  font-size: 16px; font-weight: 700;
  color: var(--ot-text); line-height: 1.4;
}
.ot-post-title a { color: inherit; }
.ot-post-title a:hover { color: var(--ot-accent); }
.ot-post-excerpt {
  font-size: 14px; color: var(--ot-text-sec);
  line-height: 1.65; flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3; -webkit-box-orient: vertical;
  overflow: hidden;
}
.ot-post-meta {
  font-size: 12px; color: var(--ot-text-dim);
  margin-top: auto; padding-top: 10px;
  border-top: 1px solid var(--ot-border-light);
}

/* ===== No results ===== */
.ot-no-results {
  text-align: center; padding: 80px 20px;
  color: var(--ot-text-sec); font-size: 16px;
}
.ot-no-results a {
  display: inline-flex; align-items: center;
  margin-top: 20px; padding: 12px 24px;
  background: var(--ot-accent); color: #fff;
  border-radius: 99px; font-weight: 600; font-size: 14px;
  transition: background 0.15s;
}
.ot-no-results a:hover { background: var(--ot-accent-hover); }

/* ===== Pagination ===== */
.ot-pagination {
  display: flex; align-items: center;
  justify-content: center; gap: 8px;
  margin-top: 56px; flex-wrap: wrap;
}
.ot-pagination a, .ot-pagination span {
  display: flex; align-items: center; justify-content: center;
  min-width: 40px; height: 40px; padding: 0 12px;
  font-size: 14px; font-weight: 600; border-radius: 10px;
  border: 1px solid var(--ot-border);
  transition: all 0.2s var(--ot-ease-std);
}
.ot-pagination a {
  background: #fff; color: var(--ot-text);
}
.ot-pagination a:hover {
  background: var(--ot-accent); color: #fff; border-color: var(--ot-accent);
}
.ot-pagination span.current {
  background: var(--ot-accent); color: #fff;
  border-color: var(--ot-accent);
}

/* ===== Responsive (list) ===== */
@media (max-width: 1024px) {
  .ot-posts-grid { grid-template-columns: repeat(2, 1fr); gap: 22px; }
}
@media (max-width: 600px) {
  .ot-list-page { padding: 32px 16px 60px; }
  .ot-posts-grid { grid-template-columns: 1fr; gap: 18px; }
  .ot-cat-hero { margin-bottom: 32px; }
}

/* ================================================================
   === faq ===
   ================================================================ */
:root {
  --faq-bg: #F5F5F7;
  --faq-text: #1D1D1F;
  --faq-text-muted: #64748B;
  --faq-accent: #007AFF;
  --faq-ease: cubic-bezier(0.16, 1, 0.3, 1);
}
.faq-page-hero {
  background: linear-gradient(160deg, #1D1D1F 0%, #2d3748 100%);
  padding: 80px 24px 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.faq-page-hero::after {
  content: '';
  position: absolute;
  bottom: -40px;
  left: 0;
  right: 0;
  height: 80px;
  background: var(--faq-bg);
  border-radius: 50% 50% 0 0 / 100% 100% 0 0;
}
.faq-hero-pill {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.6);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  margin-bottom: 20px;
  text-transform: uppercase;
}
.faq-hero-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 850;
  color: #fff;
  letter-spacing: -0.04em;
  line-height: 1.15;
  margin: 0 0 16px;
}
.faq-hero-desc {
  font-size: clamp(15px, 1.8vw, 18px);
  color: rgba(255,255,255,0.6);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.6;
}
.faq-page-body {
  background: var(--faq-bg);
  padding: 64px 24px 100px;
}
.faq-page-inner {
  max-width: 860px;
  margin: 0 auto;
}
.faq-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.faq-tab {
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  border: 1.5px solid rgba(0,0,0,0.1);
  background: rgba(255,255,255,0.6);
  color: var(--faq-text-muted);
  transition: all 0.25s var(--faq-ease);
}
.faq-tab:hover { background: #fff; color: var(--faq-text); border-color: rgba(0,0,0,0.15); }
.faq-tab.active { background: var(--faq-accent); color: #fff; border-color: var(--faq-accent); box-shadow: 0 4px 16px rgba(0,122,255,0.25); }
.faq-group { display: none; }
.faq-group.active { display: block; }
.faq-group-title {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faq-text-muted);
  margin-bottom: 20px;
}
.faq-list { display: flex; flex-direction: column; gap: 16px; }
.faq-item {
  position: relative;
  background: linear-gradient(145deg,rgba(255,255,255,0.7) 0%,rgba(255,255,255,0.25) 100%);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0,0,0,0.02),inset 0 1px 0 rgba(255,255,255,1);
  transition: all 0.5s var(--faq-ease);
}
.faq-item::before {
  content: '';
  position: absolute;
  left: -1px; top: 30%; bottom: 30%;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--faq-accent), transparent);
  opacity: 0;
  transition: all 0.6s var(--faq-ease);
  box-shadow: 2px 0 20px 2px rgba(0,122,255,0.25);
  z-index: 3;
}
.faq-item:hover::before, .faq-item[open]::before { opacity: 1; top: 15%; bottom: 15%; }
.faq-item:hover {
  border-color: rgba(255,255,255,1);
  box-shadow: 0 16px 40px -8px rgba(0,122,255,0.08),inset 0 1px 0 rgba(255,255,255,1);
  transform: translateY(-2px);
  background: linear-gradient(145deg,rgba(255,255,255,0.95) 0%,rgba(255,255,255,0.45) 100%);
}
.faq-item[open] {
  border-color: #fff;
  box-shadow: 0 24px 50px -12px rgba(0,122,255,0.12),inset 0 1px 0 rgba(255,255,255,1);
  transform: translateY(-2px);
  background: linear-gradient(145deg,rgba(255,255,255,0.95) 0%,rgba(255,255,255,0.6) 100%);
}
.faq-summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 28px 24px 32px;
  cursor: pointer;
  user-select: none;
  outline: none;
  position: relative;
  z-index: 2;
}
.faq-summary::-webkit-details-marker { display: none; }
.faq-q-wrap { display: flex; align-items: flex-start; gap: 14px; flex: 1; }
.faq-q-num {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: #64748B;
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  padding: 3px 9px;
  border-radius: 7px;
  margin-top: 2px;
  transition: all 0.4s var(--faq-ease);
}
.faq-item:hover .faq-q-num,
.faq-item[open] .faq-q-num {
  background: linear-gradient(135deg, var(--faq-accent) 0%, #0284C7 100%);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(0,122,255,0.25);
}
.faq-q-text {
  font-size: 16px;
  font-weight: 700;
  color: var(--faq-text);
  line-height: 1.4;
  letter-spacing: -0.01em;
  transition: color 0.4s var(--faq-ease);
}
.faq-item:hover .faq-q-text,
.faq-item[open] .faq-q-text { color: var(--faq-accent); }
.faq-icon {
  width: 30px; height: 30px;
  flex-shrink: 0;
  color: var(--faq-text-muted);
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.5);
  border: 1px solid rgba(0,0,0,0.04);
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0,0,0,0.02);
  transition: all 0.5s var(--faq-ease);
}
.faq-icon svg { width: 14px; height: 14px; }
.faq-icon .icon-minus { display: none; }
.faq-item[open] .faq-icon .icon-plus { display: none; }
.faq-item[open] .faq-icon .icon-minus { display: block; }
.faq-item:hover .faq-icon { color: var(--faq-accent); background: #fff; box-shadow: 0 4px 12px rgba(0,122,255,0.1); }
.faq-item[open] .faq-icon { color: #fff; background: var(--faq-accent); border-color: var(--faq-accent); box-shadow: 0 4px 16px rgba(0,122,255,0.25); }
.faq-answer {
  padding: 0 32px 28px 60px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--faq-text-muted);
  position: relative;
  z-index: 2;
}
.faq-back-home {
  text-align: center;
  margin-top: 64px;
}
.faq-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border: 1.5px solid rgba(0,0,0,0.1);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 700;
  color: var(--faq-text);
  text-decoration: none;
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(10px);
  transition: all 0.3s var(--faq-ease);
}
.faq-back-link:hover { background: #fff; border-color: var(--faq-accent); color: var(--faq-accent); box-shadow: 0 8px 24px rgba(0,122,255,0.12); }
@media (max-width: 640px) {
  .faq-page-hero { padding: 60px 16px 80px; }
  .faq-answer { padding: 0 20px 24px 20px; }
  .faq-summary { padding: 20px 20px 20px 20px; }
}

/* ================================================================
   === index ===
   ================================================================ */
/* ============================================================
   index.php — Global CSS matching onetelegram.com design
   ============================================================ */
:root {
    --cine-bg: #F5F5F7;
    --cine-text: #1D1D1F;
    --cine-text-muted: #86868B;
    --cine-accent: #007AFF;
    --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --tw-shadow-vision-glass: 0 8px 32px -8px rgba(0,0,0,0.12), inset 0 1px 0 rgba(255,255,255,0.8);
    --tw-shadow-vision-hover: 0 20px 60px -12px rgba(0,0,0,0.18), inset 0 1px 0 rgba(255,255,255,1);
    --step-1-color: #007AFF;
    --step-2-color: #FF9F0A;
    --step-3-color: #34C759;
    --step-4-color: #AF52DE;
    --bento-gap: 24px;
    --bot-bg: #F5F5F7;
    --bot-text: #1D1D1F;
    --bot-text-muted: #64748B;
    --bot-glass-bg: linear-gradient(135deg, rgba(255,255,255,0.75) 0%, rgba(255,255,255,0.4) 100%);
    --bot-glass-hover: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.7) 100%);
    --bot-ease: cubic-bezier(0.16, 1, 0.3, 1);
    --eat-bg: #F5F5F7;
    --eat-text: #1D1D1F;
    --eat-text-muted: #86868B;
    --eat-accent: #007AFF;
    --eat-accent-glow: rgba(0, 122, 255, 0.25);
    --eat-glass: linear-gradient(145deg, rgba(255,255,255,0.7) 0%, rgba(255,255,255,0.25) 100%);
    --eat-glass-hover: linear-gradient(145deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.55) 100%);
    --eat-border: rgba(255,255,255,0.6);
    --eat-ease: cubic-bezier(0.16, 1, 0.3, 1);
    --hub-bg: #F5F5F7;
    --hub-text: #1D1D1F;
    --hub-text-sec: #86868B;
    --hub-text-muted: #64748B;
    --hub-text-main: #1D1D1F;
    --hub-accent: #2BA3E6;
    --hub-accent-glow: rgba(43, 163, 230, 0.15);
    --hub-ease: cubic-bezier(0.16, 1, 0.3, 1);
    --faq-bg: #F5F5F7;
    --faq-text: #1D1D1F;
    --faq-text-muted: #64748B;
    --faq-accent: #007AFF;
    --faq-ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ============ HERO ============ */
.ot-hero-liquid { position:relative; width:100%; display:flex; flex-direction:column; align-items:center; gap:72px; padding:120px 24px 80px; background-color:var(--cine-bg); overflow:hidden; -webkit-font-smoothing:antialiased; }
.ot-hero-liquid::after { content:''; position:absolute; bottom:0; left:0; right:0; height:120px; background:linear-gradient(to bottom, transparent, var(--cine-bg)); pointer-events:none; z-index:1; }
.ot-aurora-bg { position:absolute; inset:0; z-index:0; pointer-events:none; overflow:hidden; }
.aurora-blob { position:absolute; border-radius:50%; filter:blur(100px); opacity:0.25; animation:auroraFloat 25s infinite alternate ease-in-out; will-change:transform; }
.blob-blue { width:800px; height:800px; background:rgba(0,122,255,0.12); top:-200px; left:-100px; }
.blob-cyan { width:600px; height:600px; background:rgba(43,163,230,0.08); bottom:-100px; right:-100px; animation-delay:-5s; }
.aurora-noise { position:absolute; inset:0; background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E"); opacity:0.02; mix-blend-mode:multiply; }
@keyframes auroraFloat { 0%{transform:translate(0,0) scale(1);} 100%{transform:translate(10%,10%) scale(1.1);} }
.ot-liquid-content { position:relative; z-index:1; max-width:860px; margin:0 auto; display:flex; flex-direction:column; align-items:center; text-align:center; }
.ot-cine-badge { display:inline-flex; align-items:center; gap:8px; padding:6px 16px; background:rgba(255,255,255,0.6); backdrop-filter:blur(10px); border:1px solid rgba(0,0,0,0.04); border-radius:100px; font-size:13px; font-weight:600; color:var(--cine-text-muted); margin-bottom:32px; }
.pulse-dot { width:6px; height:6px; background:var(--cine-accent); border-radius:50%; box-shadow:0 0 8px var(--cine-accent); }
.ot-cine-h1 { font-size:clamp(36px,5vw,64px); font-weight:850; line-height:1.15; color:var(--cine-text); margin:0 0 24px 0; letter-spacing:-0.04em; font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display",sans-serif; }
.text-hero-gradient { display:inline-block; background:linear-gradient(to right,#1D1D1F 20%,#007AFF 40%,#007AFF 60%,#1D1D1F 80%); background-size:200% auto; background-clip:text; -webkit-background-clip:text; -webkit-text-fill-color:transparent; animation:textShimmer 6s linear infinite; }
@keyframes textShimmer { to{background-position:200% center;} }
.ot-cine-desc { font-size:clamp(15px,1.8vw,18px); line-height:1.6; font-weight:500; color:var(--cine-text-muted); max-width:640px; margin:0 0 32px 0; }
.ot-cine-trust { display:flex; flex-wrap:wrap; justify-content:center; align-items:center; gap:16px; margin-bottom:48px; }
.ot-cine-trust span { display:inline-flex; align-items:center; gap:6px; font-size:14px; font-weight:600; color:var(--cine-text); }
.ot-cine-trust svg { width:16px; height:16px; color:var(--cine-accent); }
.divider { width:1px; height:14px; background:rgba(0,0,0,0.1); }
.ot-cine-actions { display:flex; gap:16px; flex-wrap:wrap; justify-content:center; width:100%; }
.pill-btn { border-radius:9999px; transition:all 0.4s var(--ease-smooth); display:inline-flex; align-items:center; justify-content:center; gap:8px; padding:16px 36px; font-size:15.5px; font-weight:750; text-decoration:none; position:relative; overflow:hidden; }
.pill-btn svg { width:20px; height:20px; }
.btn-primary-blue { background:linear-gradient(135deg,#0088CC 0%,#007AFF 100%); color:#fff !important; box-shadow:0 8px 24px -6px rgba(0,122,255,0.4); }
.btn-primary-blue::after { content:''; position:absolute; top:0; left:-100%; width:50%; height:100%; background:linear-gradient(to right,transparent,rgba(255,255,255,0.3),transparent); transform:skewX(-25deg); animation:btnShimmer 4s infinite; }
@keyframes btnShimmer { 0%{left:-100%;} 20%{left:200%;} 100%{left:200%;} }
.btn-primary-blue:hover { transform:translateY(-3px) scale(1.03); box-shadow:0 16px 32px -8px rgba(0,122,255,0.5); background:linear-gradient(135deg,#0099EE 0%,#0088FF 100%); }
.btn-glass-light { background:rgba(255,255,255,0.7); backdrop-filter:blur(20px); border:1px solid rgba(0,0,0,0.05); color:var(--cine-text) !important; }
.btn-glass-light:hover { background:#fff; transform:translateY(-3px) scale(1.03); box-shadow:0 12px 24px rgba(0,0,0,0.05); }
.ot-liquid-dock { position:relative; z-index:2; display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:24px; width:100%; max-width:1140px; }
.liquid-card { display:flex; flex-direction:column; text-align:left; background:linear-gradient(135deg,rgba(255,255,255,0.75) 0%,rgba(255,255,255,0.3) 100%); backdrop-filter:blur(40px) saturate(200%); -webkit-backdrop-filter:blur(40px) saturate(200%); box-shadow:var(--tw-shadow-vision-glass); border:1px solid rgba(255,255,255,0.8); border-bottom-color:rgba(255,255,255,0.4); border-right-color:rgba(255,255,255,0.4); border-radius:2rem; padding:28px 24px; text-decoration:none; position:relative; overflow:hidden; transition:all 0.6s var(--ease-spring); }
.liquid-card:hover { transform:translateY(-6px) scale(1.01); box-shadow:var(--tw-shadow-vision-hover); background:linear-gradient(135deg,rgba(255,255,255,0.95) 0%,rgba(255,255,255,0.6) 100%); border-color:rgba(255,255,255,1); }
.card-front { position:relative; z-index:2; display:flex; flex-direction:column; gap:16px; width:100%; }
.card-download { --hover-brand-color:#0A84FF; --icon-bg:linear-gradient(135deg,#5AC8FA,#007AFF); --icon-shadow:rgba(0,122,255,0.3); }
.card-lang     { --hover-brand-color:#34C759; --icon-bg:linear-gradient(135deg,#30D158,#28A745); --icon-shadow:rgba(40,167,69,0.3); }
.card-nav      { --hover-brand-color:#AF52DE; --icon-bg:linear-gradient(135deg,#E58BFF,#AF52DE); --icon-shadow:rgba(175,82,222,0.3); }
.card-sec      { --hover-brand-color:#FF9F0A; --icon-bg:linear-gradient(135deg,#FFD60A,#FF9F0A); --icon-shadow:rgba(255,159,10,0.3); }
.dock-icon { width:48px; height:48px; border-radius:14px; background:var(--icon-bg); display:flex; align-items:center; justify-content:center; flex-shrink:0; color:#fff; box-shadow:0 8px 16px var(--icon-shadow),inset 0 1px 1px rgba(255,255,255,0.5); transition:transform 0.6s var(--ease-spring),box-shadow 0.6s ease; }
.liquid-card:hover .dock-icon { transform:scale(1.1) translateY(-2px); box-shadow:0 12px 24px var(--icon-shadow),inset 0 1px 1px rgba(255,255,255,0.8); }
.dock-icon svg { width:24px; height:24px; }
.dock-text h3 { margin:0 0 6px 0; font-size:17px; font-weight:800; color:var(--cine-text); letter-spacing:-0.01em; }
.dock-text p { margin:0; font-size:13.5px; font-weight:500; color:var(--cine-text-muted); line-height:1.4; }
.watermark-reveal { position:absolute; right:-10px; bottom:-10px; width:var(--watermark-size,120px); height:var(--watermark-size,120px); opacity:0.02; transform:scale(0.9); transition:all 0.7s var(--ease-spring); pointer-events:none; z-index:1; color:var(--cine-text); }
.liquid-card:hover .watermark-reveal { opacity:0.08; transform:scale(1.15) rotate(-8deg); color:var(--hover-brand-color); }

/* ============ HOWTO BENTO ============ */
.ot-howto-ultra { padding:100px 24px; background-color:var(--cine-bg); display:flex; flex-direction:column; align-items:center; overflow:hidden; }
.ot-howto-header { text-align:center; max-width:680px; margin-bottom:72px; }
.howto-pill { display:inline-block; padding:6px 16px; background:#E5E7EB; color:#475569; border-radius:100px; font-size:12px; font-weight:800; letter-spacing:0.15em; margin-bottom:24px; }
.howto-title { font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display",sans-serif; font-size:clamp(32px,4vw,44px); font-weight:850; color:#1D1D1F; letter-spacing:-0.03em; margin:0 0 20px 0; }
.howto-desc { font-size:clamp(16px,1.5vw,18px); color:#64748b; line-height:1.6; font-weight:500; margin:0; }
.ot-bento-staggered { display:grid; grid-template-columns:repeat(12,1fr); gap:var(--bento-gap); max-width:1200px; width:100%; }
.ot-bento-item { position:relative; background:linear-gradient(135deg,rgba(255,255,255,0.75) 0%,rgba(255,255,255,0.3) 100%); backdrop-filter:blur(40px) saturate(200%); -webkit-backdrop-filter:blur(40px) saturate(200%); border:1px solid rgba(255,255,255,0.8); border-bottom-color:rgba(255,255,255,0.4); border-right-color:rgba(255,255,255,0.4); border-radius:32px; padding:44px 40px; text-decoration:none; overflow:hidden; display:flex; transition:all 0.6s cubic-bezier(0.175,0.885,0.32,1.275); box-shadow:0 10px 30px -10px rgba(0,0,0,0.06); }
.ot-bento-item:hover { transform:translateY(-8px); background:linear-gradient(135deg,rgba(255,255,255,0.95) 0%,rgba(255,255,255,0.7) 100%); border-color:#fff; box-shadow:0 24px 48px -15px var(--step-glow),inset 0 1px 0 rgba(255,255,255,1); }
.step-1 { --step-color:var(--step-1-color); --step-glow:rgba(0,122,255,0.2); }
.step-2 { --step-color:var(--step-2-color); --step-glow:rgba(255,159,10,0.2); }
.step-3 { --step-color:var(--step-3-color); --step-glow:rgba(52,199,89,0.2); }
.step-4 { --step-color:var(--step-4-color); --step-glow:rgba(175,82,222,0.2); }
.ot-bento-item.wide { grid-column:span 7 !important; flex-direction:column; justify-content:center; }
.ot-bento-item.square { grid-column:span 5 !important; flex-direction:column; justify-content:space-between; }
.item-badge { display:inline-flex; align-items:center; gap:8px; background:#111; color:#fff; padding:6px 14px; border-radius:100px; font-size:12px; font-weight:800; letter-spacing:0.08em; margin-bottom:24px; align-self:flex-start; }
.badge-dot { width:6px; height:6px; border-radius:50%; background:var(--step-color); box-shadow:0 0 8px var(--step-color); }
.item-content { position:relative; z-index:2; max-width:85%; }
.square .item-content { max-width:100%; }
.item-content h3 { font-size:26px; font-weight:850; color:#1D1D1F; margin:0 0 14px 0; letter-spacing:-0.03em; line-height:1.2; }
.item-content p { font-size:15px; color:#64748b; line-height:1.65; font-weight:500; margin:0 0 32px 0; }
.item-action { display:inline-flex; align-items:center; gap:6px; font-size:15.5px; font-weight:800; color:#111; transition:color 0.3s; }
.ot-bento-item:hover .item-action { color:var(--step-color); }
.action-arrow { width:18px; height:18px; transition:transform 0.4s cubic-bezier(0.175,0.885,0.32,1.275); }
.ot-bento-item:hover .action-arrow { transform:translateX(6px); }
.item-header { display:flex; justify-content:space-between; align-items:flex-start; }
.item-icon-box { width:52px; height:52px; border-radius:16px; background:rgba(255,255,255,0.8); box-shadow:0 4px 12px rgba(0,0,0,0.05),inset 0 1px 1px #fff; display:flex; align-items:center; justify-content:center; color:var(--step-color); margin-bottom:24px; transition:all 0.5s; }
.ot-bento-item:hover .item-icon-box { background:var(--step-color); color:#fff; transform:scale(1.1) translateY(-4px); box-shadow:0 10px 24px var(--step-glow),inset 0 1px 1px rgba(255,255,255,0.4); }
.item-icon-box svg { width:24px; height:24px; }
.item-watermark { position:absolute; right:-5%; bottom:-20%; width:260px; height:260px; color:var(--step-color); opacity:0.04; transform:rotate(-15deg) scale(0.9); transition:all 0.8s cubic-bezier(0.175,0.885,0.32,1.275); z-index:1; pointer-events:none; }
.ot-bento-item:hover .item-watermark { opacity:0.12; transform:rotate(0deg) scale(1.05); }

/* ============ CONTENT HUB ============ */
.ot-content-hub { position:relative; padding:100px 24px 120px; background-color:var(--hub-bg); font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display",sans-serif; overflow:hidden; }
.hub-ambient-bg { position:absolute; inset:0; z-index:0; pointer-events:none; overflow:hidden; }
.hub-glow-orb { position:absolute; border-radius:50%; filter:blur(100px); opacity:0.4; will-change:transform; }
.hub-glow-orb.blue { width:600px; height:600px; background:rgba(43,163,230,0.08); top:-10%; left:-5%; animation:float 15s ease-in-out infinite alternate; }
.hub-glow-orb.cyan { width:500px; height:500px; background:rgba(0,122,255,0.06); bottom:-10%; right:-5%; animation:float 18s ease-in-out infinite alternate-reverse; }
@keyframes float { 0%{transform:translate(0,0) scale(1);} 100%{transform:translate(5%,5%) scale(1.1);} }
.ot-section-header { position:relative; z-index:2; text-align:center; max-width:680px; margin:0 auto 60px; }
.ot-pill { display:inline-block; padding:6px 16px; background:#E5E7EB; color:#475569; border-radius:100px; font-size:12px; font-weight:800; letter-spacing:0.15em; margin-bottom:24px; }
.ot-section-title { font-size:clamp(32px,4vw,44px); font-weight:850; color:#1D1D1F; letter-spacing:-0.03em; margin:0 0 20px 0; line-height:1.2; }
.ot-section-desc { font-size:clamp(16px,1.5vw,18px); color:#64748b; line-height:1.6; font-weight:500; margin:0; }
.ot-hub-container { position:relative; z-index:1; max-width:1240px; margin:0 auto; display:grid; grid-template-columns:1fr 1fr; gap:40px; }
.ot-dashboard-panel { position:relative; overflow:hidden; background:linear-gradient(135deg,rgba(255,255,255,0.7) 0%,rgba(255,255,255,0.4) 100%); backdrop-filter:blur(40px) saturate(200%); -webkit-backdrop-filter:blur(40px) saturate(200%); border:1px solid rgba(255,255,255,0.8); border-bottom-color:rgba(255,255,255,0.4); border-right-color:rgba(255,255,255,0.4); border-radius:32px; padding:40px; box-shadow:0 10px 30px -10px rgba(0,0,0,0.05); transition:all 0.6s var(--hub-ease); }
.ot-dashboard-panel:hover { transform:translateY(-6px); background:linear-gradient(135deg,rgba(255,255,255,0.95) 0%,rgba(255,255,255,0.7) 100%); box-shadow:0 20px 50px -15px var(--hub-accent-glow); border-color:#fff; }
.panel-watermark { position:absolute; bottom:-10px; right:-10px; width:220px; height:220px; opacity:0; transform:scale(0.8) rotate(-10deg); transition:all 0.8s cubic-bezier(0.16,1,0.3,1); pointer-events:none; z-index:0; }
.watermark-blue { color:#007AFF; } .watermark-orange { color:#EA580C; }
.ot-dashboard-panel:hover .panel-watermark { opacity:0.05; transform:scale(1) rotate(0deg); }
.panel-header { position:relative; z-index:2; display:flex; justify-content:space-between; align-items:center; margin-bottom:24px; padding-bottom:24px; border-bottom:1px solid rgba(0,0,0,0.06); }
.panel-h3 { display:flex; align-items:center; gap:12px; font-size:22px; font-weight:850; color:var(--hub-text); margin:0; letter-spacing:-0.02em; }
.panel-icon-wrap { width:36px; height:36px; border-radius:10px; display:flex; align-items:center; justify-content:center; box-shadow:inset 0 1px 1px #fff; }
.panel-icon-wrap.blue-theme { background:linear-gradient(135deg,#E0F2FE 0%,#BAE6FD 100%); color:#0284C7; }
.panel-icon-wrap.orange-theme { background:linear-gradient(135deg,#FFF7ED 0%,#FFEDD5 100%); color:#EA580C; }
.panel-icon-wrap svg { width:20px; height:20px; }
.panel-view-all { font-size:14.5px; font-weight:700; color:var(--hub-accent); text-decoration:none; display:flex; align-items:center; gap:4px; transition:0.3s; }
.panel-view-all svg { width:16px; height:16px; transition:transform 0.3s; }
.panel-view-all:hover { color:#1d96d6; }
.panel-view-all:hover svg { transform:translateX(4px); }
.panel-list { position:relative; z-index:2; display:flex; flex-direction:column; }
.article-row { display:flex; align-items:center; gap:20px; padding:22px 0; border-bottom:1px solid rgba(0,0,0,0.04); text-decoration:none; transition:all 0.3s var(--hub-ease); position:relative; }
.article-row:last-child { border-bottom:none; padding-bottom:0; }
.article-row:first-child { padding-top:0; }
.row-content { flex:1; display:flex; flex-direction:column; gap:8px; padding-right:16px; }
.row-title { margin:0; font-size:16px; font-weight:700; color:var(--hub-text); line-height:1.5; letter-spacing:-0.01em; transition:color 0.3s; }
.article-row:hover .row-title { color:var(--hub-accent); }
.row-meta { display:flex; align-items:center; gap:6px; font-size:12px; font-weight:600; color:var(--hub-text-sec); }
.row-meta svg { width:15px; height:15px; }
.row-date { display:flex; flex-direction:column; align-items:center; justify-content:center; width:48px; flex-shrink:0; color:var(--hub-text-sec); transition:0.3s; }
.d-mon { font-size:10px; font-weight:800; text-transform:uppercase; letter-spacing:0.05em; }
.d-day { font-size:20px; font-weight:850; line-height:1; margin-top:2px; color:var(--hub-text); transition:color 0.3s; }
.article-row:hover .row-date,.article-row:hover .d-day { color:var(--hub-accent); }
.row-arrow { width:20px; height:20px; color:var(--hub-accent); flex-shrink:0; opacity:0; transform:translateX(-10px); transition:all 0.4s cubic-bezier(0.34,1.56,0.64,1); }
.article-row:hover .row-arrow { opacity:1; transform:translateX(0); }

/* ============ BOT CAROUSEL ============ */
.ot-bot-express { position:relative; padding:100px 0 120px; background-color:var(--bot-bg); font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display",sans-serif; overflow:hidden; }
.bot-ambient-bg { position:absolute; inset:0; z-index:0; pointer-events:none; overflow:hidden; }
.bot-glow-orb { position:absolute; border-radius:50%; filter:blur(100px); opacity:0.3; will-change:transform; }
.bot-glow-orb.purple { width:500px; height:500px; background:rgba(168,85,247,0.08); top:0; left:10%; animation:botFloat 16s ease-in-out infinite alternate; }
.bot-glow-orb.blue2 { width:600px; height:600px; background:rgba(43,163,230,0.08); bottom:-10%; right:10%; animation:botFloat 20s ease-in-out infinite alternate-reverse; }
@keyframes botFloat { 0%{transform:translate(0,0) scale(1);} 100%{transform:translate(3%,3%) scale(1.05);} }
.ot-carousel-wrapper { position:relative; z-index:2; width:100%; max-width:100vw; margin:0 auto; overflow:clip; overflow-clip-margin:0; }
.scroll-mask { position:absolute; top:0; bottom:0; z-index:10; pointer-events:none; width:max(80px,calc(50vw - 580px)); }
.scroll-mask-left { left:0; background:linear-gradient(to right,var(--bot-bg) 0%,rgba(245,245,247,0) 100%); }
.scroll-mask-right { right:0; background:linear-gradient(to left,var(--bot-bg) 0%,rgba(245,245,247,0) 100%); }
.ot-carousel-track { display:flex; gap:24px; padding:60px calc(50vw - 590px) 70px; overflow-x:auto !important; overflow-y:hidden; scroll-behavior:smooth; scroll-snap-type:x mandatory; -ms-overflow-style:none; scrollbar-width:none; cursor:grab; -webkit-overflow-scrolling:touch; }
.ot-carousel-track::-webkit-scrollbar { display:none; }
.ot-carousel-track.active { cursor:grabbing; scroll-behavior:auto; }
.bot-card-wrapper { flex:0 0 380px; scroll-snap-align:start; transform:scale(var(--scroll-scale,1)); opacity:var(--scroll-opacity,1); will-change:transform,opacity; }
.theme-blue { --bot-theme-color:#0284C7; --bot-theme-bg:#E0F2FE; }
.theme-purple { --bot-theme-color:#9333EA; --bot-theme-bg:#F3E8FF; }
.theme-red { --bot-theme-color:#DC2626; --bot-theme-bg:#FEE2E2; }
.theme-teal { --bot-theme-color:#0D9488; --bot-theme-bg:#CCFBF1; }
.theme-orange { --bot-theme-color:#EA580C; --bot-theme-bg:#FFF7ED; }
.theme-green { --bot-theme-color:#16A34A; --bot-theme-bg:#DCFCE7; }
.bot-card { position:relative; overflow:hidden; z-index:1; display:flex; flex-direction:column; text-decoration:none; height:100%; background:var(--bot-glass-bg); backdrop-filter:blur(24px) saturate(200%); -webkit-backdrop-filter:blur(24px) saturate(200%); border:1px solid rgba(255,255,255,0.8); border-bottom-color:rgba(255,255,255,0.4); border-right-color:rgba(255,255,255,0.4); border-radius:28px; padding:36px 32px; box-shadow:0 10px 30px -10px rgba(0,0,0,0.05),inset 0 1px 0 rgba(255,255,255,1); transition:transform 0.5s var(--bot-ease),box-shadow 0.5s var(--bot-ease),background 0.5s var(--bot-ease); }
.bot-card-wrapper:hover .bot-card { transform:translateY(-8px); background:var(--bot-glass-hover); border-color:#fff; box-shadow:0 24px 50px -15px rgba(0,0,0,0.1),inset 0 1px 0 rgba(255,255,255,1); }
.card-watermark { position:absolute; right:-15%; bottom:-15%; width:220px; height:220px; color:var(--bot-theme-color); opacity:0.02; transform:scale(0.7) rotate(-15deg) translate(20px,20px); transition:all 0.7s var(--bot-ease); pointer-events:none; z-index:0; }
.bot-card-wrapper:hover .card-watermark { opacity:0.08; transform:scale(1.1) rotate(0deg) translate(-10px,-10px); }
.bot-card-top,.bot-card-body,.bot-card-footer { position:relative; z-index:2; }
.bot-card-top { display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:24px; }
.bot-icon-wrap { width:52px; height:52px; border-radius:14px; display:flex; align-items:center; justify-content:center; background:var(--bot-theme-bg); color:var(--bot-theme-color); box-shadow:inset 0 1px 1px rgba(255,255,255,0.8),0 4px 12px rgba(0,0,0,0.05); transition:all 0.4s var(--bot-ease); }
.bot-icon-wrap svg { width:26px; height:26px; }
.bot-card-wrapper:hover .bot-icon-wrap { transform:scale(1.08); box-shadow:0 8px 20px rgba(0,0,0,0.08); }
.bot-badge { padding:4px 12px; border-radius:100px; font-size:11px; font-weight:800; background:rgba(0,0,0,0.04); color:var(--bot-text-muted); text-transform:uppercase; letter-spacing:0.05em; }
.bot-badge.fire { background:#FEF2F2; color:#DC2626; }
.bot-card-body { flex:1; display:flex; flex-direction:column; gap:12px; margin-bottom:32px; }
.bot-title-row { display:flex; align-items:center; gap:10px; flex-wrap:wrap; }
.bot-title-row h3 { margin:0; font-size:20px; font-weight:800; color:var(--bot-text); letter-spacing:-0.01em; transition:color 0.3s; }
.bot-card-wrapper:hover .bot-title-row h3 { color:var(--bot-theme-color); }
.bot-tag { padding:3px 10px; border-radius:6px; font-size:11.5px; font-weight:700; background:var(--bot-theme-bg); color:var(--bot-theme-color); }
.bot-desc { margin:0; font-size:14.5px; font-weight:500; color:var(--bot-text-muted); line-height:1.6; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.bot-card-footer { display:flex; align-items:center; }
.bot-cta { font-size:15px; font-weight:750; color:var(--bot-text); display:flex; align-items:center; gap:4px; transition:color 0.3s; }
.bot-cta svg { width:18px; height:18px; color:#94A3B8; transition:all 0.4s var(--bot-ease); }
.bot-card-wrapper:hover .bot-cta { color:var(--bot-theme-color); }
.bot-card-wrapper:hover .bot-cta svg { color:var(--bot-theme-color); transform:translateX(6px); }
.ot-section-footer { position:relative; z-index:2; text-align:center; margin-top:40px; }
.bot-btn-primary { display:inline-flex; align-items:center; justify-content:center; gap:8px; padding:14px 32px; background:#1D1D1F; color:#fff; font-size:16px; font-weight:700; border-radius:100px; text-decoration:none; transition:all 0.3s var(--bot-ease); box-shadow:0 4px 14px rgba(0,0,0,0.1); }
.bot-btn-primary svg { width:18px; height:18px; transition:transform 0.3s; }
.bot-btn-primary:hover { background:#007AFF; transform:scale(1.02); box-shadow:0 8px 24px rgba(0,122,255,0.3); }
.bot-btn-primary:hover svg { transform:translateX(4px); }
.bot-footer-subtext { margin:16px 0 0 0; font-size:13px; font-weight:600; color:var(--bot-text-muted); }

/* ============ TRUST MODULE ============ */
.ot-trust-module { position:relative; padding:140px 24px; background-color:var(--eat-bg); font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display",sans-serif; overflow:hidden; }
.ot-trust-module::before { content:''; position:absolute; top:0; left:0; right:0; height:100px; background:linear-gradient(to bottom, var(--eat-bg), transparent); pointer-events:none; z-index:1; }
.ot-trust-module::after { content:''; position:absolute; bottom:0; left:0; right:0; height:100px; background:linear-gradient(to top, var(--eat-bg), transparent); pointer-events:none; z-index:1; }
.trust-ambient-bg { position:absolute; inset:0; z-index:0; pointer-events:none; }
.trust-glow-orb { position:absolute; border-radius:50%; filter:blur(120px); opacity:0.12; will-change:transform; }
.trust-glow-orb.blue { width:700px; height:700px; background:var(--eat-accent); top:-10%; left:-10%; animation:eatBreathe 15s var(--eat-ease) infinite alternate; }
@keyframes eatBreathe { 0%{transform:scale(1) translate(0,0);} 100%{transform:scale(1.05) translate(3%,3%);} }
.ot-trust-container { position:relative; z-index:2; max-width:1240px; margin:0 auto; }
.ot-trust-grid { display:grid; grid-template-columns:4fr 5fr; gap:40px; align-items:stretch; }
.trust-identity-card { height:100%; display:flex; flex-direction:column; justify-content:space-between; position:relative; overflow:hidden; background:var(--eat-glass); backdrop-filter:blur(40px) saturate(180%); -webkit-backdrop-filter:blur(40px) saturate(180%); border:1px solid var(--eat-border); border-radius:32px; padding:48px; box-shadow:0 24px 48px -12px rgba(0,0,0,0.04),inset 0 1px 0 rgba(255,255,255,1); transition:transform 0.6s var(--eat-ease),box-shadow 0.6s var(--eat-ease); }
.trust-identity-card:hover { transform:translateY(-6px); box-shadow:0 32px 64px -16px rgba(0,122,255,0.12),inset 0 1px 0 rgba(255,255,255,1); }
.trust-watermark { position:absolute; top:-5%; right:-5%; width:280px; height:280px; color:var(--eat-accent); opacity:0; transform:scale(0.8) rotate(15deg); transition:all 0.8s var(--eat-ease); pointer-events:none; z-index:0; }
.trust-identity-card:hover .trust-watermark { opacity:0.03; transform:scale(1) rotate(0deg); }
.identity-top-content { display:flex; flex-direction:column; }
.identity-header { position:relative; z-index:1; display:flex; align-items:center; gap:20px; margin-bottom:24px; }
.avatar-wrapper { position:relative; width:80px; height:80px; flex-shrink:0; }
.avatar-img { width:100%; height:100%; border-radius:50%; object-fit:cover; border:2px solid #fff; box-shadow:0 8px 24px rgba(0,0,0,0.08); position:relative; z-index:2; }
.avatar-placeholder { width:80px; height:80px; border-radius:50%; background:linear-gradient(135deg,#007AFF,#5AC8FA); display:flex; align-items:center; justify-content:center; font-size:28px; font-weight:800; color:#fff; }
.avatar-ring { position:absolute; inset:-4px; border-radius:50%; background:conic-gradient(from 0deg,transparent 0%,rgba(0,122,255,0.1) 50%,rgba(0,122,255,0.4) 100%); animation:spinRing 4s linear infinite; opacity:0; transition:0.5s; z-index:1; }
.trust-identity-card:hover .avatar-ring { opacity:1; }
@keyframes spinRing { 100%{transform:rotate(360deg);} }
.identity-titles { display:flex; flex-direction:column; gap:4px; }
.author-name { margin:0; font-size:24px; font-weight:850; color:var(--eat-text); letter-spacing:-0.02em; }
.author-title { font-size:14px; font-weight:700; color:var(--eat-accent); }
.identity-desc { position:relative; z-index:1; font-size:16px; color:var(--eat-text-muted); line-height:1.7; font-weight:500; margin:0 0 32px 0; }
.identity-timeline { position:relative; z-index:1; list-style:none; padding:0; margin:0; border-left:2px solid rgba(0,0,0,0.04); }
.identity-timeline li { position:relative; padding-left:24px; margin-bottom:16px; display:flex; align-items:baseline; gap:16px; }
.identity-timeline li:last-child { margin-bottom:0; }
.identity-timeline li::before { content:''; position:absolute; left:-5px; top:6px; width:8px; height:8px; border-radius:50%; background:#D4D4D8; transition:0.4s var(--eat-ease); border:2px solid var(--eat-bg); }
.identity-timeline li.current::before { background:var(--eat-accent); box-shadow:0 0 0 4px rgba(0,122,255,0.15); }
.t-year { font-size:13.5px; font-weight:800; color:var(--eat-text); font-family:ui-monospace,SFMono-Regular,monospace; }
.t-event { font-size:15px; color:var(--eat-text-muted); font-weight:500; }
.identity-socials-wrapper { margin-top:auto; padding-top:32px; position:relative; z-index:1; }
.socials-intro { display:flex; align-items:center; gap:12px; margin-bottom:16px; opacity:0.8; }
.intro-line { height:1px; flex:1; background:linear-gradient(to right,transparent,rgba(0,0,0,0.08),transparent); }
.socials-intro p { margin:0; font-size:13px; font-weight:700; color:var(--eat-text-muted); text-transform:uppercase; letter-spacing:0.05em; }
.identity-socials { display:flex; gap:16px; flex-wrap:wrap; }
.capsule-btn { width:80px; height:80px; position:relative; overflow:hidden; display:flex; align-items:center; justify-content:center; flex-shrink:0; border-radius:20px; background:rgba(255,255,255,0.5); border:1px solid rgba(0,0,0,0.03); box-shadow:0 2px 10px rgba(0,0,0,0.01); transition:all 0.5s var(--eat-ease); }
.capsule-btn:hover { background:#fff; transform:translateY(-4px); border-color:rgba(0,0,0,0.06); box-shadow:0 12px 24px rgba(0,122,255,0.08); }
.btn-icon { width:24px; height:24px; color:var(--eat-text-muted); transition:all 0.4s var(--eat-ease); position:relative; z-index:2; }
.capsule-btn:hover .btn-icon { color:var(--eat-accent); transform:scale(1.1); }
.capsule-btn.highlight .btn-icon { color:var(--eat-accent); }
.btn-watermark { position:absolute; right:-20%; bottom:-20%; width:120%; height:120%; color:var(--eat-accent); opacity:0; filter:blur(4px); transform:scale(0.6) rotate(-15deg); transition:all 0.6s var(--eat-ease); z-index:0; pointer-events:none; }
.capsule-btn:hover .btn-watermark { opacity:0.08; filter:blur(0px); transform:scale(1.1) rotate(0deg); }
.trust-pillars-list { height:100%; display:flex; flex-direction:column; gap:24px; position:relative; z-index:1; }
.trust-pillar { flex:1; display:flex; align-items:center; gap:24px; padding:24px 40px; border-radius:28px; position:relative; overflow:hidden; z-index:2; background:var(--eat-glass); backdrop-filter:blur(24px) saturate(180%); -webkit-backdrop-filter:blur(24px) saturate(180%); border:1px solid var(--eat-border); box-shadow:0 10px 30px -10px rgba(0,0,0,0.03),inset 0 1px 0 rgba(255,255,255,1); transition:all 0.6s var(--eat-ease); }
.trust-pillar:hover { transform:translateY(-6px) scale(1.015); background:var(--eat-glass-hover); border-color:#fff; box-shadow:0 24px 50px -12px rgba(0,122,255,0.15),inset 0 1px 0 rgba(255,255,255,1); }
.pillar-watermark { position:absolute; right:-5%; bottom:-15%; width:240px; height:240px; color:var(--eat-accent); opacity:0.03; filter:blur(8px); transform:scale(0.8) translate(15px,15px) rotate(-15deg); transition:all 0.6s var(--eat-ease); pointer-events:none; z-index:0; }
.trust-pillar:hover .pillar-watermark { opacity:0.12; filter:blur(0px); transform:scale(1.15) translate(-10px,-15px) rotate(0deg); }
.pillar-icon { position:relative; width:64px; height:64px; flex-shrink:0; display:flex; align-items:center; justify-content:center; border-radius:20px; background:rgba(255,255,255,0.4); border:1px solid rgba(0,0,0,0.04); box-shadow:0 4px 16px rgba(0,0,0,0.02); transition:all 0.5s var(--eat-ease); z-index:2; }
.pillar-icon::before { content:''; position:absolute; inset:-10px; background:radial-gradient(circle at center,rgba(0,122,255,0.2),transparent 70%); opacity:0; filter:blur(8px); transition:opacity 0.5s var(--eat-ease); z-index:-1; }
.trust-pillar:hover .pillar-icon { background:#fff; border-color:rgba(0,122,255,0.15); box-shadow:0 8px 24px rgba(0,122,255,0.15); transform:translateY(-4px) scale(1.05); }
.trust-pillar:hover .pillar-icon::before { opacity:1; }
.pillar-icon svg { width:32px; height:32px; color:var(--eat-text-muted); opacity:0.7; transition:all 0.5s var(--eat-ease); position:relative; z-index:2; }
.trust-pillar:hover .pillar-icon svg { color:var(--eat-accent); opacity:1; filter:drop-shadow(0 2px 8px rgba(0,122,255,0.5)); }
.pillar-content { flex:1; display:flex; flex-direction:column; gap:6px; position:relative; z-index:2; }
.pillar-title { margin:0; font-size:19px; font-weight:750; color:var(--eat-text); letter-spacing:-0.015em; transition:color 0.4s var(--eat-ease); }
.trust-pillar:hover .pillar-title { color:var(--eat-accent); }
.pillar-desc { margin:0; font-size:15px; color:var(--eat-text-muted); line-height:1.65; font-weight:500; }

/* ============ FAQ MODULE ============ */
.ot-faq-module { position:relative; padding:120px 24px; background-color:var(--faq-bg); font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display",sans-serif; overflow:hidden; }
.ot-faq-module::before { content:''; position:absolute; top:0; left:0; right:0; height:100px; background:linear-gradient(to bottom, var(--faq-bg), transparent); pointer-events:none; z-index:1; }
.faq-ambient-bg { position:absolute; inset:0; z-index:0; pointer-events:none; }
.faq-glow-orb { position:absolute; border-radius:50%; filter:blur(120px); opacity:0.1; will-change:transform; }
.faq-glow-orb.blue { width:600px; height:600px; background:var(--faq-accent); top:10%; right:-10%; animation:faqBreathe 15s var(--faq-ease) infinite alternate; }
@keyframes faqBreathe { 0%{transform:scale(1) translate(0,0);} 100%{transform:scale(1.1) translate(-3%,3%);} }
.ot-faq-container { position:relative; z-index:2; max-width:880px; margin:0 auto; }
.ot-faq-module .ot-section-header { text-align:center; margin:0 auto 56px; display:flex; flex-direction:column; align-items:center; }
.ot-faq-module .ot-pill { display:inline-block; padding:6px 16px; border-radius:100px; font-size:11px; font-weight:800; letter-spacing:0.12em; color:#52525B; margin-bottom:24px; background:linear-gradient(110deg,#E4E4E7 0%,#F4F4F5 50%,#E4E4E7 100%); background-size:200% auto; border:1px solid rgba(255,255,255,0.8); box-shadow:0 2px 8px rgba(0,0,0,0.03); }
.ot-faq-module .ot-section-title { font-size:clamp(30px,3.5vw,42px); font-weight:850; color:var(--faq-text); letter-spacing:-0.03em; margin:0 0 16px 0; line-height:1.2; }
.ot-faq-module .ot-section-desc { font-size:clamp(16px,1.5vw,18px); color:var(--faq-text-muted); line-height:1.6; font-weight:500; margin:0; }
.ot-faq-module .text-hero-gradient { background:linear-gradient(to right,#1D1D1F 20%,var(--faq-accent) 40%,var(--faq-accent) 60%,#1D1D1F 80%); background-size:200% auto; -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.ot-faq-list { display:flex; flex-direction:column; gap:20px; }
.faq-item { position:relative; background:linear-gradient(145deg,rgba(255,255,255,0.7) 0%,rgba(255,255,255,0.25) 100%); backdrop-filter:blur(24px) saturate(180%); -webkit-backdrop-filter:blur(24px) saturate(180%); border:1px solid rgba(255,255,255,0.6); border-radius:24px; overflow:hidden; box-shadow:0 4px 16px rgba(0,0,0,0.02),inset 0 1px 0 rgba(255,255,255,1); transition:all 0.5s var(--faq-ease); }
.faq-item::before { content:''; position:absolute; left:-1px; top:30%; bottom:30%; width:2px; background:linear-gradient(to bottom,transparent,var(--faq-accent),transparent); opacity:0; transition:all 0.6s var(--faq-ease); box-shadow:2px 0 20px 2px rgba(0,122,255,0.25); z-index:3; }
.faq-item:hover::before, .faq-item[open]::before { opacity:1; top:15%; bottom:15%; }
.faq-item:hover { border-color:rgba(255,255,255,1); box-shadow:0 16px 40px -8px rgba(0,122,255,0.08),inset 0 1px 0 rgba(255,255,255,1); transform:translateY(-4px) scale(1.005); background:linear-gradient(145deg,rgba(255,255,255,0.95) 0%,rgba(255,255,255,0.45) 100%); }
.faq-item[open] { border-color:#fff; box-shadow:0 24px 50px -12px rgba(0,122,255,0.12),inset 0 1px 0 rgba(255,255,255,1); transform:translateY(-4px); background:linear-gradient(145deg,rgba(255,255,255,0.95) 0%,rgba(255,255,255,0.6) 100%); }
.faq-summary, .faq-content { position:relative; z-index:2; }
.faq-summary { list-style:none; display:flex; align-items:center; justify-content:space-between; gap:20px; padding:28px 32px 28px 40px; cursor:pointer; user-select:none; outline:none; }
.faq-summary::-webkit-details-marker { display:none; }
.faq-q-wrap { display:flex; align-items:flex-start; gap:16px; flex:1; }
.faq-q-num { flex-shrink:0; display:inline-flex; align-items:center; justify-content:center; font-size:13px; font-weight:800; letter-spacing:0.05em; color:#64748B; background:#F8FAFC; border:1px solid #E2E8F0; padding:4px 10px; border-radius:8px; margin-top:2px; transition:all 0.4s var(--faq-ease); }
.faq-item:hover .faq-q-num, .faq-item[open] .faq-q-num { background:linear-gradient(135deg,var(--faq-accent) 0%,#0284C7 100%); color:#fff; border-color:transparent; box-shadow:0 4px 12px rgba(0,122,255,0.25); }
.faq-q-text { font-size:18px; font-weight:750; color:var(--faq-text); line-height:1.4; letter-spacing:-0.01em; transition:color 0.4s var(--faq-ease); }
.faq-item:hover .faq-q-text, .faq-item[open] .faq-q-text { color:var(--faq-accent); }
.faq-icon { width:32px; height:32px; flex-shrink:0; color:var(--faq-text-muted); display:flex; align-items:center; justify-content:center; background:rgba(255,255,255,0.5); border:1px solid rgba(0,0,0,0.04); border-radius:50%; box-shadow:0 2px 8px rgba(0,0,0,0.02); transition:all 0.5s var(--faq-ease); }
.faq-icon svg { width:16px; height:16px; }
.faq-item:hover .faq-icon { color:var(--faq-accent); background:#fff; box-shadow:0 4px 12px rgba(0,122,255,0.1); transform:scale(1.05); }
.faq-item[open] .faq-icon { color:#fff; background:var(--faq-accent); border-color:var(--faq-accent); transform:rotate(180deg) scale(1.05); box-shadow:0 4px 16px rgba(0,122,255,0.25); }
.icon-minus { display:none; }
.faq-item[open] .icon-plus { display:none; }
.faq-item[open] .icon-minus { display:block; }
.faq-content { padding:0 40px 36px 40px; }
.faq-item[open] .faq-content { animation:smoothReveal 0.6s cubic-bezier(0.16,1,0.3,1) forwards; transform-origin:top; }
@keyframes smoothReveal { 0%{opacity:0;transform:translateY(-12px) scale(0.99);} 100%{opacity:1;transform:translateY(0) scale(1);} }
.faq-tldr { display:flex; gap:8px; background:rgba(0,122,255,0.05); border:1px solid rgba(0,122,255,0.1); border-radius:12px; padding:14px 18px; margin-bottom:20px; font-size:14.5px; line-height:1.6; color:var(--faq-text-muted); }
.faq-tldr strong { color:var(--faq-accent); font-weight:800; flex-shrink:0; margin-right:8px; }
.faq-content p { font-size:15px; color:var(--faq-text-muted); line-height:1.75; margin:0 0 14px 0; }
.faq-content p:last-child { margin-bottom:0; }
.faq-content ol,.faq-content ul { margin:0 0 14px 0; padding-left:20px; }
.editorial-list li { font-size:15px; color:var(--faq-text-muted); line-height:1.7; margin-bottom:8px; }
.faq-table-wrapper { overflow-x:auto; margin-bottom:14px; }
.faq-table-wrapper table { width:100%; border-collapse:collapse; font-size:14px; }
.faq-table-wrapper th { background:rgba(0,122,255,0.06); color:var(--faq-text); font-weight:700; padding:10px 14px; text-align:left; border-bottom:1px solid rgba(0,0,0,0.06); }
.faq-table-wrapper td { padding:10px 14px; border-bottom:1px solid rgba(0,0,0,0.04); color:var(--faq-text-muted); }
.faq-link-card { display:flex; align-items:center; justify-content:space-between; gap:16px; padding:18px 20px; margin-top:20px; background:rgba(255,255,255,0.7); border:1px solid rgba(0,0,0,0.06); border-radius:14px; text-decoration:none; transition:all 0.3s var(--faq-ease); }
.faq-link-card:hover { background:#fff; border-color:rgba(0,122,255,0.2); box-shadow:0 8px 24px rgba(0,122,255,0.08); }
.faq-link-card .card-inner { display:flex; align-items:center; gap:12px; }
.faq-link-card .card-tag { padding:3px 10px; border-radius:6px; font-size:11px; font-weight:800; background:rgba(0,122,255,0.08); color:var(--faq-accent); }
.faq-link-card:hover .card-tag { background:var(--faq-accent); color:#fff; }
.faq-link-card .card-title { font-size:14.5px; font-weight:700; color:var(--faq-text); }
.faq-link-card:hover .card-title { color:var(--faq-accent); }
.faq-link-card .card-arrow { width:28px; height:28px; border-radius:50%; background:rgba(0,0,0,0.04); display:flex; align-items:center; justify-content:center; color:var(--faq-accent); flex-shrink:0; transition:all 0.3s; }
.faq-link-card:hover .card-arrow { background:rgba(0,122,255,0.1); transform:translateX(4px); }
.faq-link-card .card-arrow svg { width:14px; height:14px; }
.ot-faq-cta { text-align:center; margin-top:48px; }
.faq-btn-outline { display:inline-flex; align-items:center; gap:10px; padding:16px 32px; border:1.5px solid rgba(0,0,0,0.12); border-radius:100px; font-size:15.5px; font-weight:700; color:var(--faq-text); text-decoration:none; transition:all 0.3s var(--faq-ease); background:rgba(255,255,255,0.6); backdrop-filter:blur(10px); }
.faq-btn-outline svg { width:18px; height:18px; transition:transform 0.3s; }
.faq-btn-outline:hover { background:#fff; border-color:var(--faq-accent); color:var(--faq-accent); box-shadow:0 8px 24px rgba(0,122,255,0.12); }
.faq-btn-outline:hover svg { transform:translateX(4px); color:var(--faq-accent); }

/* ============ TOPIC HUB ============ */
.ot-topic-hub { position:relative; padding:140px 24px; background-color:var(--hub-bg); font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display",sans-serif; overflow:hidden; }
.hub-container { max-width:1240px; margin:0 auto; position:relative; z-index:2; }
.hub-header { text-align:center; margin-bottom:72px; }
.hub-eyebrow { display:inline-block; padding:6px 16px; border-radius:100px; font-size:11px; font-weight:800; letter-spacing:0.12em; color:#52525B; background:linear-gradient(110deg,#E4E4E7 0%,#F4F4F5 50%,#E4E4E7 100%); border:1px solid rgba(255,255,255,0.8); box-shadow:0 2px 8px rgba(0,0,0,0.03); margin-bottom:24px; }
.hub-title { font-size:clamp(34px,4vw,48px); font-weight:850; letter-spacing:-0.03em; margin:0 0 20px 0; line-height:1.15; color:#1D1D1F !important; }
.hub-gradient-text { background:linear-gradient(135deg,#007AFF 0%,#7C3AED 100%); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.hub-subtitle { font-size:clamp(17px,1.5vw,19px); color:var(--hub-text-muted); line-height:1.65; font-weight:500; max-width:680px; margin:0 auto; }
.hub-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:32px; align-items:stretch; }
.hub-card { position:relative; display:flex; flex-direction:column; text-decoration:none; border-radius:32px; overflow:hidden; background:#fff; border:1px solid rgba(0,0,0,0.05); box-shadow:0 10px 30px -10px rgba(0,0,0,0.03); transition:all 0.6s var(--hub-ease); }
.hub-card.span-2 { grid-column:span 2; }
.hub-card:hover { transform:translateY(-8px); box-shadow:0 32px 64px -16px rgba(0,122,255,0.12),0 0 0 1px rgba(0,122,255,0.05); }
.card-glass-layer { position:absolute; inset:0; z-index:1; pointer-events:none; background:linear-gradient(145deg,transparent,rgba(0,122,255,0.02)); opacity:0; transition:opacity 0.6s var(--hub-ease); }
.hub-card:hover .card-glass-layer { opacity:1; }
.card-inner { position:relative; z-index:2; display:flex; flex-direction:column; flex-grow:1; padding:40px; }
.card-top { display:flex; align-items:flex-start; justify-content:space-between; width:100%; flex-shrink:0; margin-bottom:32px; flex-wrap:wrap; gap:16px; }
.premium-icon { position:relative; width:52px; height:52px; flex-shrink:0; }
.icon-halo { position:absolute; inset:-4px; border-radius:50%; background:currentColor; filter:blur(12px); opacity:0.15; transition:all 0.5s var(--hub-ease); }
.hub-card:hover .icon-halo { opacity:0.45; transform:scale(1.15); }
.icon-surface { position:absolute; inset:0; border-radius:14px; display:flex; align-items:center; justify-content:center; background:linear-gradient(135deg,rgba(255,255,255,0.9),rgba(255,255,255,0.3)); border:1px solid rgba(255,255,255,0.9); box-shadow:0 8px 16px -4px rgba(0,0,0,0.06),inset 0 1px 2px rgba(255,255,255,1); color:currentColor; transition:all 0.5s var(--hub-ease); }
.hub-card:hover .icon-surface { transform:scale(1.05); }
.icon-surface svg { width:26px; height:26px; filter:drop-shadow(0 2px 4px rgba(0,0,0,0.1)); }
.meta-badge { background:#F8FAFC; border:1px solid #E2E8F0; box-shadow:inset 0 1px 0 rgba(255,255,255,1); color:#475569; padding:6px 14px; border-radius:100px; font-family:ui-monospace,SFMono-Regular,monospace; font-size:11.5px; font-weight:800; letter-spacing:0.08em; }
.card-body { flex-grow:1; display:flex; flex-direction:column; justify-content:flex-start; }
.card-title { font-size:22px; font-weight:800; color:var(--hub-text-main,#1D1D1F); margin:0 0 12px 0; line-height:1.3; letter-spacing:-0.02em; transition:color 0.4s var(--hub-ease); }
.card-desc { font-size:15.5px; color:var(--hub-text-muted,#64748b); line-height:1.6; margin:0; }
.card-bottom { flex-shrink:0; margin-top:32px; display:flex; align-items:center; justify-content:flex-start; }
.card-cta { display:inline-flex; align-items:center; gap:6px; font-size:14.5px; font-weight:750; color:#1D1D1F; transition:all 0.4s var(--hub-ease); }
.card-cta svg { width:18px; height:18px; color:#94A3B8; transition:all 0.4s var(--hub-ease); }
.hub-card:hover .card-title, .hub-card:hover .card-cta { color:currentColor; }
.hub-card:hover .card-cta svg { color:currentColor; transform:translateX(6px); }
.theme-blue { color:#007AFF; }
.theme-purple { color:#7C3AED; }
.theme-green { color:#10B981; }
.theme-indigo { color:#4F46E5; }
.theme-red { color:#EF4444; }
.theme-slate { color:#475569; }
.card-watermark { position:absolute; right:-15%; bottom:-15%; width:280px; height:280px; color:currentColor; opacity:0.02; transform:scale(0.6) rotate(-15deg) translate(20px,20px); transition:all 0.8s var(--hub-ease); z-index:0; pointer-events:none; will-change:transform,opacity; }
.hub-card:hover .card-watermark { opacity:0.06; transform:scale(1.1) rotate(0deg) translate(-10px,-10px); }

/* ============ FADE-IN ANIMATION ============ */
.fade-in-up { opacity:0; animation:slideUpFade 0.8s cubic-bezier(0.16,1,0.3,1) forwards; }
@keyframes slideUpFade { from{opacity:0;transform:translateY(30px);} to{opacity:1;transform:translateY(0);} }

/* ============ RESPONSIVE (index) ============ */
@media (max-width:1024px) {
    .ot-liquid-dock { grid-template-columns:repeat(2,minmax(0,1fr)); }
    .ot-bento-item.wide, .ot-bento-item.square { grid-column:span 6 !important; }
    .ot-bento-item { padding:32px; }
    .item-content h3 { font-size:22px; }
    .item-content { max-width:100%; }
    .item-watermark { width:200px; height:200px; bottom:-10%; }
    .ot-hub-container { grid-template-columns:1fr; }
    .ot-trust-grid { gap:40px; }
    .trust-identity-card { padding:40px 32px; }
    .trust-pillar { padding:24px 32px; }
    .hub-grid { grid-template-columns:1fr 1fr; }
    .hub-card.span-2 { grid-column:span 2; }
}
@media (max-width:768px) {
    .hub-glow-orb,.bot-glow-orb,.trust-glow-orb { display:none !important; }
    .ot-dashboard-panel,.bot-card,.trust-identity-card,.trust-pillar,.ot-bento-item { backdrop-filter:none !important; -webkit-backdrop-filter:none !important; background:rgba(255,255,255,0.95) !important; box-shadow:0 4px 16px rgba(0,0,0,0.04) !important; }
    .ot-trust-module { padding:80px 20px; }
    .ot-trust-grid { grid-template-columns:1fr; }
    .trust-identity-card { height:auto; padding:32px 24px; }
    .trust-pillars-list { height:auto; gap:16px; }
    .trust-pillar { flex:none; flex-direction:column; align-items:flex-start; padding:28px 24px; gap:16px; }
    .ot-bot-express { padding:80px 0 100px; }
    .bot-card-wrapper { flex:0 0 290px; scroll-snap-align:center; }
    .ot-carousel-track { padding:40px calc(50vw - 145px) 50px; gap:16px; }
    .scroll-mask { width:30px; }
    .hub-grid { grid-template-columns:1fr; }
    .hub-card.span-2 { grid-column:span 1; }
}
@media (max-width:640px) {
    .ot-hero-liquid { padding:80px 16px 60px; gap:48px; }
    .ot-cine-h1 { font-size:32px; }
    .ot-cine-actions,.pill-btn { width:100%; }
    .ot-liquid-dock { grid-template-columns:minmax(0,1fr); gap:16px; }
    .liquid-card { padding:20px; }
    .card-front { flex-direction:row; align-items:center; gap:16px; }
    .watermark-reveal { --watermark-size:90px; }
    .ot-howto-ultra { padding:80px 20px 100px; }
    .ot-howto-header { margin-bottom:48px; }
    .howto-title { font-size:28px; }
    .ot-bento-staggered { display:flex; flex-direction:column; gap:16px; }
    .ot-bento-item { padding:28px 24px; border-radius:24px; }
    .item-content h3 { font-size:20px; }
    .ot-content-hub { padding:60px 16px 80px; }
    .ot-dashboard-panel { padding:28px 24px; border-radius:24px; }
    .row-arrow { display:none; }
    .ot-faq-module { padding:80px 20px; }
    .faq-summary { padding:18px 20px; }
    .faq-content { padding:0 20px 20px; }
    .faq-link-card { flex-wrap:wrap; }
    .faq-link-card .card-inner { flex-direction:column; align-items:flex-start; gap:8px; }
    .faq-link-card .card-arrow { display:none; }
    .faq-btn-outline { width:100%; padding:16px 20px; justify-content:center; }
    .ot-topic-hub { padding:80px 20px; }
    .hub-card .card-inner { padding:28px 24px; }
    .hub-card .card-title { font-size:18px; }
}