/* roulang page: index */
:root {
  --green-900: #071F1B;
  --green-800: #09231f;
  --green-700: #083D32;
  --green-600: #10403B;
  --green-500: #0B5D4B;
  --green-450: #0F6B58;
  --green-100: #E3EFEA;
  --green-50: #EFF6F3;
  --amber: #F2AF3D;
  --amber-light: #FFC65C;
  --amber-deep: #C77E18;
  --paper: #F6F4EF;
  --white: #FFFFFF;
  --text: #1E2724;
  --muted: #6B7670;
  --line: #E7E5DD;
  --radius-lg: 22px;
  --radius-md: 15px;
  --radius-sm: 9px;
  --shadow-sm: 0 4px 14px rgba(7, 47, 39, .06);
  --shadow-md: 0 12px 30px rgba(7, 47, 39, .1);
  --font: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; font-size: 1rem; }
.container { max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.section-pad { padding-top: clamp(64px, 8vw, 100px); padding-bottom: clamp(64px, 8vw, 100px); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 64px;
  background: rgba(255,255,255,.82);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(231,229,221,.75);
}
.header-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 800;
  font-size: 22px;
  letter-spacing: .5px;
  color: var(--green-700);
  line-height: 1;
}
.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: linear-gradient(145deg, var(--green-500), var(--green-800));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--amber);
  font-size: 15px;
  font-weight: 800;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.12);
}
.header-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 22px;
  background: var(--green-600);
  color: #fff;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .25s ease;
  white-space: nowrap;
}
.header-action:hover { background: var(--green-500); transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.header-action:active { transform: translateY(1px); }
.header-action:focus-visible { outline: 3px solid rgba(11, 93, 75, .35); outline-offset: 2px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 25px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .25s ease;
  line-height: 1;
}
.btn-primary { background: var(--amber); color: var(--green-800); }
.btn-primary:hover { background: var(--amber-light); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(242,175,61,.25); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:focus-visible { outline: 3px solid rgba(242,175,61,.45); outline-offset: 3px; }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.65); }
.btn-ghost:hover { background: rgba(255,255,255,.14); border-color: #fff; transform: translateY(-2px); }
.btn-ghost:active { transform: translateY(0); }
.btn-ghost:focus-visible { outline: 3px solid rgba(255,255,255,.4); outline-offset: 3px; }
.btn-dark { background: var(--green-700); color: #fff; }
.btn-dark:hover { background: var(--green-600); transform: translateY(-2px); box-shadow: var(--shadow-sm); }

/* Hero Bento */
.hero-section {
  padding-top: max(56px, 7vh);
  padding-bottom: clamp(48px, 6vw, 80px);
  background: var(--green-900);
  background-image: linear-gradient(115deg, rgba(7,31,27,.97) 0%, rgba(8,61,50,.86) 58%, rgba(11,93,75,.68) 100%), url('/assets/images/backpic/back-1.jpg');
  background-size: cover;
  background-position: center;
  color: #fff;
  border-radius: 0 0 0 0;
  overflow: hidden;
}
.hero-bento {
  display: grid;
  grid-template-columns: 1.65fr 1fr;
  gap: 22px;
  min-height: 620px;
  align-items: stretch;
}
.hero-main {
  position: relative;
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, rgba(255,255,255,.06), rgba(255,255,255,.01));
  border: 1px solid rgba(255,255,255,.19);
  padding: clamp(30px, 5vw, 58px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero-tag {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.22);
  color: #FAF0DA;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 24px;
}
.hero-title {
  font-size: clamp(34px, 5.2vw, 58px);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: .5px;
}
.hero-title .amber { color: var(--amber); }
.hero-sub {
  margin-top: 20px;
  max-width: 560px;
  font-size: 17px;
  line-height: 1.85;
  color: rgba(255,255,255,.84);
}
.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}
.hero-point {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 999px;
  font-size: 13px;
  padding: 6px 13px;
}
.hero-point::before { content: "✓"; color: var(--amber); font-weight: 700; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-note { margin-top: 18px; font-size: 13px; color: rgba(255,255,255,.65); }
.hero-side { display: grid; grid-template-rows: 1fr 1fr; gap: 22px; }
.hero-side-card {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius-lg);
  padding: 27px 28px;
  backdrop-filter: blur(8px);
}
.hero-side-title {
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--amber);
  margin-bottom: 17px;
}
.hero-side-title::before { content: ""; width: 5px; height: 16px; border-radius: 4px; background: var(--amber); }
.stat-line { display: flex; justify-content: space-between; align-items: baseline; padding: 9px 0; border-bottom: 1px dashed rgba(255,255,255,.18); font-size: 14px; }
.stat-line:last-child { border-bottom: 0; }
.stat-line b { font-size: 26px; font-weight: 800; color: #fff; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.tag-cloud span {
  padding: 5px 11px;
  border-radius: 7px;
  font-size: 12px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.14);
  color: rgba(255,255,255,.93);
}
.tag-cloud .active-tag { background: var(--amber); color: var(--green-800); border-color: var(--amber); font-weight: 600; }
.tag-line-note { margin-top: 16px; font-size: 12px; color: rgba(255,255,255,.56); }

/* Section Head */
.sec-head { max-width: 760px; margin-bottom: 40px; }
.sec-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--green-500);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.sec-label::before { content: ""; width: 20px; height: 2px; background: var(--amber); }
.sec-head h2 { font-size: clamp(27px, 3.6vw, 36px); font-weight: 800; line-height: 1.25; color: var(--green-900); }
.sec-head p { margin-top: 14px; font-size: 15px; color: var(--muted); line-height: 1.85; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head.center .sec-label { justify-content: center; }
.sec-head.center .sec-label::before { display: none; }
.sec-head.center .sec-label::after { content: ""; width: 20px; height: 2px; background: var(--amber); }

/* Coupon grid */
.coupon-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.coupon-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all .28s ease;
  display: flex;
  flex-direction: column;
  padding: 0 0 18px;
}
.coupon-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--green-600), var(--green-500));
  z-index: 1;
}
.coupon-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: #e0ded4; }
.coupon-media {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #EDE9DF;
  overflow: hidden;
  position: relative;
}
.coupon-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.coupon-card:hover .coupon-media img { transform: scale(1.04); }
.coupon-media .media-fallback { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; font-size: 15px; color: var(--muted); background: linear-gradient(145deg, #efece3, #e5e1d6); }
.coupon-card-body { padding: 17px 20px 8px; flex: 1; }
.coupon-card h3 { font-size: 18px; font-weight: 750; color: var(--green-800); line-height: 1.4; }
.coupon-card p { color: var(--muted); font-size: 14px; margin-top: 7px; line-height: 1.7; }
.coupon-chips { padding: 12px 20px 0; display: flex; flex-wrap: wrap; gap: 7px; }
.chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 7px;
  background: rgba(11,93,75,.08);
  color: var(--green-600);
  font-size: 12px;
  font-weight: 500;
  border: 1px solid rgba(11,93,75,.12);
  transition: all .2s;
}
.chip:hover { background: rgba(11,93,75,.14); }
.coupon-link {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 16px 20px 0;
  color: var(--green-500);
  font-weight: 600;
  font-size: 14px;
}
.coupon-link::after { content: "→"; transition: transform .2s ease; }
.coupon-card:hover .coupon-link::after { transform: translateX(5px); }

/* Data section */
.data-section {
  background: var(--green-800);
  color: rgba(255,255,255,.9);
  background-image: linear-gradient(115deg, rgba(7,31,27,.94) 0%, rgba(8,61,50,.92) 100%), url('/assets/images/backpic/back-2.jpg');
  background-size: cover;
  background-position: center;
}
.data-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: rgba(255,255,255,.04);
}
.data-item {
  padding: clamp(30px, 4vw, 48px) 30px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,.12);
}
.data-item:last-child { border-right: 0; }
.data-item .num { font-size: clamp(41px, 5vw, 58px); font-weight: 800; color: var(--amber); line-height: 1.15; letter-spacing: -1px; }
.data-item .unit { font-size: 16px; color: rgba(255,255,255,.7); margin-left: 2px; }
.data-item .label { margin-top: 9px; font-size: 14px; color: rgba(255,255,255,.78); }

/* Guide three steps */
.steps-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; counter-reset: step; }
.step-item { position: relative; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 36px 28px 30px; transition: all .25s; }
.step-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #E3DDCF; }
.step-num {
  width: 52px; height: 52px;
  border-radius: 15px;
  background: var(--green-100);
  color: var(--green-600);
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.step-item h3 { font-size: 19px; font-weight: 750; color: var(--green-900); }
.step-item p { color: var(--muted); font-size: 14.5px; margin-top: 9px; line-height: 1.8; }

/* Hot list */
.hot-block {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.hot-row {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 18px 22px;
  border-bottom: 1px solid #F0EEE7;
  transition: background .2s;
}
.hot-row:last-child { border-bottom: 0; }
.hot-row:hover { background: #FBF9F4; }
.hot-index { width: 36px; color: #D8D3C6; font-weight: 800; font-size: 20px; text-align: center; flex-shrink: 0; }
.hot-row:nth-child(1) .hot-index { color: var(--amber); }
.hot-row:nth-child(2) .hot-index { color: #C4B795; }
.hot-row:nth-child(3) .hot-index { color: #BF9B6A; }
.hot-thumb {
  width: 100px; height: 68px;
  flex-shrink: 0;
  border-radius: 9px;
  overflow: hidden;
  background: #EEEBE3;
  object-fit: cover;
}
.hot-thumb-fallback { width: 100px; height: 68px; flex-shrink: 0; border-radius: 9px; background: #E9E5DA; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 600; color: var(--green-600); }
.hot-main { flex: 1; min-width: 0; }
.hot-title { font-size: 16.5px; font-weight: 650; color: var(--green-900); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hot-desc { font-size: 13.5px; color: var(--muted); margin-top: 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hot-tags { display: flex; gap: 6px; margin-top: 5px; flex-wrap: wrap; }
.hot-tags span { font-size: 12px; background: #F4F1E9; color: #847B6C; padding: 2px 8px; border-radius: 6px; }
.hot-badge {
  min-width: 58px;
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(11,93,75,.09);
  color: var(--green-600);
  text-align: center;
  font-size: 12.5px;
  font-weight: 600;
  flex-shrink: 0;
}
.hot-arrow { color: var(--muted); font-size: 20px; flex-shrink: 0; transition: all .2s; }
.hot-row:hover .hot-arrow { color: var(--green-500); transform: translateX(5px); }

/* Solution split */
.solution-wrap { display: grid; gap: 20px; }
.solution-block {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: all .3s;
}
.solution-block:nth-child(even) { grid-template-columns: 1.08fr .92fr; }
.solution-block:hover { box-shadow: var(--shadow-md); }
.solution-img { background: linear-gradient(140deg, var(--green-50), #E5E3D5); min-height: 230px; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.solution-img img { width: 100%; height: 100%; object-fit: cover; }
.solution-content { padding: 30px 34px; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.solution-content h3 { font-size: 22px; color: var(--green-900); font-weight: 800; }
.solution-content p { color: var(--muted); font-size: 14.5px; margin-top: 12px; line-height: 1.85; }
.solution-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.sol-chip { background: var(--green-100); color: var(--green-600); border-radius: 7px; padding: 4px 10px; font-size: 12.5px; font-weight: 500; }
.text-link { margin-top: 22px; color: var(--green-500); font-weight: 600; font-size: 14.5px; display: inline-flex; align-items: center; gap: 6px; }
.text-link::after { content: "→"; transition: transform .2s; }
.text-link:hover::after { transform: translateX(5px); }

/* FAQ */
.faq-panel { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.faq-item { border-bottom: 1px solid #EFEDE5; }
.faq-item:last-child { border-bottom: 0; }
.faq-item details { }
.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 21px 26px;
  cursor: pointer;
  transition: background .18s;
  color: var(--green-900);
  font-weight: 600;
  font-size: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { background: #F8F6F0; }
.faq-item summary .faq-no { color: var(--amber); font-size: 14px; font-weight: 800; letter-spacing: .5px; }
.faq-item summary .faq-icon { margin-left: auto; width: 28px; height: 28px; background: var(--green-100); border-radius: 50%; position: relative; flex-shrink: 0; }
.faq-item summary .faq-icon::before, .faq-item summary .faq-icon::after { content: ""; position: absolute; left: 50%; top: 50%; background: var(--green-600); transform: translate(-50%,-50%); width: 11px; height: 2px; border-radius: 2px; transition: all .2s; }
.faq-item summary .faq-icon::after { transform: translate(-50%,-50%) rotate(90deg); }
.faq-item details[open] summary { background: #F9F7F1; }
.faq-item details[open] summary .faq-icon::after { transform: translate(-50%,-50%) rotate(0deg); }
.faq-answer { padding: 0 26px 23px 67px; color: var(--muted); font-size: 15px; line-height: 1.85; }

/* Contact / CTA */
.cta-section {
  background: var(--green-800);
  background-image: linear-gradient(to bottom, rgba(9,35,31,.97), rgba(9,35,31,.94)), url('/assets/images/backpic/back-4.jpg');
  background-size: cover;
  background-position: center;
}
.cta-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 44px;
  align-items: start;
}
.cta-copy h2 { color: #fff; font-size: clamp(27px, 3.8vw, 40px); line-height: 1.23; }
.cta-copy p { color: rgba(255,255,255,.74); margin-top: 18px; line-height: 1.9; font-size: 15px; max-width: 500px; }
.cta-contacts { margin-top: 28px; display: flex; flex-direction: column; gap: 12px; }
.contact-item { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,.9); font-size: 14px; }
.contact-ic { width: 18px; height: 2px; background: var(--amber); border-radius: 2px; }
.wechat-placeholder {
  width: 112px;
  height: 112px;
  border-radius: 14px;
  border: 1px dashed rgba(255,255,255,.4);
  background: rgba(255,255,255,.05);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,.48);
  padding: 12px;
  margin-top: 24px;
}
.form-card {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius-lg);
  padding: 27px 28px;
  backdrop-filter: blur(8px);
}
.form-group { margin-bottom: 16px; }
.form-group label { display: block; color: #E8E2D7; font-size: 14px; margin-bottom: 8px; }
.form-group input, .form-group textarea {
  width: 100%;
  border: 1px solid rgba(255,255,255,.22);
  background: #0B2D27;
  color: #F5F2EB;
  border-radius: 9px;
  padding: 11px 14px;
  font-size: 14px;
  transition: all .2s;
}
.form-group input { height: 46px; }
.form-group textarea { min-height: 88px; resize: vertical; }
.form-group input::placeholder, .form-group textarea::placeholder { color: #8B9E97; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--amber); box-shadow: 0 0 0 4px rgba(242,175,61,.13); }
.form-hint { font-size: 12px; color: rgba(255,255,255,.5); margin-top: 7px; }
.form-submit { width: 100%; margin-top: 8px; }

/* Footer */
.site-footer { background: #071F1B; color: rgba(255,255,255,.9); }
.footer-main {
  padding: 62px 0 40px;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
}
.footer-brand-title { font-size: 24px; font-weight: 800; color: #fff; display: inline-flex; align-items: center; gap: 8px; }
.footer-brand-title .logo-mark { background: #0B3A30; color: var(--amber); }
.footer-desc { color: rgba(255,255,255,.62); font-size: 14px; margin-top: 16px; line-height: 1.9; }
.footer-column h4 { color: #fff; font-size: 15px; margin-bottom: 18px; letter-spacing: .3px; }
.footer-column ul { list-style:none; }
.footer-column li { margin-bottom: 10px; }
.footer-column a { color: rgba(255,255,255,.68); font-size: 14px; transition: color .2s; }
.footer-column a:hover { color: var(--amber); }
.footer-column address { font-style: normal; color: rgba(255,255,255,.6); font-size: 14px; line-height: 1.9; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 19px 0;
  font-size: 13px;
  color: rgba(255,255,255,.48);
}
.footer-bottom-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }

/* Scroll top */
.to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(11, 93, 75, .85);
  color: #fff;
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: 1px solid rgba(255,255,255,.4);
  transition: background .2s, opacity .2s, visibility .2s;
}
.to-top:hover { background: var(--green-500); }

/* responsive */
@media (max-width: 1100px) {
  .coupon-grid { grid-template-columns: repeat(2,1fr); }
  .data-list { grid-template-columns: repeat(2,1fr); }
  .data-item:nth-child(2) { border-right: 0; }
  .data-item:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.12); }
  .cta-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 34px; }
}
@media (max-width: 900px) {
  .hero-bento { grid-template-columns: 1fr; }
  .hero-side { grid-template-columns: 1fr; grid-template-rows: none; }
}
@media (max-width: 768px) {
  .section-pad { padding-top: 56px; padding-bottom: 56px; }
  .container { padding-left: 18px; padding-right: 18px; }
  .solution-block, .solution-block:nth-child(even) { grid-template-columns: 1fr; }
  .hot-row { flex-wrap: wrap; padding: 16px; }
  .hot-title { white-space: normal; }
  .hot-desc { white-space: normal; }
  .step-item { padding: 28px 20px; }
  .footer-main { grid-template-columns: 1fr; }
  .form-submit { font-size: 15px; }
}
@media (max-width: 520px) {
  .coupon-grid { grid-template-columns: 1fr; }
  .data-list { grid-template-columns: 1fr; }
  .data-item { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.12); }
  .data-item:last-child { border-bottom: 0; }
  .steps-grid { grid-template-columns: 1fr; }
  .hero-main { padding: 28px 20px; }
  .hot-thumb, .hot-thumb-fallback { width: 74px; height: 62px; }
  .footer-bottom-inner { flex-direction: column; justify-content: center; text-align: center; }
}

/* roulang page: category1 */
:root {
  --green-900:#071F1B;
  --green-800:#09231f;
  --green-700:#083D32;
  --green-600:#10403B;
  --green-500:#0B5D4B;
  --green-450:#0F6B58;
  --green-100:#E3EFEA;
  --green-50:#EFF6F3;
  --amber:#F2AF3D;
  --amber-light:#FFC65C;
  --amber-deep:#C77E18;
  --paper:#F6F4EF;
  --white:#FFFFFF;
  --text:#1E2724;
  --muted:#6B7670;
  --line:#E7E5DD;
  --radius-lg:22px;
  --radius-md:15px;
  --radius-sm:9px;
  --shadow-sm:0 4px 14px rgba(7,47,39,.06);
  --shadow-md:0 12px 30px rgba(7,47,39,.1);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:1rem;line-height:inherit}
button{cursor:pointer;border:none;background:none;color:inherit}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:3px solid rgba(11,93,75,.35);
  outline-offset:2px;
  border-radius:6px;
}
::selection{background:rgba(242,175,61,.4)}
.container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.section-pad{padding-top:clamp(64px,8vw,110px);padding-bottom:clamp(64px,8vw,110px)}
.section-kicker{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--green-500);font-size:14px;font-weight:700;letter-spacing:.08em;
}
.section-kicker::before{content:"";width:24px;height:3px;border-radius:99px;background:var(--amber)}
.section-title{
  font-size:clamp(26px,4vw,38px);
  line-height:1.25;
  font-weight:800;
  color:var(--green-900);
  margin-top:10px;
}
.section-lead{
  margin-top:14px;
  max-width:760px;
  color:var(--muted);
  font-size:16px;
}
.eyebrow{color:var(--amber);font-weight:600;letter-spacing:.1em}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  height:64px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(231,229,221,.8);
}
.header-inner{
  height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.brand-logo{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-weight:800;
  font-size:22px;
  letter-spacing:.5px;
  color:var(--green-700);
  line-height:1;
}
.logo-mark{
  width:32px;
  height:32px;
  border-radius:10px;
  background:linear-gradient(145deg,var(--green-500),var(--green-800));
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--amber);
  font-size:15px;
  font-weight:800;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.12);
  flex:none;
}
.header-action{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:42px;
  padding:0 22px;
  background:var(--green-600);
  color:#fff;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  border:1px solid transparent;
  transition:background .25s ease,transform .25s ease,box-shadow .25s ease;
  white-space:nowrap;
}
.header-action:hover{background:var(--green-500);transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.header-action:active{transform:translateY(1px)}
.header-action:focus-visible{outline:3px solid rgba(11,93,75,.35);outline-offset:2px}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 25px;
  border-radius:10px;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  border:1px solid transparent;
  transition:all .25s ease;
  line-height:1;
}
.btn-primary{background:var(--amber);color:var(--green-800)}
.btn-primary:hover{background:var(--amber-light);transform:translateY(-2px);box-shadow:0 10px 24px rgba(242,175,61,.25)}
.btn-primary:active{transform:translateY(0)}
.btn-outline-light{
  background:rgba(255,255,255,.08);
  color:#fff;
  border-color:rgba(255,255,255,.7);
}
.btn-outline-light:hover{background:rgba(255,255,255,.16);border-color:#fff;transform:translateY(-2px)}
.btn-outline-light:active{transform:translateY(0)}
.btn-outline-dark{
  background:rgba(255,255,255,.8);
  color:var(--green-700);
  border-color:#B9C9C2;
}
.btn-outline-dark:hover{background:var(--green-500);border-color:var(--green-500);color:#fff;transform:translateY(-2px)}

/* Category mini hero */
.cat-hero{
  background:
    linear-gradient(118deg,rgba(7,31,27,.96) 0%,rgba(11,93,75,.86) 62%,rgba(7,31,27,.7) 100%),
    url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
  color:#fff;
  padding:clamp(52px,7vw,86px) 0 clamp(44px,5vw,64px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.cat-hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) minmax(240px,340px);
  gap:36px;
  align-items:end;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.62);
  margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.88)}
.breadcrumb a:hover{color:var(--amber-light)}
.breadcrumb-sep{opacity:.55}
.cat-title{
  font-size:clamp(30px,4.6vw,52px);
  line-height:1.18;
  font-weight:800;
  letter-spacing:.3px;
  color:#fff;
}
.cat-title .dot{color:var(--amber)}
.cat-desc{
  margin-top:18px;
  max-width:660px;
  font-size:16px;
  line-height:1.85;
  color:rgba(255,255,255,.84);
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:9px;
  margin-top:24px;
}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 13px;
  border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
  font-size:13px;
  color:#fff;
}
.hero-tag::before{
  content:"✓";
  color:var(--amber);
  font-weight:700;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:30px;
}
.cat-hero-side{
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-lg);
  padding:24px;
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
}
.cat-hero-side h2{
  font-size:16px;
  font-weight:700;
  color:var(--amber);
  border-bottom:1px solid rgba(255,255,255,.18);
  padding-bottom:12px;
  margin-bottom:12px;
}
.cat-hero-side li{
  display:flex;
  justify-content:space-between;
  gap:14px;
  padding:8px 0;
  font-size:13px;
  color:rgba(255,255,255,.9);
  border-bottom:1px dashed rgba(255,255,255,.12);
}
.cat-hero-side li:last-child{border-bottom:none}
.cat-hero-side li span:last-child{color:#fff;font-weight:600;text-align:right}

/* Filter bar */
.filter-bar{
  border-bottom:1px solid var(--line);
  background:var(--white);
  position:relative;
  z-index:20;
}
.filter-bar-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding-top:14px;
  padding-bottom:14px;
}
.chip-group{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.filter-chip{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:34px;
  padding:0 13px;
  border-radius:999px;
  background:var(--green-50);
  color:var(--green-700);
  border:1px solid #D6E3DC;
  font-size:13px;
  font-weight:600;
  cursor:pointer;
  transition:all .2s ease;
  white-space:nowrap;
}
.filter-chip:hover{background:var(--green-100);border-color:var(--green-500)}
.filter-chip.is-active{background:var(--green-600);color:#fff;border-color:var(--green-600)}
.filter-chip:active{transform:translateY(1px)}
.sort-group{display:flex;align-items:center;gap:8px}
.sort-link{
  font-size:13px;
  color:var(--muted);
  cursor:pointer;
  padding:6px 4px;
  transition:color .2s;
}
.sort-link.is-current{color:var(--green-700);font-weight:700;box-shadow:inset 0 -2px 0 var(--amber)}
.sort-link:hover{color:var(--green-500)}

/* Main content */
.cat-main{
  padding:clamp(34px,5vw,58px) 0 clamp(56px,7vw,90px);
}
.cat-main-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:34px;
  align-items:start;
}
.resource-list-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:18px;
  margin-bottom:18px;
  flex-wrap:wrap;
}
.resource-list-head h2{
  font-size:20px;
  font-weight:800;
  color:var(--green-900);
}
.resource-list-head p{font-size:13px;color:var(--muted)}
.resource-list{display:flex;flex-direction:column;gap:16px;min-width:0}
.resource-entry{
  display:grid;
  grid-template-columns:168px minmax(0,1fr) auto;
  gap:18px;
  align-items:center;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:14px 18px 14px 14px;
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.resource-entry:hover{
  border-color:#CBDBD3;
  box-shadow:var(--shadow-md);
  transform:translateY(-2px);
}
.entry-thumb{
  position:relative;
  width:168px;
  aspect-ratio:4/3;
  background:#EFEAE0;
  border-radius:12px;
  overflow:hidden;
}
.entry-thumb img{width:100%;height:100%;object-fit:cover}
.resource-entry:nth-child(even) .entry-thumb img{object-position:center 20%}
.entry-content{min-width:0}
.entry-title{
  font-size:18px;
  font-weight:800;
  color:var(--text);
  line-height:1.4;
  letter-spacing:.2px;
  margin-bottom:6px;
}
.entry-title:hover{color:var(--green-600)}
.entry-summary{
  font-size:14px;
  color:var(--muted);
  line-height:1.75;
  margin-bottom:9px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.entry-meta-tags{display:flex;flex-wrap:wrap;gap:6px}
.tag-chip{
  display:inline-block;
  padding:3px 9px;
  border-radius:6px;
  font-size:12px;
  font-weight:600;
  background:rgba(11,93,75,.07);
  color:var(--green-500);
  border:1px solid rgba(11,93,75,.1);
}
.tag-chip.hot{
  background:rgba(242,175,61,.18);
  color:#945E0A;
  border-color:rgba(242,175,61,.28);
}
.entry-side{
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:10px;
  white-space:nowrap;
  padding-left:6px;
}
.entry-side time{font-size:12px;color:var(--muted)}
.entry-link{
  display:inline-flex;
  align-items:center;
  gap:5px;
  font-size:13px;
  font-weight:700;
  color:var(--green-600);
  border-bottom:1px solid transparent;
  transition:color .2s,border-color .2s;
}
.entry-link:hover{color:var(--green-450);border-color:var(--green-450)}
.entry-link span{color:var(--amber)}

/* Pagination */
.pagination{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  margin-top:30px;
  flex-wrap:wrap;
}
.pagination-note{font-size:13px;color:var(--muted)}
.page-list{display:flex;flex-wrap:wrap;gap:7px}
.page-number{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:36px;
  height:36px;
  padding:0 8px;
  border-radius:9px;
  border:1px solid #D8D8CC;
  background:var(--white);
  color:var(--green-700);
  font-size:13px;
  font-weight:600;
  cursor:pointer;
  transition:all .2s ease;
}
.page-number:hover{border-color:var(--green-450);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.page-number.is-current{background:var(--amber);border-color:var(--amber);color:var(--green-900);font-weight:800}
.page-number.is-disabled{opacity:.45;pointer-events:none}

/* Sidebar */
.cat-sidebar{
  display:flex;
  flex-direction:column;
  gap:22px;
  position:sticky;
  top:86px;
  min-width:0;
}
.side-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:22px;
}
.side-card h2{
  font-size:15px;
  font-weight:800;
  color:var(--green-900);
  padding-bottom:13px;
  border-bottom:1px solid var(--line);
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-card h2::before{
  content:"";
  width:4px;
  height:18px;
  border-radius:4px;
  background:var(--amber);
}
.hot-list{counter-reset:hot}
.hot-list li{
  counter-increment:hot;
  border-bottom:1px dashed #EDECE4;
}
.hot-list li:last-child{border-bottom:none}
.hot-list a{
  display:flex;
  gap:12px;
  padding:10px 0;
  align-items:center;
  font-size:13px;
  line-height:1.6;
  color:var(--text);
  transition:color .2s;
}
.hot-list a::before{
  content:counter(hot,decimal-leading-zero);
  font-size:13px;
  font-weight:800;
  color:#C4B9A2;
  font-style:italic;
  line-height:1;
  margin-top:2px;
  transition:color .2s;
}
.hot-list a:hover{color:var(--green-500)}
.hot-list a:hover::before{color:var(--amber-deep)}
.nav-list li+li{border-top:1px solid #F0EFE8}
.nav-list a{
  display:block;
  padding:9px 0;
  font-size:13px;
  color:var(--muted);
  transition:all .2s;
}
.nav-list a:hover{color:var(--green-500);padding-left:5px}
.side-note{
  font-size:12px;
  color:var(--muted);
  background:var(--green-50);
  border-radius:10px;
  padding:12px 13px;
  border:1px solid rgba(11,93,75,.08);
  line-height:1.65;
}
.side-note strong{color:var(--green-700)}

/* How to use guide */
.guide-strip{
  background:var(--green-800);
  color:#fff;
  border-radius:var(--radius-lg);
  padding:clamp(28px,5vw,52px);
}
.guide-strip h2{
  font-size:clamp(24px,3vw,34px);
  font-weight:800;
  letter-spacing:.3px;
}
.guide-strip h2 span{color:var(--amber)}
.guide-strip>p{
  margin-top:10px;
  max-width:680px;
  color:rgba(255,255,255,.75);
}
.guide-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
  margin-top:32px;
}
.guide-step{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-md);
  padding:20px;
  transition:transform .25s ease,background .25s ease;
}
.guide-step:hover{background:rgba(255,255,255,.12);transform:translateY(-3px)}
.guide-step i{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border-radius:9px;
  background:var(--amber);
  color:var(--green-900);
  font-weight:800;
  font-style:normal;
  margin-bottom:13px;
}
.guide-step h3{font-size:16px;font-weight:700}
.guide-step p{font-size:13px;margin-top:7px;line-height:1.7;color:rgba(255,255,255,.75)}

/* Use scenario */
.chapter-block{
  padding-top:clamp(50px,7vw,88px);
  padding-bottom:clamp(50px,7vw,88px);
}
.chapter-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:26px;
  flex-wrap:wrap;
}
.chapter-head .section-title{margin-top:6px}
.scenario-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:18px;
}
.scenario-card{
  background:var(--white);
  border:1px solid var(--line);
  border-top:4px solid var(--green-500);
  border-radius:var(--radius-md);
  padding:24px 26px;
  min-height:210px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  transition:transform .25s ease,box-shadow .25s ease;
}
.scenario-card:nth-child(2){border-top-color:var(--amber)}
.scenario-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.scenario-card h3{font-size:19px;font-weight:800;color:var(--green-900)}
.scenario-card p{margin-top:10px;color:var(--muted);font-size:14px}
.scene-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}
.scene-tags span{
  border:1px solid #DDDED2;
  background:var(--paper);
  color:var(--green-700);
  padding:2px 9px;
  border-radius:6px;
  font-size:12px;
}

/* FAQ */
.faq-block{
  background:var(--white);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.faq-grid{
  max-width:850px;
  margin:34px auto 0;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.faq-item{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:border-color .2s,box-shadow .2s;
}
.faq-item:hover{border-color:#CADBD2;box-shadow:var(--shadow-sm)}
.faq-item summary{
  display:flex;
  align-items:center;
  gap:15px;
  padding:18px 22px;
  cursor:pointer;
  list-style:none;
  transition:background .2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item[open] summary{background:var(--green-50)}
.faq-no{
  font-size:13px;
  font-weight:800;
  color:var(--amber-deep);
  border:1px solid rgba(242,175,61,.4);
  border-radius:7px;
  padding:2px 7px;
  background:rgba(242,175,61,.1);
  flex:none;
}
.faq-q{
  font-size:16px;
  font-weight:700;
  color:var(--green-900);
  flex:1;
}
.faq-item summary::after{
  content:"+";
  font-size:24px;
  font-weight:400;
  line-height:1;
  color:var(--green-500);
  transition:transform .25s ease;
}
.faq-item[open] summary::after{
  content:"−";
  color:var(--amber-deep);
}
.faq-a{
  padding:0 21px 21px 64px;
  color:var(--muted);
  font-size:14px;
  line-height:1.85;
}
.faq-a a{color:var(--green-500);font-weight:600}
.faq-a a:hover{text-decoration:underline}

/* Contact / CTA */
.contact-block{
  padding:clamp(60px,7vw,100px) 0;
}
.contact-card{
  background:var(--green-900);
  background-image:linear-gradient(115deg,rgba(7,31,27,.94),rgba(11,93,75,.82)),url('/assets/images/backpic/back-2.jpg');
  background-size:cover;
  background-position:center;
  border-radius:var(--radius-lg);
  color:#fff;
  padding:clamp(28px,5vw,60px);
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:44px;
  align-items:center;
  overflow:hidden;
}
.contact-copy h2{
  font-size:clamp(24px,3.2vw,36px);
  line-height:1.25;
  font-weight:800;
}
.contact-copy h2 span{color:var(--amber)}
.contact-copy p{margin-top:16px;color:rgba(255,255,255,.84);font-size:15px}
.contact-points{margin-top:18px;display:flex;flex-direction:column;gap:8px}
.contact-points li{
  display:flex;align-items:flex-start;gap:9px;
  font-size:14px;
  color:rgba(255,255,255,.86);
}
.contact-points li::before{
  content:"✓";
  color:var(--amber);
  font-weight:800;
  flex:none;
}
.contact-form{
  background:var(--white);
  border-radius:var(--radius-md);
  padding:26px;
  color:var(--text);
  box-shadow:0 20px 50px rgba(0,0,0,.22);
}
.contact-form h3{font-size:19px;font-weight:800;color:var(--green-900)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.form-group{display:flex;flex-direction:column;gap:6px;margin-top:14px}
.form-group label{font-size:14px;font-weight:700;color:var(--green-900)}
.form-group label small{color:var(--muted);font-weight:400}
.form-input{
  width:100%;
  border:1px solid #D8DBD4;
  background:#FAF8F3;
  border-radius:9px;
  min-height:46px;
  padding:0 13px;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
textarea.form-input{min-height:96px;padding-top:10px;resize:vertical}
.form-input:focus{
  outline:none;
  border-color:var(--green-450);
  background:#fff;
  box-shadow:0 0 0 4px rgba(11,93,75,.12);
}
.form-submit{width:100%;margin-top:18px;min-height:50px}
.form-tip{
  margin-top:12px;
  font-size:13px;
  color:var(--green-600);
  background:var(--green-50);
  border:1px solid rgba(11,93,75,.12);
  padding:9px 12px;
  border-radius:8px;
  line-height:1.6;
}
.form-tip[hidden]{display:none}

/* Footer */
.site-footer{
  background:var(--green-900);
  color:#DDD6C8;
}
.footer-main{
  display:grid;
  grid-template-columns:1.6fr .8fr .8fr 1fr;
  gap:34px;
  padding:56px 0 40px;
}
.footer-brand-title{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:22px;
  font-weight:800;
  color:#fff;
  line-height:1;
}
.footer-desc{
  margin-top:16px;
  max-width:290px;
  font-size:13px;
  line-height:1.8;
  color:rgba(255,255,255,.62);
}
.footer-column h4{
  font-size:14px;
  font-weight:700;
  color:#fff;
  margin-bottom:14px;
}
.footer-column ul li a{
  display:block;
  font-size:13px;
  color:rgba(255,255,255,.68);
  padding:4px 0;
  transition:color .2s,padding-left .2s;
}
.footer-column ul li a:hover{color:var(--amber);padding-left:4px}
.footer-column address{
  font-style:normal;
  font-size:13px;
  color:rgba(255,255,255,.58);
  line-height:1.85;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.13);
  padding:20px 0;
}
.footer-bottom-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  font-size:12px;
  color:rgba(255,255,255,.5);
}
.footer-bottom span:first-child{color:rgba(255,255,255,.72)}

/* Responsive */
@media (max-width:1099px){
  .cat-main-grid{
    grid-template-columns:minmax(0,1fr) 270px;
    gap:24px;
  }
  .resource-entry{
    grid-template-columns:140px minmax(0,1fr) auto;
    gap:15px;
  }
  .entry-thumb{width:140px}
  .guide-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:899px){
  .cat-main-grid{grid-template-columns:1fr}
  .cat-sidebar{position:static;display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:8px}
  .cat-hero-grid{grid-template-columns:1fr}
  .contact-card{grid-template-columns:1fr}
  .footer-main{grid-template-columns:1fr 1fr;gap:28px}
  .scenario-grid{grid-template-columns:1fr}
  .resource-entry{
    grid-template-columns:130px minmax(0,1fr);
    padding:12px;
  }
  .entry-side{
    grid-column:1/-1;
    flex-direction:row;
    justify-content:space-between;
    align-items:center;
    padding:0 6px 4px;
  }
  .entry-side time{font-size:12px}
  .entry-link{margin-left:8px}
}
@media (max-width:767px){
  .header-inner{padding-left:16px;padding-right:16px}
  .brand-logo{font-size:19px;gap:7px}
  .logo-mark{width:29px;height:29px;border-radius:8px;font-size:13px}
  .header-action{min-height:38px;padding:0 14px;font-size:13px}
  .cat-hero{padding-top:46px;padding-bottom:46px}
  .cat-hero-side{display:none}
  .breadcrumb{margin-bottom:16px}
  .cat-desc{font-size:15px}
  .hero-actions .btn{min-height:44px;font-size:14px;padding:0 17px}
  .filter-bar-inner{flex-direction:column;align-items:flex-start;gap:10px}
  .cat-main{padding-top:22px}
  .resource-list-head{flex-direction:column;align-items:flex-start;gap:4px}
  .resource-entry{
    grid-template-columns:104px minmax(0,1fr);
    gap:12px;
    padding:10px;
  }
  .entry-thumb{width:104px;border-radius:10px}
  .entry-title{font-size:16px}
  .entry-summary{font-size:13px;-webkit-line-clamp:2}
  .entry-side{grid-column:1/-1;flex-direction:row;align-items:center}
  .entry-side time{font-size:11px}
  .cat-sidebar{grid-template-columns:1fr}
  .pagination{flex-direction:column;align-items:flex-start}
  .guide-grid{grid-template-columns:1fr;gap:12px}
  .guide-strip{padding:26px 20px}
  .contact-block{padding-top:52px;padding-bottom:52px}
  .contact-card{padding:24px 20px}
  .contact-form{padding:20px}
  .form-row{grid-template-columns:1fr}
  .footer-main{grid-template-columns:1fr;gap:24px;padding:42px 0 28px}
  .footer-desc{max-width:none}
  .section-pad{padding-top:52px;padding-bottom:52px}
  .faq-item summary{padding:15px 15px;gap:11px}
  .faq-a{padding:0 17px 20px 60px}
  .scenario-card{min-height:0}
}
@media (max-width:400px){
  .header-action{padding:0 12px;font-size:12px}
  .entry-thumb{width:90px;aspect-ratio:1/1}
  .entry-side time{max-width:70px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .page-number{min-width:32px;height:32px}
}
