/* 成都秀智云上 · 卡券回收平台官网 */
:root {
  --brand: #0c3b3c;
  --brand-mid: #1a6466;
  --accent: #d97706;
  --accent-hot: #c2410c;
  --accent-soft: #fbbf24;
  --text: #1f2937;
  --muted: #5b8a8c;
  --bg: #f0f6f6;
  --white: #fff;
  --shadow: 0 8px 22px rgba(12, 59, 60, 0.08);
  --radius: 10px;
  --container: 1200px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
  touch-action: none;
}

ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: #444; text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent); }
img { max-width: 100%; vertical-align: middle; }
.clearfix::after { content: ""; display: table; clear: both; }
.pull-left { float: left; }
.pull-right { float: right; }
.text-center { text-align: center; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* ========== Header ========== */
.header {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  z-index: 1000;
  padding: 18px 0;
}

.header .container {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 28px;
}

.header .logo {
  display: flex;
  align-items: center;
  gap: 12px;
  float: none;
}

.header .pull-right {
  float: none;
  margin-left: auto;
}

.header .nav-list {
  float: none;
}

.logo-mark {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--accent), var(--accent-soft));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand);
  font-weight: 800;
  font-size: 18px;
  box-shadow: 0 4px 14px rgba(217, 119, 6, 0.35);
}

.logo-text {
  color: var(--white);
  line-height: 1.25;
}

.logo-text strong {
  display: block;
  font-size: 20px;
  letter-spacing: 0.5px;
}

.logo-text span {
  font-size: 12px;
  opacity: 0.75;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: 40px;
  padding-top: 0;
  flex: 1;
}

.nav-list a {
  color: var(--white);
  font-size: 16px;
  padding-bottom: 6px;
  border-bottom: 2px solid transparent;
}

.nav-list a:hover,
.nav-list li.active a {
  color: var(--white);
  border-bottom-color: var(--accent);
}

.login-link {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 8px;
}

.login-link a {
  color: var(--white);
  font-size: 15px;
}

.login-link a.btn-reg {
  background: var(--accent);
  color: var(--white);
  padding: 6px 18px;
  border-radius: 20px;
}

.login-link a.btn-reg:hover {
  background: #b45309;
  color: var(--white);
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(255,255,255,.4);
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 20px;
}

/* ========== Banner ========== */
.banner-index {
  position: relative;
  min-height: 580px;
  padding: 168px 20px 128px;
  text-align: left;
  overflow: hidden;
  color: var(--white);
  background-color: #083c3e;
  background-image:
    radial-gradient(ellipse 70% 55% at 88% 18%, rgba(251, 191, 36, 0.28), transparent 58%),
    radial-gradient(ellipse 50% 60% at 12% 88%, rgba(45, 212, 191, 0.18), transparent 55%),
    radial-gradient(ellipse 40% 40% at 52% 42%, rgba(20, 184, 166, 0.12), transparent 60%),
    linear-gradient(118deg, #041f21 0%, #0a4548 38%, #0f5c5f 68%, #164e3b 100%);
  background-size: cover;
  background-position: center;
}

.banner-index::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, transparent 0%, rgba(255,255,255,.04) 42%, transparent 46%),
    linear-gradient(155deg, transparent 0%, rgba(251,191,36,.08) 58%, transparent 62%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cg fill='none' stroke='%23ffffff' stroke-opacity='0.06'%3E%3Cpath d='M0 80h160M80 0v160'/%3E%3Ccircle cx='80' cy='80' r='36'/%3E%3Ccircle cx='80' cy='80' r='64'/%3E%3C/g%3E%3C/svg%3E");
  background-size: auto, auto, 160px 160px;
  opacity: 1;
  pointer-events: none;
  animation: bannerShimmer 12s ease-in-out infinite;
}

.banner-index::after {
  content: "";
  position: absolute;
  left: -10%;
  right: -10%;
  bottom: -1px;
  height: 140px;
  background:
    radial-gradient(ellipse 80% 100% at 50% 100%, rgba(240,246,246,.2), transparent 70%),
    linear-gradient(to top, rgba(240,246,246,.16), transparent);
  pointer-events: none;
}

.banner-orb {
  position: absolute;
  width: 420px;
  height: 420px;
  right: 6%;
  top: 10%;
  border-radius: 42% 58% 50% 50% / 48% 42% 58% 52%;
  border: 1px solid rgba(255,255,255,.16);
  background:
    radial-gradient(circle at 35% 35%, rgba(251,191,36,.22), transparent 42%),
    radial-gradient(circle at 70% 65%, rgba(45,212,191,.16), transparent 50%);
  box-shadow:
    0 0 0 28px rgba(255,255,255,.025),
    inset 0 0 80px rgba(251,191,36,.08);
  animation: orbPulse 8s ease-in-out infinite;
  pointer-events: none;
  filter: blur(0.2px);
}

.banner-orb::before {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  left: -40px;
  bottom: -20px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.1);
  background: radial-gradient(circle, rgba(20,184,166,.2), transparent 70%);
  animation: orbPulse 6s ease-in-out infinite reverse;
}

@keyframes orbPulse {
  0%, 100% { transform: scale(1) rotate(0deg); opacity: .85; }
  50% { transform: scale(1.06) rotate(4deg); opacity: 1; }
}

@keyframes bannerShimmer {
  0%, 100% { opacity: .9; }
  50% { opacity: 1; }
}

.banner-glow {
  position: absolute;
  width: 520px;
  height: 220px;
  right: -40px;
  bottom: 18%;
  background: linear-gradient(100deg, transparent, rgba(251,191,36,.14), transparent);
  transform: rotate(-12deg);
  filter: blur(18px);
  pointer-events: none;
  animation: glowDrift 9s ease-in-out infinite;
}

@keyframes glowDrift {
  0%, 100% { opacity: .55; transform: rotate(-12deg) translateX(0); }
  50% { opacity: .9; transform: rotate(-10deg) translateX(-18px); }
}

.banner-tt {
  position: relative;
  max-width: var(--container);
  margin: 0 auto 6px;
  padding: 0 20px;
  font-size: 20px;
  font-weight: 700;
  animation: fadeUp .7s ease both;
}

.banner-english {
  position: relative;
  max-width: var(--container);
  margin: 0 auto 18px;
  padding: 0 20px;
  font-size: 12px;
  letter-spacing: 5px;
  opacity: .4;
  font-weight: 700;
  text-transform: uppercase;
  animation: fadeUp .7s ease .1s both;
}

.banner-tt-lg {
  position: relative;
  max-width: var(--container);
  margin: 10px auto 28px;
  padding: 0 20px;
  font-size: 40px;
  font-weight: 800;
  color: var(--accent-soft);
  letter-spacing: 1px;
  animation: fadeUp .7s ease .2s both;
}

.banner-actions {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: flex-start;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeUp .7s ease .3s both;
}

.news-btn {
  display: inline-block;
  min-width: 140px;
  padding: 12px 28px;
  background: var(--accent);
  color: var(--white) !important;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  box-shadow: 0 8px 20px rgba(217,119,6,.32);
  transition: transform .2s, background .2s;
}

.news-btn:hover {
  background: #b45309;
  transform: translateY(-2px);
}

.news-btn.ghost {
  background: transparent;
  border: 2px solid rgba(255,255,255,.55);
  box-shadow: none;
}

.news-btn.ghost:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--accent);
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== Sections ========== */
.back-f9 { background: var(--bg); padding: 48px 0 60px; }

.title {
  font-size: 28px;
  font-weight: 700;
  margin: 36px 0 6px;
}

.title span { color: var(--accent); }
.title-b { margin-top: 56px; }

.title-sm {
  font-size: 13px;
  color: #999;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.title-lind {
  width: 56px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-soft));
  margin: 14px auto 36px;
  border-radius: 2px;
}

/* ========== Card grid ========== */
.k-list {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 14px;
  margin-top: -56px;
  position: relative;
  z-index: 2;
}

.k-list li a {
  display: block;
  background: var(--white);
  border-radius: var(--radius);
  padding: 18px 10px 16px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid rgba(12, 59, 60, 0.06);
  transition: transform .2s, box-shadow .2s, border-color .2s;
  overflow: hidden;
}

.k-list li a:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 30px rgba(12, 59, 60, 0.14);
  border-color: rgba(217, 119, 6, 0.35);
  color: inherit;
}

.k-icon {
  height: 56px;
  margin: 0 6px 10px;
  border-radius: 4px;
  background: #f8fafc;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .3s;
}

.k-list li a:hover .k-icon { background: #eef2ff; }

.card-badge {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  color: #fff;
}

.badge-unicom { background: linear-gradient(135deg, #e60012, #ff4d4f); }
.badge-mobile { background: linear-gradient(135deg, #0085d0, #00a0e9); }
.badge-telecom { background: linear-gradient(135deg, #1a56db, #3b82f6); }
.badge-sinopec { background: linear-gradient(135deg, #c41e3a, #e85d3b); }
.badge-apple { background: linear-gradient(135deg, #333, #666); }
.badge-suning { background: linear-gradient(135deg, #ff6600, #ff8533); }
.badge-petro { background: linear-gradient(135deg, #e6a817, #f5c542); color: #333; }
.badge-iqiyi { background: linear-gradient(135deg, #00cc36, #00e676); color: #083; }
.badge-youku { background: linear-gradient(135deg, #1a8cff, #4da6ff); }
.badge-food { background: linear-gradient(135deg, #00a862, #2ecc71); }
.badge-shop { background: linear-gradient(135deg, #7b5cff, #9b7dff); }
.badge-walmart { background: linear-gradient(135deg, #0071ce, #004c91); }
.badge-tmall { background: linear-gradient(135deg, #ff0036, #ff5a7a); }
.badge-meituan { background: linear-gradient(135deg, #ffc300, #ffd54f); color: #333; }
.badge-jd { background: linear-gradient(135deg, #e1251b, #ff4d4f); }
.badge-default { background: linear-gradient(135deg, var(--brand-mid), var(--muted)); }

.container_rotate p {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.discount {
  margin-top: 8px !important;
  color: var(--accent);
  font-size: 13px !important;
  font-weight: 500 !important;
}

.discount_btn {
  display: none;
  width: 100px;
  margin: 10px auto 0;
  height: 30px;
  line-height: 28px;
  border: 1px solid var(--accent);
  border-radius: 20px;
  font-size: 13px;
  color: #fff;
  background: var(--accent);
  font-weight: 600;
}

.k-list li a:hover .discount { display: none; }
.k-list li a:hover .discount_btn { display: block; }

/* ========== Notice ========== */
.notice-box {
  margin-top: 28px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  box-shadow: var(--shadow);
  gap: 16px;
}

.notice-box::before {
  content: "公告";
  flex-shrink: 0;
  background: var(--accent-hot);
  color: #fff;
  font-size: 12px;
  padding: 2px 10px;
  border-radius: 4px;
  font-weight: 600;
}

.notice-ul {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 32px;
  min-width: 0;
}

.notice-ul li {
  display: flex;
  gap: 12px;
  align-items: center;
  font-size: 14px;
}

.notice-ul li span { color: #999; font-size: 12px; }
.notice-more {
  flex-shrink: 0;
  color: var(--muted);
  font-size: 13px;
}

/* ========== Process ========== */
.lc-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.lc-step {
  background: var(--white);
  border-radius: 12px;
  padding: 28px 20px;
  box-shadow: var(--shadow);
  position: relative;
}

.lc-step .num {
  width: 42px;
  height: 42px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--accent), var(--accent-soft));
  color: var(--brand);
  font-weight: 800;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lc-step h4 {
  margin: 0 0 8px;
  font-size: 18px;
}

.lc-step p {
  margin: 0;
  color: #888;
  font-size: 13px;
}

/* ========== About ========== */
.about-back {
  padding: 72px 0;
  background:
    linear-gradient(135deg, rgba(12,59,60,.94), rgba(26,100,102,.9)),
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  color: var(--white);
}

.about-c {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 52px;
  align-items: center;
}

.about-visual {
  height: 300px;
  border-radius: 20px;
  background:
    radial-gradient(circle at 30% 40%, rgba(217,119,6,.38), transparent 50%),
    linear-gradient(160deg, #155e61, #062526);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.about-visual .big-logo {
  font-size: 64px;
  font-weight: 800;
  letter-spacing: 4px;
  color: rgba(255,255,255,.9);
}

.about-tt {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 6px;
}

.about-tt span { color: var(--accent); }
.about-tt a {
  float: right;
  font-size: 14px;
  color: var(--accent);
  font-weight: 500;
  margin-top: 10px;
}

.about-englist {
  font-size: 12px;
  letter-spacing: 3px;
  opacity: .45;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.about-txt {
  font-size: 15px;
  line-height: 1.9;
  opacity: .9;
  margin-bottom: 28px;
}

.about-feats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.about-feat {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 10px;
  padding: 14px 10px;
  text-align: center;
}

.about-feat strong {
  display: block;
  color: var(--accent);
  font-size: 20px;
  margin-bottom: 4px;
}

.about-feat span { font-size: 12px; opacity: .8; }

/* ========== Product tabs ========== */
.mt-back {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.mt-title {
  font-size: 22px;
  font-weight: 700;
  white-space: nowrap;
}

.mt-title span {
  display: block;
  color: var(--text);
}

.mt-title small {
  font-size: 12px;
  color: #999;
  font-weight: 400;
  letter-spacing: 1px;
}

.slide-right {
  display: flex;
  flex: 1;
  min-width: 280px;
  background: var(--white);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.slide-right .cart {
  flex: 1;
  text-align: center;
  line-height: 56px;
  font-size: 15px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: all .2s;
  position: relative;
}

.slide-right .cart:hover,
.slide-right .cart.active {
  color: var(--brand);
  background: #eef2ff;
}

.slide-right .cart.active::after {
  content: "";
  position: absolute;
  left: 20%;
  right: 20%;
  bottom: 0;
  height: 3px;
  background: var(--accent);
  border-radius: 2px 2px 0 0;
}

.product-panels { position: relative; min-height: 220px; }
.product-panel { display: none; }
.product-panel.active { display: block; }

.product-scroll {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.product-scroll .k-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 18px 12px 16px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform .2s, box-shadow .2s;
}

.product-scroll .k-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(50,50,80,.12);
}

.product-scroll .k-card .discount_btn {
  display: block;
  margin-top: 10px;
  opacity: 0;
  transition: opacity .2s;
}

.product-scroll .k-card:hover .discount_btn {
  opacity: 1;
  background: var(--accent-hot);
  border-color: var(--accent-hot);
}

.product-scroll .k-card:hover .discount { display: block; }

/* ========== Advantages ========== */
.ad-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.ad-back {
  background: var(--white);
  border-radius: 12px;
  padding: 36px 28px;
  box-shadow: var(--shadow);
  transition: transform .25s;
}

.ad-back:hover { transform: translateY(-4px); }

.ad-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  border-radius: 16px;
  background: linear-gradient(135deg, #fff3d6, #ffe08a);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.ad-icon::before {
  content: "";
  width: 22px;
  height: 22px;
  border: 3px solid var(--brand);
  border-radius: 50%;
  border-top-color: transparent;
  transform: rotate(45deg);
}

.ad-icon02 { background: linear-gradient(135deg, #dde7ff, #a8c0ff); }
.ad-icon02::before {
  width: 20px;
  height: 20px;
  border: none;
  border-radius: 0;
  background: var(--brand-mid);
  mask: radial-gradient(circle at center, transparent 35%, #000 36%);
  -webkit-mask: radial-gradient(circle at center, transparent 35%, #000 36%);
  box-shadow: inset 0 0 0 2px var(--brand-mid);
  border: 2px solid var(--brand-mid);
  border-radius: 50%;
  background: transparent;
}

.ad-icon02::after {
  content: "";
  position: absolute;
  width: 2px;
  height: 8px;
  background: var(--brand-mid);
  top: 22px;
  left: 50%;
  margin-left: -1px;
  transform-origin: bottom center;
  transform: rotate(25deg);
  box-shadow: 3px 2px 0 0 var(--brand-mid);
}

.ad-icon03 { background: linear-gradient(135deg, #d4f5e4, #8ee0b0); }
.ad-icon03::before {
  width: 18px;
  height: 22px;
  border: 3px solid #1a7a4c;
  border-radius: 4px 4px 8px 8px;
  transform: none;
  background: transparent;
  box-shadow: inset 0 -6px 0 -3px #1a7a4c;
}

.ad-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}

.ad-txt {
  color: #888;
  font-size: 13px;
  line-height: 1.7;
}

/* ========== Supported cards ========== */
.support-section { padding: 56px 0 40px; }

.kz-list {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.kz-list li a {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 88px;
  background: var(--bg);
  border-radius: 10px;
  transition: transform .2s, background .2s;
}

.kz-list li a:hover {
  background: #e8eefc;
  transform: scale(1.04);
}

.kz-list li.more a {
  color: var(--muted);
  font-weight: 600;
  font-size: 15px;
}

/* ========== News ========== */
.news-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 28px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.news-title span {
  font-size: 13px;
  color: #999;
  font-weight: 400;
  letter-spacing: 2px;
}

.news-title a {
  margin-left: auto;
  font-size: 14px;
  color: var(--muted);
  font-weight: 400;
}

.news-layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 32px;
}

.news-left {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.news-img {
  height: 180px;
  background:
    linear-gradient(135deg, rgba(12,59,60,.72), rgba(217,119,6,.48)),
    linear-gradient(160deg, #155e61, #062526);
  display: flex;
  align-items: flex-end;
  padding: 20px;
  color: #fff;
  font-size: 18px;
  font-weight: 700;
}

.news-body { padding: 20px; }

.news-tt {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
}

.news-tt a { color: var(--text); }
.news-tt a:hover { color: var(--accent); }

.news-date-b {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid #eee;
  color: #999;
  font-size: 13px;
}

.news-date-b a {
  color: var(--accent);
  font-weight: 600;
}

.news-right li {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid #e8e8e8;
}

.news-right li:first-child { padding-top: 0; }

.news-li-r {
  flex-shrink: 0;
  text-align: right;
  color: #bbb;
  font-size: 11px;
  letter-spacing: 1px;
  line-height: 1.4;
}

.news-li-r span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  margin-top: 2px;
}

/* ========== Footer ========== */
.footer {
  background: linear-gradient(180deg, #0a3839 0%, #062526 100%);
  color: rgba(255,255,255,.75);
  padding: 52px 0 0;
  font-size: 13px;
}

.footer a { color: rgba(255,255,255,.75); }
.footer a:hover { color: var(--accent); }

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.footer-tt {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-list li { margin-bottom: 10px; }

.ewm {
  text-align: center;
  color: #fff;
  font-size: 12px;
}

.ewm-placeholder {
  width: 110px;
  height: 110px;
  margin: 0 auto 8px;
  background: #fff;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand);
  font-weight: 700;
  font-size: 13px;
  line-height: 1.3;
}

.footer-lind {
  height: 1px;
  background: rgba(255,255,255,.1);
  margin: 36px 0 24px;
}

.authentication {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: center;
  margin-bottom: 20px;
}

.authentication a {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: rgba(255,255,255,.55);
}

.authentication i {
  width: 20px;
  height: 20px;
  border-radius: 4px;
  display: inline-block;
  flex-shrink: 0;
}

.authentication li:nth-child(1) i { background: var(--accent); }
.authentication li:nth-child(2) i { background: #3b82f6; }
.authentication li:nth-child(3) i { background: #22c55e; }
.authentication li:nth-child(4) i { background: #ef4444; }
.authentication li:nth-child(5) i { background: #a855f7; }

.authentication a:hover { color: #fff; }

.copyright {
  text-align: center;
  padding-bottom: 28px;
  color: rgba(255,255,255,.45);
  font-size: 12px;
  line-height: 1.8;
}

.copyright a { color: rgba(255,255,255,.45); }

/* ========== Float side（随滚动固定在视口） ========== */
.float-r {
  position: fixed !important;
  right: 16px;
  top: auto;
  bottom: 28%;
  transform: none;
  z-index: 1990;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.float-r > * {
  pointer-events: auto;
}

.float-r > a,
.float-r > div {
  width: 64px;
  padding: 12px 6px;
  background: rgba(12, 59, 60, 0.92);
  color: #fff;
  text-align: center;
  border-radius: 8px;
  font-size: 12px;
  cursor: pointer;
  position: relative;
  transition: background .2s, transform .2s, box-shadow .2s;
  line-height: 1.3;
  box-shadow: 0 8px 20px rgba(12, 59, 60, 0.28);
}

.float-r > a:hover,
.float-r > div:hover {
  background: var(--brand-mid);
  color: #fff;
}

.float-r .ico {
  display: block;
  width: 22px;
  height: 22px;
  margin: 0 auto 6px;
  position: relative;
}

.float-r .ico-chat {
  border: 2px solid var(--accent);
  border-radius: 6px 6px 6px 2px;
}

.float-r .ico-phone {
  border: 2px solid var(--accent);
  border-radius: 6px 6px 4px 8px;
  transform: rotate(-20deg);
  width: 16px;
  height: 22px;
}

.float-r .ico-wechat {
  border: 2px solid var(--accent);
  border-radius: 50%;
}

.float-r .ico-wechat::after {
  content: "";
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
  top: 6px;
  left: 4px;
  box-shadow: 6px 0 0 var(--accent);
}

.float-r .ico-top {
  border-left: 2px solid var(--accent);
  border-top: 2px solid var(--accent);
  width: 12px;
  height: 12px;
  transform: rotate(45deg);
  margin-top: 6px;
  margin-bottom: 10px;
}

.float-tip {
  display: none;
  position: absolute;
  right: 74px;
  top: 50%;
  transform: translateY(-50%);
  background: #fff;
  color: var(--text);
  padding: 12px 16px;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,.15);
  white-space: nowrap;
  font-size: 13px;
}

.float-tip::after {
  content: "";
  position: absolute;
  right: -6px;
  top: 50%;
  margin-top: -6px;
  border: 6px solid transparent;
  border-left-color: #fff;
}

.float-r > div:hover .float-tip,
.float-r > a:hover .float-tip { display: block; }

.float-r > a { text-decoration: none; }
.float-r > a.open-chat,
.float-r > button.open-chat {
  border: none;
  font-family: inherit;
  width: 64px;
  padding: 12px 6px;
  background: rgba(12, 59, 60, 0.92);
  color: #fff;
  text-align: center;
  border-radius: 8px;
  font-size: 12px;
  cursor: pointer;
  position: relative;
  line-height: 1.3;
  box-shadow: 0 8px 20px rgba(12, 59, 60, 0.28);
  transition: background .2s, transform .2s, box-shadow .2s;
}
.float-r > button.open-chat:hover,
.float-r > a.open-chat:hover {
  background: var(--brand-mid);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(12, 59, 60, 0.36);
}

/* 在线咨询面板 */
.chat-mask {
  position: fixed;
  inset: 0;
  background: rgba(13, 22, 53, 0.35);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s, visibility .25s;
}
.chat-mask.show {
  opacity: 1;
  visibility: visible;
}

.chat-panel {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 360px;
  max-width: calc(100vw - 24px);
  height: 520px;
  max-height: calc(100vh - 40px);
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 16px 48px rgba(20, 30, 70, 0.28);
  z-index: 2001;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(20px) scale(.96);
  opacity: 0;
  visibility: hidden;
  transition: transform .25s, opacity .25s, visibility .25s;
}
.chat-panel.show {
  transform: translateY(0) scale(1);
  opacity: 1;
  visibility: visible;
}

.chat-head {
  background: linear-gradient(135deg, #0c3b3c, #1a6466);
  color: #fff;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.chat-head .avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--brand);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.chat-head .info { flex: 1; min-width: 0; }
.chat-head .info strong { display: block; font-size: 15px; }
.chat-head .info span {
  font-size: 12px;
  opacity: .8;
}
.chat-head .info span::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #3ddc84;
  margin-right: 5px;
}
.chat-close {
  border: none;
  background: rgba(255,255,255,.15);
  color: #fff;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
}

.chat-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  background: #f4f7fb;
  -webkit-overflow-scrolling: touch;
}

.chat-msg {
  display: flex;
  margin-bottom: 12px;
  gap: 8px;
}
.chat-msg.bot { align-items: flex-start; }
.chat-msg.user {
  flex-direction: row-reverse;
}
.chat-bubble {
  max-width: 78%;
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.6;
  word-break: break-word;
}
.chat-msg.bot .chat-bubble {
  background: #fff;
  color: #333;
  border-top-left-radius: 4px;
  box-shadow: 0 2px 8px rgba(12,59,60,.06);
}
.chat-msg.user .chat-bubble {
  background: var(--brand);
  color: #fff;
  border-top-right-radius: 4px;
}
.chat-bubble a { color: var(--accent); font-weight: 600; }
.chat-msg.user .chat-bubble a { color: #ffe08a; }

.chat-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 4px 0 12px 0;
}
.chat-quick button {
  border: 1px solid #c5d0e8;
  background: #fff;
  color: var(--brand);
  border-radius: 16px;
  padding: 6px 12px;
  font-size: 12px;
  cursor: pointer;
  font-family: inherit;
}
.chat-quick button:hover {
  border-color: var(--accent);
  color: #c47d00;
}

.chat-foot {
  border-top: 1px solid #e8eef6;
  padding: 10px 12px;
  background: #fff;
}
.chat-tools {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}
.chat-tools button {
  flex: 1;
  border: 1px solid #dde3f0;
  background: #f8fafc;
  border-radius: 8px;
  padding: 7px 6px;
  font-size: 12px;
  cursor: pointer;
  color: #555;
  font-family: inherit;
}
.chat-tools button:hover {
  border-color: var(--accent);
  color: var(--brand);
}
.chat-input-row {
  display: flex;
  gap: 8px;
}
.chat-input-row input {
  flex: 1;
  border: 1px solid #dde3f0;
  border-radius: 20px;
  padding: 10px 14px;
  font-size: 13px;
  font-family: inherit;
  outline: none;
}
.chat-input-row input:focus { border-color: var(--brand-mid); }
.chat-input-row button {
  border: none;
  background: var(--accent);
  color: #fff;
  border-radius: 20px;
  padding: 0 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
}
.chat-input-row button:hover { background: #b45309; }

body.chat-open { overflow: hidden; }

@media (max-width: 480px) {
  .chat-panel {
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    max-width: 100%;
    height: min(88vh, 640px);
    max-height: 88vh;
    border-radius: 16px 16px 0 0;
  }
}

/* ========== Inner pages ========== */
.page-banner {
  background: linear-gradient(160deg, #062526, #0c3b3c 50%, #1a6466);
  color: #fff;
  padding: 140px 20px 60px;
  text-align: center;
}

.page-banner h1 {
  margin: 0 0 8px;
  font-size: 32px;
}

.page-banner p {
  margin: 0;
  opacity: .65;
  font-size: 14px;
  letter-spacing: 2px;
}

.page-body { padding: 48px 0 70px; }

.page-header-solid .header {
  position: relative;
  background: var(--brand);
  padding: 16px 0;
}

.page-header-solid .page-banner {
  padding: 48px 20px 48px;
}

/* 文章 / 帮助 / 协议 */
.article-wrap {
  max-width: 860px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid #eef1f6;
  border-radius: 12px;
  padding: 36px 40px;
  box-shadow: var(--shadow);
}

.article-meta {
  color: #999;
  font-size: 13px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid #eee;
}

.article-body h2 {
  font-size: 20px;
  color: var(--brand);
  margin: 28px 0 12px;
}

.article-body h3 {
  font-size: 16px;
  margin: 20px 0 10px;
  color: #333;
}

.article-body p,
.article-body li {
  color: #555;
  line-height: 1.9;
  font-size: 15px;
}

.article-body p { margin: 0 0 14px; }
.article-body ul,
.article-body ol { padding-left: 1.4em; margin: 0 0 16px; }
.article-body li { margin-bottom: 8px; list-style: disc; }
.article-body ol li { list-style: decimal; }

.article-back {
  display: inline-block;
  margin-top: 28px;
  color: var(--muted);
  font-size: 14px;
}

.help-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.help-nav a {
  padding: 8px 16px;
  background: #f4f7fb;
  border-radius: 20px;
  font-size: 13px;
  color: #555;
}

.help-nav a.active,
.help-nav a:hover {
  background: var(--brand);
  color: #fff;
}

.faq-item {
  border: 1px solid #eef1f6;
  border-radius: 10px;
  margin-bottom: 12px;
  overflow: hidden;
  background: #fff;
}

.faq-item summary {
  padding: 16px 18px;
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  list-style: none;
  position: relative;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 18px;
}

.faq-item[open] summary::after { content: "−"; }

.faq-item .faq-a {
  padding: 0 18px 16px;
  color: #666;
  font-size: 14px;
  line-height: 1.8;
}

.sell-form {
  max-width: 640px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid #eef1f6;
  border-radius: 12px;
  padding: 32px;
  box-shadow: var(--shadow);
}

.sell-form .form-section {
  margin: 8px 0 20px;
  padding: 16px 16px 4px;
  background: #f4f7fb;
  border-radius: 10px;
}

.sell-form .form-section-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--brand);
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid #dde3f0;
}

.sell-form label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: 13px;
}

.sell-form select,
.sell-form input,
.sell-form textarea {
  width: 100%;
  border: 1px solid #dde3f0;
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 16px;
  font-family: inherit;
  font-size: 14px;
  background: #fff;
}

.sell-form button {
  width: 100%;
  border: none;
  background: var(--accent);
  color: #fff;
  padding: 12px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}

.sell-form button:hover { background: #b45309; }

.order-list { margin-top: 28px; }
.order-list h3 { margin: 0 0 14px; font-size: 18px; color: var(--brand); }
.order-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid #eee;
  font-size: 14px;
}
.order-item .status { color: var(--accent); font-weight: 600; }

.site-mini-footer .footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  justify-content: center;
  margin-bottom: 14px;
  font-size: 13px;
}
.site-mini-footer .footer-links a { color: rgba(255,255,255,.7); }

@media (max-width: 768px) {
  .article-wrap { padding: 22px 16px; }
  .sell-form { padding: 20px 16px; }
  .order-item { flex-direction: column; gap: 4px; }
}

/* Product page filter */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.filter-bar button {
  border: 1px solid #dde3f0;
  background: #fff;
  padding: 8px 20px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 14px;
  color: #555;
  font-family: inherit;
  transition: all .2s;
}

.filter-bar button.active,
.filter-bar button:hover {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.product-item {
  background: #fff;
  border: 1px solid #eef1f6;
  border-radius: 12px;
  padding: 24px 16px;
  text-align: center;
  transition: box-shadow .2s, transform .2s;
}

.product-item:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.product-item h3 {
  margin: 12px 0 6px;
  font-size: 16px;
}

.product-item .rate {
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 14px;
}

.product-item .btn {
  display: inline-block;
  padding: 8px 24px;
  background: var(--accent);
  color: #fff !important;
  border-radius: 20px;
  font-size: 13px;
}

/* Contact / About cards */
.info-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.info-card {
  background: var(--bg);
  border-radius: 12px;
  padding: 28px 24px;
  text-align: center;
}

.info-card .ico { font-size: 32px; margin-bottom: 12px; }
.info-card h3 { margin: 0 0 8px; font-size: 18px; }
.info-card p { margin: 0; color: #777; }

.contact-form {
  max-width: 560px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid #eef1f6;
  border-radius: 12px;
  padding: 32px;
}

.contact-form label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: 13px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid #dde3f0;
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 16px;
  font-family: inherit;
  font-size: 14px;
}

.contact-form button {
  width: 100%;
  border: none;
  background: var(--accent);
  color: #fff;
  padding: 12px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}

.contact-form button:hover { background: #b45309; }

.qual-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.qual-item {
  background: var(--bg);
  border-radius: 12px;
  padding: 40px 20px;
  text-align: center;
  border: 1px dashed #c5d0e8;
}

.qual-item strong {
  display: block;
  font-size: 18px;
  margin: 12px 0 6px;
  color: var(--brand);
}

.news-list-page li {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid #eee;
}

.news-list-page .date { color: #999; flex-shrink: 0; }

/* Login */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #062526, #0c3b3c 50%, #1a6466);
  padding: 40px 20px;
}

.login-box {
  width: 100%;
  max-width: 420px;
  background: #fff;
  border-radius: 16px;
  padding: 40px 36px;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
}

.login-box h1 {
  margin: 0 0 6px;
  font-size: 24px;
  text-align: center;
  color: var(--brand);
}

.login-box .sub {
  text-align: center;
  color: #999;
  margin-bottom: 28px;
  font-size: 13px;
}

.login-tabs {
  display: flex;
  margin-bottom: 24px;
  border-bottom: 1px solid #eee;
}

.login-tabs button {
  flex: 1;
  border: none;
  background: none;
  padding: 12px;
  font-size: 16px;
  cursor: pointer;
  color: #999;
  font-family: inherit;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.login-tabs button.active {
  color: var(--brand);
  border-bottom-color: var(--accent);
  font-weight: 700;
}

.form-group { margin-bottom: 16px; }

.form-group input {
  width: 100%;
  border: 1px solid #dde3f0;
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 14px;
  font-family: inherit;
}

.btn-submit {
  width: 100%;
  border: none;
  background: var(--accent);
  color: #fff;
  padding: 13px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 8px;
  font-family: inherit;
}

.btn-submit:hover { background: #b45309; }

.login-back {
  display: block;
  text-align: center;
  margin-top: 20px;
  color: #999;
  font-size: 13px;
}

.test-account-tip {
  background: #f4f7fb;
  border: 1px dashed #c5d0e8;
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 18px;
  font-size: 13px;
  color: #555;
  line-height: 1.7;
}

.test-account-tip p { margin: 0; }
.test-account-tip strong { color: var(--brand); }

.btn-fill-test {
  margin-top: 10px;
  width: 100%;
  border: 1px solid var(--brand-mid);
  background: #fff;
  color: var(--brand);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}

.btn-fill-test:hover {
  background: var(--brand);
  color: #fff;
}

/* ========== Responsive ========== */
@media (max-width: 1100px) {
  .k-list { grid-template-columns: repeat(4, 1fr); margin-top: -40px; }
  .product-scroll { grid-template-columns: repeat(3, 1fr); }
  .kz-list { grid-template-columns: repeat(4, 1fr); }
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .nav-list { gap: 18px; margin-left: 20px; }
  .nav-list a { font-size: 15px; }
}

@media (max-width: 900px) {
  .k-list { grid-template-columns: repeat(3, 1fr); }
  .product-scroll { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .mt-back { flex-direction: column; align-items: stretch; }
  .slide-right { width: 100%; }
}

/* 平板 / 手机横屏 */
@media (max-width: 768px) {
  .container { padding: 0 14px; }

  .header {
    padding: 12px 0;
    position: fixed;
    background: rgba(13, 22, 53, 0.72);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }

  .page-header-solid .header {
    position: relative;
    background: var(--brand);
    backdrop-filter: none;
  }

  .header .container {
    gap: 8px;
    position: relative;
  }

  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    order: 2;
    margin-left: auto;
    width: 42px;
    height: 42px;
    flex-shrink: 0;
    z-index: 2;
  }

  .header .logo {
    order: 1;
    min-width: 0;
  }

  .logo-mark {
    width: 38px;
    height: 38px;
    font-size: 16px;
    border-radius: 8px;
  }

  .logo-text strong { font-size: 18px; }
  .logo-text span { font-size: 11px; }

  .header .nav-list,
  .header .pull-right {
    display: none;
    order: 3;
    width: 100%;
    margin: 0;
    flex: none;
  }

  .header.open {
    background: rgba(13, 22, 53, 0.98);
    max-height: 100vh;
    overflow-y: auto;
  }

  .header.open .nav-list,
  .header.open .pull-right {
    display: flex;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 8px 0 0;
    padding: 8px 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
  }

  .nav-list li { width: 100%; }

  .nav-list a {
    display: block;
    padding: 14px 4px;
    font-size: 16px;
    border-bottom: none !important;
    border-left: 3px solid transparent;
    padding-left: 12px;
  }

  .nav-list li.active a,
  .nav-list a:hover {
    border-left-color: var(--accent);
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
  }

  .login-link {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    padding: 12px 0 4px;
    width: 100%;
  }

  .login-link a {
    font-size: 15px;
    padding: 10px 0;
  }

  .login-link a.btn-reg {
    margin-left: auto;
    padding: 8px 20px;
  }

  /* Banner */
  .banner-index {
    min-height: auto;
    padding: 110px 16px 72px;
  }

  .banner-tt { font-size: 18px; }
  .banner-english { letter-spacing: 3px; font-size: 11px; }
  .banner-tt-lg {
    font-size: 26px;
    letter-spacing: 1px;
    margin: 8px 0 22px;
    line-height: 1.35;
  }
  .banner-orb { display: none; }
  .banner-actions { gap: 12px; }
  .news-btn {
    min-width: 120px;
    padding: 11px 20px;
    font-size: 15px;
  }

  /* 热门卡种 */
  .back-f9 { padding: 28px 0 40px; }
  .k-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-top: -36px;
  }
  .k-list li a { padding: 14px 8px 12px; }
  .k-icon { height: 48px; margin: 0 2px 8px; }
  .card-badge { width: 36px; height: 36px; font-size: 12px; border-radius: 8px; }
  .container_rotate p { font-size: 13px; }
  .discount { font-size: 12px !important; margin-top: 6px !important; }
  .k-list li a:hover .discount { display: block; }
  .k-list li a:hover .discount_btn { display: none; }

  /* 公告 */
  .notice-box {
    flex-wrap: wrap;
    padding: 12px 14px;
    gap: 10px;
    margin-top: 18px;
  }
  .notice-box::before { font-size: 11px; }
  .notice-ul {
    flex-direction: column;
    gap: 8px;
    width: 100%;
  }
  .notice-ul li {
    width: 100%;
    justify-content: space-between;
    font-size: 13px;
  }
  .notice-more { width: 100%; text-align: right; }

  /* 标题 / 流程 */
  .title { font-size: 22px; margin: 28px 0 6px; }
  .title-b { margin-top: 40px; }
  .title-lind { margin: 12px auto 24px; }
  .lc-steps {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .lc-step { padding: 20px 16px; }
  .lc-step h4 { font-size: 16px; }

  /* 关于我们 */
  .about-back { padding: 40px 0; }
  .about-c { grid-template-columns: 1fr; gap: 24px; }
  .about-visual { height: 180px; }
  .about-visual .big-logo { font-size: 42px; }
  .about-tt { font-size: 22px; }
  .about-tt a { float: none; display: inline-block; margin-left: 12px; }
  .about-feats { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .about-feat { padding: 12px 6px; }
  .about-feat strong { font-size: 16px; }
  .about-feat span { font-size: 11px; }

  /* 产品类型 */
  .mt-title { font-size: 18px; }
  .slide-right {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .slide-right::-webkit-scrollbar { display: none; }
  .slide-right .cart {
    flex: 0 0 auto;
    padding: 0 16px;
    line-height: 44px;
    font-size: 13px;
    white-space: nowrap;
  }
  .product-scroll {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-top: 16px;
  }
  .product-scroll .k-card { padding: 14px 8px 12px; }
  .product-scroll .k-card .discount_btn {
    opacity: 1;
    margin-top: 8px;
    width: 88px;
    height: 28px;
    line-height: 26px;
    font-size: 12px;
  }

  /* 优势 */
  .ad-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .ad-back { padding: 24px 20px; }
  .ad-title { font-size: 18px; }

  /* 支持卡种 */
  .support-section { padding: 36px 0 28px; }
  .kz-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }
  .kz-list li a { height: 72px; }

  /* 资讯 */
  .news-title {
    font-size: 20px;
    flex-wrap: wrap;
    gap: 6px 10px;
    margin-bottom: 18px;
  }
  .news-title a {
    margin-left: 0;
    width: 100%;
    text-align: right;
  }
  .news-layout { grid-template-columns: 1fr; gap: 16px; }
  .news-img { height: 150px; font-size: 16px; }
  .news-right li { padding: 14px 0; gap: 12px; }
  .news-li-r { font-size: 10px; }
  .news-li-r span { font-size: 12px; }

  /* 页脚 */
  .footer { padding: 36px 0 0; }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px 16px;
  }
  .footer-tt { font-size: 15px; margin-bottom: 12px; }
  .ewm { display: none; }
  .authentication {
    gap: 8px 14px;
    justify-content: flex-start;
  }
  .authentication a { font-size: 11px; }
  .copyright {
    text-align: left;
    padding-bottom: calc(28px + env(safe-area-inset-bottom, 0px));
    font-size: 11px;
  }
  .copyright p { word-break: break-all; }

  /* 右侧悬浮：手机贴右下，仍固定跟随视口 */
  .float-r {
    top: auto !important;
    bottom: calc(20px + env(safe-area-inset-bottom, 0px)) !important;
    right: 12px;
    transform: none !important;
    gap: 6px;
  }
  .float-r > a,
  .float-r > div {
    width: 48px;
    padding: 8px 4px;
    font-size: 10px;
    border-radius: 10px;
  }
  .float-r .float-tip {
    right: auto;
    left: auto;
    bottom: calc(100% + 8px);
    top: auto;
    transform: none;
    white-space: normal;
    width: 160px;
    text-align: left;
  }
  .float-r .float-tip::after {
    right: 18px;
    top: auto;
    bottom: -12px;
    margin-top: 0;
    border: 6px solid transparent;
    border-top-color: #fff;
    border-left-color: transparent;
  }

  /* 内页 */
  .page-banner {
    padding: 36px 16px 36px;
  }
  .page-banner h1 { font-size: 24px; }
  .page-body { padding: 28px 0 48px; }

  .filter-bar {
    gap: 8px;
    margin-bottom: 18px;
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
  }
  .filter-bar button {
    flex: 0 0 auto;
    padding: 8px 14px;
    font-size: 13px;
  }
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .product-item { padding: 18px 10px; }
  .product-item h3 { font-size: 14px; }
  .product-item .rate { font-size: 13px; }
  .product-item .btn { padding: 7px 16px; font-size: 12px; }

  .info-cards,
  .qual-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .contact-form { padding: 20px 16px; }
  .news-list-page li {
    flex-direction: column;
    gap: 6px;
    padding: 16px 0;
  }
  .news-list-page .date { align-self: flex-start; }

  .login-wrap { padding: 24px 14px; align-items: flex-start; padding-top: 48px; }
  .login-box { padding: 28px 20px; border-radius: 14px; }

  .stat-row { grid-template-columns: 1fr !important; }
  .user-panel { padding: 24px 16px !important; }
  .actions { flex-direction: column; }
  .actions a { text-align: center; }
}

/* 小屏手机 */
@media (max-width: 480px) {
  .container { padding: 0 12px; }

  .banner-index { padding: 100px 12px 64px; }
  .banner-tt-lg { font-size: 22px; }
  .banner-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .news-btn { width: 100%; text-align: center; }

  .k-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-top: -28px;
  }
  .container_rotate p {
    font-size: 12px;
    white-space: normal;
    line-height: 1.35;
    min-height: 2.7em;
  }

  .about-feats { grid-template-columns: 1fr; }
  .kz-list { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .kz-list li a { height: 64px; }

  .footer-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr 1fr; gap: 8px; }

  .float-r > .open-chat { display: block; }
}

/* 超窄屏 */
@media (max-width: 360px) {
  .logo-text span { display: none; }
  .banner-tt-lg { font-size: 20px; }
  .product-grid,
  .k-list { grid-template-columns: 1fr 1fr; }
}