/* roulang page: index */
:root{
  --primary:#0f5e68;
  --primary-strong:#0a3b40;
  --primary-soft:#e0eeeb;
  --accent:#c97a47;
  --accent-hover:#d98d5b;
  --accent-soft:#faeade;
  --paper:#f7f3ea;
  --paper-light:#fcfaf5;
  --ink:#1e2e30;
  --muted:#5f7477;
  --line:#e5ded0;
  --deep:#0b3438;
  --deep-soft:#11464c;
  --white:#ffffff;
  --shadow-sm:0 4px 14px rgba(20,42,44,.07);
  --shadow-md:0 12px 28px rgba(20,42,44,.08);
  --shadow-lg:0 18px 40px rgba(20,42,44,.15);
  --radius-sm:10px;
  --radius-md:12px;
  --radius-lg:18px;
  --radius-pill:999px;
  --container-pad:clamp(16px,4vw,40px);
  --section-space:clamp(72px,7.5rem,120px);
}
*,
*::before,
*::after{
  box-sizing:border-box;
}
html{
  scroll-behavior:smooth;
}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,sans-serif;
  background:var(--paper);
  color:var(--ink);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
body.menu-open{
  overflow:hidden;
}
h1,h2,h3,h4,p,figure,ul{
  margin:0;
}
ul{
  padding:0;
  list-style:none;
}
a{
  color:inherit;
  text-decoration:none;
}
img{
  max-width:100%;
  display:block;
}
button,input,select,textarea{
  font:inherit;
  color:inherit;
}
button{
  cursor:pointer;
  border:none;
  background:none;
}
:focus-visible{
  outline:3px solid rgba(201,122,71,.45);
  outline-offset:3px;
}
.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding-left:var(--container-pad);
  padding-right:var(--container-pad);
}
section[id],div[id]{
  scroll-margin-top:96px;
}

/* 顶部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(247,243,234,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(229,222,208,.85);
}
.site-header.scroll{
  box-shadow:var(--shadow-sm);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:76px;
  gap:20px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.brand-mark{
  position:relative;
  width:44px;
  height:34px;
  background:linear-gradient(135deg,var(--primary-strong),var(--primary) 70%,#37747a);
  border-radius:70% 30% 50% 50% / 70% 45% 55% 30%;
  transform:rotate(-6deg);
  box-shadow:0 5px 12px rgba(10,59,64,.18);
}
.brand-mark::after{
  content:"";
  position:absolute;
  width:11px;
  height:11px;
  border-radius:50%;
  background:var(--accent);
  top:-3px;
  right:-3px;
  border:2px solid var(--paper-light);
}
.brand-name{
  font-size:22px;
  font-weight:700;
  letter-spacing:-.4px;
  color:var(--primary-strong);
  line-height:1.2;
}
.brand-text-deco{
  font-size:10px;
  color:var(--muted);
  letter-spacing:.18em;
  text-transform:uppercase;
  font-weight:400;
  margin-left:2px;
}
.nav-area{
  display:flex;
  align-items:center;
  gap:10px;
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:2px;
}
.nav-menu a{
  display:block;
  padding:8px 14px;
  border-radius:var(--radius-pill);
  color:var(--ink);
  font-size:15px;
  line-height:1.4;
  transition:background .22s ease,color .22s ease,transform .22s ease;
  font-weight:500;
  position:relative;
}
.nav-menu a:hover{
  background:rgba(201,122,71,.1);
  color:var(--primary);
}
.nav-menu a.active{
  color:var(--primary-strong);
  font-weight:600;
}
.nav-menu a.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-2px;
  transform:translateX(-50%);
  width:18px;
  height:2px;
  background:var(--accent);
  border-radius:var(--radius-pill);
}
.nav-cta{
  margin-left:10px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 26px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-weight:600;
  font-size:15px;
  line-height:1.2;
  transition:transform .22s ease,background .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.btn-primary{
  background:var(--primary);
  color:#fff;
  box-shadow:0 6px 16px rgba(15,94,104,.22);
}
.btn-primary:hover{
  background:var(--accent);
  transform:translateY(-2px);
  box-shadow:0 10px 22px rgba(201,122,71,.26);
}
.btn-outline{
  background:transparent;
  border-color:rgba(15,94,104,.38);
  color:var(--primary);
}
.btn-outline:hover{
  background:var(--primary-soft);
  border-color:var(--primary);
  transform:translateY(-2px);
}
.btn-light{
  background:#fff;
  color:var(--primary-strong);
}
.btn-light:hover{
  transform:translateY(-2px);
  background:var(--accent-soft);
  color:var(--primary-strong);
}
.menu-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:12px;
  align-items:center;
  justify-content:center;
  background:transparent;
  border:1px solid var(--line);
  position:relative;
  z-index:120;
}
.menu-toggle span,.menu-toggle span::before,.menu-toggle span::after{
  content:"";
  display:block;
  width:20px;
  height:2px;
  border-radius:4px;
  background:var(--primary-strong);
  transition:transform .25s ease,opacity .25s ease;
  position:relative;
}
.menu-toggle span::before{
  position:absolute;
  top:-6px;
  left:0;
}
.menu-toggle span::after{
  position:absolute;
  top:6px;
  left:0;
}
.menu-toggle.open span{
  background:transparent;
}
.menu-toggle.open span::before{
  transform:translateY(6px) rotate(45deg);
}
.menu-toggle.open span::after{
  transform:translateY(-6px) rotate(-45deg);
}

/* Hero */
.hero{
  position:relative;
  padding-top:clamp(42px,6vw,76px);
  padding-bottom:clamp(30px,5vw,62px);
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  right:-8%;
  top:-12%;
  width:44vw;
  height:44vw;
  min-width:340px;
  max-width:640px;
  background:radial-gradient(circle at 20% 20%,rgba(15,94,104,.08),rgba(15,94,104,0) 70%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:1.14fr .86fr;
  gap:clamp(32px,5vw,72px);
  align-items:center;
}
.hero-copy{
  max-width:680px;
}
.eyebrow-pill{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:7px 15px;
  border-radius:var(--radius-pill);
  background:var(--primary-soft);
  color:var(--primary-strong);
  font-size:13px;
  font-weight:600;
  border:1px solid rgba(15,94,104,.14);
}
.status-dot{
  width:8px;
  height:8px;
  border-radius:50%;
  background:#6bb39b;
  box-shadow:0 0 0 3px rgba(107,179,155,.22);
}
.hero h1{
  font-size:clamp(2.5rem,6vw,4rem);
  line-height:1.2;
  letter-spacing:-.6px;
  font-weight:800;
  color:var(--primary-strong);
  margin:24px 0 18px;
  max-width:640px;
}
.hero h1 em{
  font-style:normal;
  color:var(--primary);
}
.hero-sub{
  font-size:17px;
  color:var(--muted);
  line-height:1.85;
  max-width:56ch;
  margin-bottom:32px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.hero-facts{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  padding-top:26px;
  margin-top:42px;
  border-top:1px solid var(--line);
}
.hero-fact strong{
  display:block;
  font-size:24px;
  font-weight:800;
  color:var(--primary);
  line-height:1.2;
  letter-spacing:-.4px;
}
.hero-fact span{
  display:block;
  margin-top:4px;
  font-size:13px;
  color:var(--muted);
  line-height:1.5;
}
.hero-visual{
  position:relative;
}
.hero-frame{
  position:relative;
  aspect-ratio:4/3.4;
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-lg);
  background:linear-gradient(160deg,#0b3438,#123f44);
}
.hero-frame img{
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.94;
  transition:transform .6s ease;
}
.hero-frame .tone-mask{
  position:absolute;
  inset:0;
  background:linear-gradient(200deg,rgba(10,59,64,.05) 0%,rgba(10,59,64,.32) 100%);
  pointer-events:none;
}
.float-card{
  position:absolute;
  background:rgba(255,253,248,.85);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  padding:12px 16px;
  border-radius:14px;
  box-shadow:0 12px 26px rgba(20,42,44,.18);
  border:1px solid rgba(255,255,255,.55);
  width:190px;
  z-index:2;
}
.float-card small{
  display:block;
  color:var(--muted);
  font-size:12px;
  line-height:1.4;
  margin-bottom:2px;
}
.float-card strong{
  color:var(--ink);
  font-size:15px;
  font-weight:700;
  line-height:1.4;
}
.float-card .tag{
  display:inline-block;
  margin-top:4px;
  padding:1px 10px;
  background:var(--accent-soft);
  color:var(--accent);
  border-radius:var(--radius-pill);
  font-size:12px;
  font-weight:600;
}
.float-card.fc-left{
  left:16px;
  bottom:18px;
}
.float-card.fc-right{
  right:16px;
  top:20px;
  text-align:right;
  background:rgba(10,59,64,.86);
}
.float-card.fc-right small{
  color:rgba(255,255,255,.7);
}
.float-card.fc-right strong{
  color:#fff;
}
.float-card.fc-right .tag{
  background:rgba(201,122,71,.2);
  color:#f6c6a4;
}
.hero-wave{
  position:relative;
  height:72px;
  margin-top:-2px;
  overflow:hidden;
}
.hero-wave svg{
  width:100%;
  height:72px;
  display:block;
}

/* Section base */
.section{
  padding:var(--section-space) 0;
}
.section-soft{
  background:var(--paper-light);
  border-top:1px solid rgba(229,222,208,.6);
  border-bottom:1px solid rgba(229,222,208,.6);
}
.section-head{
  max-width:680px;
  margin-bottom:48px;
}
.section-head.center{
  margin-left:auto;
  margin-right:auto;
  text-align:center;
}
.eyebrow{
  display:block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--accent);
  margin-bottom:12px;
  text-transform:uppercase;
}
.section-head h2,
.section-title{
  font-size:clamp(1.55rem,2.4vw,2.3rem);
  line-height:1.35;
  font-weight:800;
  color:var(--primary-strong);
  letter-spacing:-.3px;
}
.section-head p{
  margin-top:16px;
  color:var(--muted);
  font-size:16px;
  line-height:1.8;
}

/* 服务区 */
.service-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.7fr);
  gap:clamp(32px,5vw,78px);
  align-items:start;
}
.service-side{
  position:sticky;
  top:110px;
  padding-right:10px;
}
.service-side .angle-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--accent);
  color:var(--accent);
  font-size:26px;
  line-height:1;
  margin-top:28px;
}
.service-list{
  border-bottom:1px solid var(--line);
}
.service-row{
  display:grid;
  grid-template-columns:66px 1fr auto;
  gap:20px;
  align-items:center;
  padding:24px 12px 24px 4px;
  border-top:1px solid var(--line);
  transition:transform .24s ease,background .24s ease,padding .24s ease;
  border-radius:12px;
}
.service-row:hover{
  transform:translateX(5px);
  background:rgba(15,94,104,.035);
}
.service-no{
  font-size:30px;
  font-weight:800;
  color:#c7d8d3;
  letter-spacing:-.5px;
  transition:color .22s ease;
}
.service-row:hover .service-no{
  color:var(--accent);
}
.service-main strong{
  display:block;
  font-size:19px;
  color:var(--primary-strong);
  font-weight:700;
  line-height:1.4;
}
.service-main p{
  margin-top:6px;
  color:var(--muted);
  font-size:15px;
  line-height:1.7;
  max-width:520px;
}
.service-icon{
  width:52px;
  height:52px;
  border-radius:50%;
  background:var(--primary-soft);
  border:1px solid rgba(15,94,104,.12);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--primary);
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.service-row:hover .service-icon{
  background:var(--accent-soft);
  color:var(--accent);
  transform:rotate(-12deg) scale(1.04);
}
.service-icon svg{
  width:24px;
  height:24px;
  stroke:currentColor;
  stroke-width:1.6;
}
.arrow-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary);
  font-size:14px;
  font-weight:600;
  margin-top:34px;
  transition:color .2s ease;
}
.arrow-link svg{
  width:20px;
  height:20px;
  transition:transform .2s ease;
}
.arrow-link:hover{
  color:var(--accent);
}
.arrow-link:hover svg{
  transform:translateX(3px);
}

/* 优势数据区 */
.stats-section{
  background:var(--deep);
  position:relative;
  overflow:hidden;
}
.stats-section::before{
  content:"";
  position:absolute;
  right:-60px;
  top:-120px;
  width:480px;
  height:360px;
  background:
    repeating-linear-gradient(135deg,rgba(255,255,255,.025) 0 2px,transparent 2px 36px);
  transform:rotate(-12deg);
  pointer-events:none;
}
.stats-inner{
  color:#eef3ee;
}
.stats-inner .section-head h2{
  color:#f7f3ea;
}
.stats-inner .section-head p{
  color:rgba(247,243,234,.72);
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  background:rgba(255,255,255,.05);
  border-radius:var(--radius-lg);
  border:1px solid rgba(255,255,255,.08);
  margin-top:20px;
}
.stat-cell{
  padding:36px 32px;
}
.stat-cell + .stat-cell{
  border-left:1px solid rgba(255,255,255,.1);
}
.stat-cell strong{
  display:block;
  font-size:clamp(2.2rem,4.5vw,3.5rem);
  line-height:1.1;
  color:#e9a576;
  font-weight:800;
  letter-spacing:-.5px;
}
.stat-cell b{
  display:block;
  font-size:15px;
  color:#f7f3ea;
  font-weight:600;
  margin-top:10px;
}
.stat-cell span{
  display:block;
  font-size:13px;
  color:rgba(247,243,234,.68);
  margin-top:6px;
  line-height:1.6;
}

/* 案例 */
.case-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:clamp(28px,3.6vw,52px);
}
.case-card{
  grid-column:1/7;
  position:relative;
}
.case-card:nth-of-type(even){
  grid-column:7/13;
}
.case-card:nth-of-type(3){
  grid-column:1/7;
}
.case-media{
  position:relative;
  aspect-ratio:16/10;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:linear-gradient(150deg,#0b3438,#2a777c);
  box-shadow:var(--shadow-md);
}
.case-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .55s ease;
}
.case-card:hover .case-media img{
  transform:scale(1.04);
}
.case-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(200deg,rgba(10,59,64,.08),rgba(10,59,64,.28));
  pointer-events:none;
}
.case-badge{
  position:absolute;
  top:16px;
  left:16px;
  z-index:2;
  background:rgba(255,253,248,.9);
  backdrop-filter:blur(6px);
  padding:4px 13px;
  border-radius:var(--radius-pill);
  font-size:13px;
  font-weight:600;
  color:var(--primary);
}
.case-info{
  margin-top:16px;
  display:flex;
  gap:20px;
  align-items:flex-start;
  justify-content:space-between;
  background:rgba(255,253,248,.65);
  padding:16px;
  border-radius:var(--radius-md);
  border:1px solid rgba(229,222,208,.7);
}
.case-text{
  flex:1;
}
.case-text h3{
  font-size:18px;
  color:var(--primary-strong);
  line-height:1.45;
  font-weight:700;
}
.case-text p{
  margin-top:8px;
  color:var(--muted);
  font-size:14px;
  line-height:1.75;
}
.case-metric{
  flex-shrink:0;
  text-align:right;
  min-width:82px;
}
.case-metric strong{
  display:block;
  color:var(--accent);
  font-size:22px;
  line-height:1.2;
}
.case-metric span{
  font-size:12px;
  color:var(--muted);
}
.case-bottom-link{
  margin-top:42px;
  text-align:center;
}

/* 方案 Tabs */
.plans-section{
  background:var(--paper-light);
}
.tabs-bar{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:34px;
  border-bottom:1px solid var(--line);
  padding-bottom:8px;
}
.tab-btn{
  display:inline-flex;
  flex-direction:column;
  gap:2px;
  padding:10px 22px;
  border-radius:var(--radius-pill) var(--radius-pill) 0 0;
  color:var(--muted);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:color .22s ease,background .22s ease;
}
.tab-btn small{
  font-weight:400;
  font-size:12px;
  color:var(--muted);
}
.tab-btn.active{
  color:var(--primary-strong);
  border-color:var(--line);
  border-bottom-color:var(--paper-light);
  background:var(--paper-light);
}
.tab-btn.active::after{
  content:"";
  display:block;
  height:3px;
  width:28px;
  background:var(--accent);
  border-radius:var(--radius-pill);
  margin-top:6px;
}
.tab-pane{
  display:none;
  grid-template-columns:1.4fr .9fr;
  gap:clamp(28px,4vw,64px);
  padding:40px 0 12px;
}
.tab-pane.active{
  display:grid;
}
.feature-col h3{
  font-size:22px;
  color:var(--primary-strong);
  margin-bottom:8px;
}
.feature-col > p{
  color:var(--muted);
  margin-bottom:22px;
}
.feature-list{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:14px;
}
.feature-list li{
  position:relative;
  padding:10px 10px 10px 36px;
  background:rgba(255,255,255,.75);
  border:1px solid rgba(229,222,208,.65);
  border-radius:var(--radius-md);
  font-size:14px;
  color:var(--ink);
  line-height:1.6;
}
.feature-list li::before{
  content:"✓";
  position:absolute;
  left:12px;
  top:10px;
  width:18px;
  height:18px;
  color:var(--primary);
  font-weight:700;
  font-size:14px;
}
.price-col-card{
  position:relative;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:30px;
  box-shadow:var(--shadow-md);
}
.price-col-card.best-value{
  border-color:var(--accent);
  box-shadow:0 16px 34px rgba(201,122,71,.15);
}
.best-tag{
  position:absolute;
  top:-13px;
  right:24px;
  background:var(--accent);
  color:#fff;
  padding:4px 14px;
  border-radius:var(--radius-pill);
  font-size:12px;
  font-weight:700;
}
.price-name{
  font-size:16px;
  font-weight:600;
  color:var(--muted);
}
.price{
  font-size:34px;
  font-weight:800;
  color:var(--primary-strong);
  line-height:1.3;
  margin-top:8px;
}
.price small{
  font-size:13px;
  color:var(--muted);
  font-weight:400;
}
.price-note{
  color:var(--muted);
  font-size:13px;
  line-height:1.7;
  margin-top:10px;
  padding-bottom:20px;
  border-bottom:1px solid var(--line);
}
.price-desc{
  margin-top:20px;
  color:var(--ink);
  font-size:14px;
  line-height:1.75;
}
.price-col-card .btn{
  width:100%;
  margin-top:24px;
}

/* FAQ */
.faq-section{
  background:var(--paper);
}
.faq-grid{
  display:grid;
  grid-template-columns:1fr 1.45fr;
  gap:clamp(28px,5vw,80px);
  align-items:start;
}
.faq-side{
  max-width:340px;
}
.faq-list{
  border-top:1px solid var(--line);
}
.faq-item{
  border-bottom:1px solid var(--line);
  background:rgba(255,252,248,.6);
  border-radius:0;
  padding:0 4px;
}
.faq-q{
  display:flex;
  align-items:center;
  gap:14px;
  width:100%;
  text-align:left;
  padding:20px 4px;
  background:transparent;
  color:var(--primary-strong);
  font-weight:700;
  font-size:16px;
  line-height:1.55;
}
.q-bubble{
  width:32px;
  height:32px;
  flex-shrink:0;
  border-radius:50%;
  background:var(--primary-soft);
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  font-weight:800;
}
.faq-q .plus{
  margin-left:auto;
  font-size:22px;
  color:var(--muted);
  transition:transform .2s ease,color .2s ease;
}
.faq-item.active .faq-q .plus{
  transform:rotate(45deg);
  color:var(--accent);
}
.faq-icon{
  margin-left:auto;
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .22s ease;
}
.faq-a-inner{
  padding:0 20px 22px 46px;
  position:relative;
}
.faq-a-inner::before{
  content:"";
  position:absolute;
  left:20px;
  top:2px;
  bottom:6px;
  width:3px;
  border-radius:var(--radius-pill);
  background:var(--accent);
}
.faq-a-inner p{
  color:var(--muted);
  font-size:15px;
  line-height:1.85;
}

/* CTA 内链条 */
.cta-banner{
  background:var(--primary-strong);
  border-radius:var(--radius-lg);
  padding:clamp(28px,4vw,56px);
  color:#f1f0e8;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  position:relative;
  overflow:hidden;
}
.cta-banner::before{
  content:"";
  position:absolute;
  right:-40px;
  top:-40px;
  width:220px;
  height:220px;
  border:2px solid rgba(255,255,255,.08);
  border-radius:50%;
}
.cta-banner h2{
  font-size:clamp(1.3rem,2.4vw,2rem);
  line-height:1.4;
}
.cta-banner p{
  color:rgba(247,243,234,.76);
  margin-top:8px;
  max-width:460px;
}

/* 联系区 */
.contact-section{
  background:
    radial-gradient(ellipse at 80% 0%,rgba(15,94,104,.06),transparent 40%),
    var(--paper);
}
.contact-wrap{
  display:grid;
  grid-template-columns:.8fr 1.2fr;
  gap:clamp(30px,5vw,80px);
  align-items:start;
}
.contact-side{
  max-width:420px;
}
.contact-row-card{
  display:flex;
  align-items:flex-start;
  gap:16px;
  margin-top:24px;
  padding:18px;
  background:rgba(255,252,248,.66);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
}
.contact-ico{
  width:42px;
  height:42px;
  border-radius:12px;
  background:var(--primary-soft);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--primary);
  flex-shrink:0;
}
.contact-ico svg{
  width:21px;
  height:21px;
}
.contact-row-card strong{
  display:block;
  color:var(--ink);
  font-weight:700;
  font-size:15px;
}
.contact-row-card span{
  display:block;
  color:var(--muted);
  font-size:13px;
  margin-top:4px;
  line-height:1.6;
}
.contact-form-card{
  background:var(--paper-light);
  border:1px solid rgba(229,222,208,.8);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-md);
  padding:clamp(24px,3vw,40px);
}
.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}
.form-group{
  display:flex;
  flex-direction:column;
}
.form-group.full{
  grid-column:1/-1;
}
.form-group label{
  font-size:13px;
  font-weight:600;
  color:var(--primary-strong);
  margin-bottom:8px;
}
.form-group input,
.form-group select,
.form-group textarea{
  width:100%;
  min-height:48px;
  border:1px solid #ddd6ca;
  border-radius:12px;
  background:#fff;
  padding:10px 14px;
  transition:border-color .22s ease,box-shadow .22s ease;
  line-height:1.5;
}
.form-group textarea{
  resize:vertical;
  min-height:116px;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(15,94,104,.13);
}
.form-note{
  font-size:12px;
  color:var(--muted);
  line-height:1.7;
  margin-top:14px;
}
.form-submit-row{
  display:flex;
  justify-content:flex-end;
  align-items:center;
  gap:14px;
  margin-top:24px;
  flex-wrap:wrap;
}
.form-submit-row .btn{
  min-width:142px;
}

/* 页脚 */
.site-footer{
  background:#0a3438;
  color:rgba(247,243,234,.82);
  padding-top:66px;
  position:relative;
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent),var(--primary));
  opacity:.6;
}
.footer-top{
  display:grid;
  grid-template-columns:2fr 1.3fr 1.3fr .9fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand .brand-name{
  color:var(--paper-light);
  font-size:24px;
}
.footer-brand p{
  margin-top:14px;
  color:rgba(247,243,234,.62);
  font-size:14px;
  line-height:1.8;
  max-width:290px;
}
.footer-col-name{
  color:var(--paper-light);
  font-size:15px;
  font-weight:700;
  margin-bottom:16px;
}
.footer-col li + li{
  margin-top:10px;
}
.footer-col a{
  color:rgba(247,243,234,.72);
  font-size:14px;
  transition:color .2s ease;
}
.footer-col a:hover{
  color:var(--accent-hover);
}
.footer-bottom{
  border-top:1px solid rgba(247,243,234,.12);
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:20px 0 30px;
  flex-wrap:wrap;
  gap:12px;
  font-size:13px;
  color:rgba(247,243,234,.62);
}
.back-top{
  display:inline-flex;
  align-items:center;
  gap:6px;
  border:1px solid rgba(247,243,234,.2);
  border-radius:var(--radius-pill);
  padding:6px 14px;
  color:rgba(247,243,234,.84);
  font-size:13px;
  transition:border-color .2s ease,background .2s ease,color .2s ease;
}
.back-top:hover{
  border-color:var(--accent);
  color:var(--accent-hover);
  background:rgba(255,255,255,.04);
}

/* 响应式 */
@media (max-width:1100px){
  .menu-toggle{
    display:inline-flex;
    margin-left:8px;
  }
  .nav-area{
    gap:0;
  }
  .nav-menu{
    position:fixed;
    inset:76px 16px auto auto;
    width:min(340px,86vw);
    background:var(--paper-light);
    border:1px solid var(--line);
    border-radius:18px;
    padding:14px;
    box-shadow:var(--shadow-lg);
    flex-direction:column;
    align-items:stretch;
    opacity:0;
    visibility:hidden;
    transform:translateY(-8px);
    transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
    z-index:110;
  }
  .nav-menu.open{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
  }
  .nav-menu a{
    padding:13px 16px;
    border-radius:12px;
  }
  .nav-menu a.active::after{
    left:20px;
    top:50%;
    bottom:auto;
    transform:translateY(-50%);
    width:4px;
    height:18px;
  }
  .nav-menu .nav-cta{
    margin:8px 0 0;
    width:100%;
    justify-content:center;
  }
  .hero-inner{
    grid-template-columns:1fr;
    gap:40px;
  }
  .hero-visual{
    max-width:620px;
  }
  .service-layout{
    grid-template-columns:1fr;
  }
  .service-side{
    position:static;
  }
  .case-grid{
    grid-template-columns:1fr;
  }
  .case-card,
  .case-card:nth-of-type(even),
  .case-card:nth-of-type(3){
    grid-column:1/-1;
  }
  .footer-top{
    grid-template-columns:1fr 1fr;
    gap:30px;
  }
  .contact-wrap{
    grid-template-columns:1fr;
  }
  .faq-grid{
    grid-template-columns:1fr;
  }
  .faq-side{
    max-width:none;
  }
}
@media (max-width:768px){
  .section{
    --section-space:clamp(58px,7rem,84px);
  }
  .hero-facts{
    grid-template-columns:repeat(2,1fr);
    gap:16px;
  }
  .hero-fact strong{
    font-size:21px;
  }
  .header-inner{
    height:68px;
  }
  .brand-name{
    font-size:20px;
  }
  .stat-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .stat-cell:nth-child(3){
    border-left:0;
    border-top:1px solid rgba(255,255,255,.1);
  }
  .stat-cell:nth-child(2){
    border-left:0;
  }
  .stat-cell:nth-child(4){
    border-top:1px solid rgba(255,255,255,.1);
  }
  .case-info{
    flex-direction:column;
    gap:12px;
  }
  .case-metric{
    text-align:left;
  }
  .tab-pane.active{
    grid-template-columns:1fr;
  }
  .feature-list{
    grid-template-columns:1fr;
  }
  .form-grid{
    grid-template-columns:1fr;
  }
  .contact-form-card{
    padding:22px;
  }
  .footer-top{
    grid-template-columns:1fr;
    gap:26px;
  }
  .footer-brand p{
    max-width:100%;
  }
  .float-card{
    width:154px;
  }
  .float-card.fc-right{
    right:-6px;
    top:8px;
  }
  .float-card.fc-left{
    left:-6px;
    bottom:10px;
  }
  .cta-banner{
    padding:28px;
  }
  .hero-actions .btn{
    width:100%;
  }
}
@media (max-width:520px){
  .brand-text-deco{
    display:none;
  }
  .hero-frame{
    aspect-ratio:4/4.1;
  }
  .service-row{
    grid-template-columns:1fr;
    gap:10px;
  }
  .service-icon{
    width:44px;
    height:44px;
  }
  .case-card{
    min-width:0;
  }
  .stat-cell{
    padding:24px 18px;
  }
  .stat-cell strong{
    font-size:2rem;
  }
  .tab-btn{
    padding:8px 14px;
    font-size:14px;
  }
  .footer-bottom{
    flex-direction:column;
    align-items:flex-start;
  }
}

/* roulang page: category1 */
:root{
  --primary:#0f5e68;
  --primary-strong:#0a3b40;
  --primary-soft:#e0eeeb;
  --accent:#c97a47;
  --accent-hover:#d98d5b;
  --accent-soft:#faeade;
  --paper:#f7f3ea;
  --paper-light:#fcfaf5;
  --ink:#1e2e30;
  --muted:#5f7477;
  --line:#e5ded0;
  --deep:#0b3438;
  --deep-soft:#11464c;
  --white:#ffffff;
  --shadow-sm:0 4px 14px rgba(20,42,44,.07);
  --shadow-md:0 12px 28px rgba(20,42,44,.08);
  --shadow-lg:0 18px 40px rgba(20,42,44,.15);
  --radius-sm:10px;
  --radius-md:12px;
  --radius-lg:18px;
  --radius-pill:999px;
  --container-pad:clamp(16px,4vw,40px);
  --section-space:clamp(72px,7.5rem,120px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,sans-serif;
  background:var(--paper);
  color:var(--ink);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
ul{padding:0;margin:0;list-style:none}
h1,h2,h3,h4,p{margin-top:0}
h1,h2,h3{line-height:1.35;color:var(--primary-strong);font-weight:700}
h1 em,h2 em{font-style:normal;color:var(--primary)}
.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding-left:var(--container-pad);
  padding-right:var(--container-pad);
}
section[id],div[id]{scroll-margin-top:96px}
:focus-visible{outline:3px solid rgba(201,122,71,.55);outline-offset:2px;border-radius:6px}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 26px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-weight:600;
  font-size:15px;
  line-height:1.2;
  transition:transform .22s ease,background .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(15,94,104,.22)}
.btn-primary:hover{background:var(--accent);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(201,122,71,.26)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(201,122,71,.2)}
.btn-outline{background:transparent;border-color:rgba(15,94,104,.38);color:var(--primary)}
.btn-outline:hover{background:var(--primary-soft);border-color:var(--primary);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--primary-strong);border-color:rgba(255,255,255,.1)}
.btn-light:hover{background:var(--accent-soft);color:var(--primary-strong);transform:translateY(-2px)}

/* 顶部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(247,243,234,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(229,222,208,.85);
}
.site-header.scroll{box-shadow:var(--shadow-sm)}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:76px;
  gap:20px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.brand-mark{
  position:relative;
  width:44px;
  height:34px;
  background:linear-gradient(135deg,var(--primary-strong),var(--primary) 70%,#37747a);
  border-radius:70% 30% 50% 50% / 70% 45% 55% 30%;
  transform:rotate(-6deg);
  box-shadow:0 5px 12px rgba(10,59,64,.18);
}
.brand-mark::after{
  content:"";
  position:absolute;
  width:11px;
  height:11px;
  border-radius:50%;
  background:var(--accent);
  top:-3px;
  right:-3px;
  border:2px solid var(--paper-light);
}
.brand-name{
  font-size:22px;
  font-weight:700;
  letter-spacing:-.4px;
  color:var(--primary-strong);
  line-height:1.2;
}
.nav-area{display:flex;align-items:center;gap:10px}
.nav-menu{display:flex;align-items:center;gap:2px}
.nav-menu a{
  display:block;
  padding:8px 14px;
  border-radius:var(--radius-pill);
  color:var(--ink);
  font-size:15px;
  line-height:1.4;
  transition:background .22s ease,color .22s ease;
  font-weight:500;
  position:relative;
}
.nav-menu a:hover{background:rgba(201,122,71,.1);color:var(--primary)}
.nav-menu a.active{color:var(--primary-strong);font-weight:600}
.nav-menu a.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-2px;
  transform:translateX(-50%);
  width:18px;
  height:2px;
  background:var(--accent);
  border-radius:var(--radius-pill);
}
.nav-cta{margin-left:10px}
.menu-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:12px;
  align-items:center;
  justify-content:center;
  background:transparent;
  border:1px solid var(--line);
  position:relative;
  z-index:120;
}
.menu-toggle span,.menu-toggle span::before,.menu-toggle span::after{
  content:"";
  display:block;
  width:20px;
  height:2px;
  border-radius:4px;
  background:var(--primary-strong);
  transition:transform .25s ease,opacity .25s ease;
  position:relative;
}
.menu-toggle span::before{position:absolute;top:-6px;left:0}
.menu-toggle span::after{position:absolute;top:6px;left:0}
.menu-toggle.open span{background:transparent}
.menu-toggle.open span::before{transform:translateY(6px) rotate(45deg)}
.menu-toggle.open span::after{transform:translateY(-6px) rotate(-45deg)}

/* 分类页头 */
.cat-banner{
  position:relative;
  padding:clamp(52px,7vw,86px) 0 clamp(40px,5vw,64px);
  background:
    linear-gradient(rgba(252,250,245,.93),rgba(247,243,234,.86)),
    url("/assets/images/backpic/back-4.jpg") center/cover no-repeat;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.cat-banner::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:4px;
  background:linear-gradient(90deg,var(--primary),var(--accent) 35%,transparent);
  opacity:.55;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:26px;
}
.breadcrumb a{transition:color .2s}
.breadcrumb a:hover{color:var(--primary)}
.banner-grid{
  display:grid;
  grid-template-columns:1.35fr .75fr;
  gap:clamp(30px,5vw,70px);
  align-items:center;
}
.banner-copy h1{
  font-size:clamp(2.1rem,4.4vw,3.4rem);
  font-weight:800;
  letter-spacing:-.8px;
  line-height:1.22;
  margin-bottom:20px;
  color:var(--primary-strong);
}
.banner-copy h1 span{color:var(--primary)}
.banner-desc{
  font-size:16px;
  color:var(--ink);
  max-width:620px;
  margin-bottom:22px;
}
.breadcrumb-sep{opacity:.5}
.banner-note{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  color:var(--muted);
  font-size:14px;
}
.banner-note span{display:inline-flex;align-items:center;gap:8px}
.banner-note span::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--accent);
  flex-shrink:0;
}
.helper-panel{
  background:rgba(255,255,255,.72);
  border:1px solid rgba(229,222,208,.9);
  border-radius:var(--radius-lg);
  padding:24px 26px;
  backdrop-filter:blur(12px);
  box-shadow:var(--shadow-md);
}
.panel-title{
  font-weight:700;
  font-size:16px;
  color:var(--primary-strong);
  margin-bottom:18px;
  display:flex;
  align-items:center;
  gap:10px;
}
.panel-title::before{
  content:"";
  width:4px;height:18px;
  background:var(--accent);
  border-radius:4px;
}
.mini-flow li{
  display:flex;
  align-items:center;
  gap:14px;
  padding:11px 0;
  border-bottom:1px dashed rgba(229,222,208,.95);
  font-size:15px;
  color:var(--ink);
  transition:transform .2s ease,color .2s ease;
}
.mini-flow li:last-child{border-bottom:none}
.mini-flow li:hover{transform:translateX(5px);color:var(--primary)}
.mini-flow .num{
  width:30px;height:30px;
  border-radius:50%;
  background:var(--primary-soft);
  color:var(--primary-strong);
  font-size:13px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.mini-flow strong{font-weight:600;color:var(--primary-strong);margin-right:2px}

/* 筛选条 */
.filter-section{padding-top:clamp(32px,4vw,50px)}
.filter-strip{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
}
.filter-pill{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:40px;
  padding:0 20px;
  border-radius:var(--radius-pill);
  border:1px solid #dcd4c5;
  background:transparent;
  color:var(--ink);
  font-size:14px;
  font-weight:500;
  transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease;
  white-space:nowrap;
}
.filter-pill:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px)}
.filter-pill.active{
  background:var(--primary);
  border-color:var(--primary);
  color:#fff;
  box-shadow:0 4px 14px rgba(15,94,104,.2);
}

/* 内容列表 */
.category-main{
  padding:var(--section-space) 0 clamp(56px,7rem,100px);
}
.feature-card{
  display:grid;
  grid-template-columns:1fr .92fr;
  background:var(--paper-light);
  border:1px solid var(--line);
  border-radius:22px;
  overflow:hidden;
  box-shadow:var(--shadow-md);
  margin-bottom:44px;
  transition:box-shadow .25s ease,transform .25s ease;
}
.feature-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.feature-body{
  padding:clamp(26px,4vw,48px);
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.feature-tag{
  align-self:flex-start;
  padding:5px 14px;
  border-radius:var(--radius-pill);
  background:var(--accent-soft);
  color:#a15f32;
  font-size:13px;
  font-weight:600;
  margin-bottom:18px;
}
.feature-body h2{
  font-size:clamp(1.45rem,2.4vw,2rem);
  margin-bottom:14px;
}
.feature-body > p{color:var(--muted);font-size:15px;margin-bottom:22px;max-width:540px}
.step-list{margin-bottom:26px}
.step-list li{
  position:relative;
  padding-left:26px;
  font-size:15px;
  color:var(--ink);
  margin-bottom:10px;
}
.step-list li::before{
  content:"";
  position:absolute;
  left:4px;top:11px;
  width:9px;height:9px;
  border-radius:50%;
  background:var(--accent);
  opacity:.85;
}
.feature-meta{
  margin-top:24px;
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
}
.feature-media{position:relative;min-height:260px;background:linear-gradient(140deg,var(--deep-soft),var(--deep))}
.feature-media img{
  width:100%;
  height:100%;
  min-height:100%;
  aspect-ratio:16/11;
  object-fit:cover;
}
.feature-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(15,94,104,.08),rgba(15,94,104,0));
  pointer-events:none;
}

/* 两列小卡片 */
.guide-card-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.guide-card{
  display:flex;
  align-items:stretch;
  background:var(--paper-light);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  padding:14px;
  box-shadow:var(--shadow-sm);
  transition:box-shadow .22s ease,transform .22s ease;
}
.guide-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.guide-thumb{
  width:88px;
  flex-shrink:0;
  border-radius:var(--radius-md);
  overflow:hidden;
  background:linear-gradient(150deg,#ccdcd8,#0f5e68);
}
.guide-thumb img{
  width:88px;
  height:100%;
  min-height:150px;
  object-fit:cover;
  transition:transform .3s ease;
}
.guide-card:hover .guide-thumb img{transform:scale(1.06)}
.guide-card-body{
  display:flex;
  flex-direction:column;
  gap:5px;
  padding:8px 4px 6px 18px;
  min-width:0;
}
.guide-card-body h3{
  font-size:16px;
  margin:0;
  color:var(--primary-strong);
}
.guide-card-body p{
  font-size:14px;
  color:var(--muted);
  margin:0;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-label{
  font-size:12px;
  color:var(--accent);
  font-weight:600;
}
.card-date{
  font-size:12px;
  color:#91a0a2;
  margin-top:auto;
}

/* 分页 */
.pagination-wrap{
  display:flex;
  justify-content:center;
  padding-top:52px;
}
.page-list{
  display:flex;
  align-items:center;
  gap:8px;
}
.page-list a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:40px;
  height:40px;
  padding:0 12px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:var(--paper-light);
  color:var(--ink);
  font-size:14px;
  font-weight:500;
  transition:all .2s ease;
}
.page-list a:hover{background:var(--primary-soft);border-color:var(--primary);color:var(--primary)}
.page-list a.active{
  background:var(--accent);
  border-color:var(--accent);
  color:#fff;
  box-shadow:0 4px 14px rgba(201,122,71,.28);
}
.page-next{margin-left:6px;gap:8px}

/* 标签云 */
.tag-strip{
  margin-top:34px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  padding:20px 22px;
  background:var(--primary-soft);
  border-radius:var(--radius-lg);
}
.tag-strip-label{
  font-size:14px;
  font-weight:700;
  color:var(--primary-strong);
  margin-right:4px;
}
.tag-strip a{
  display:inline-flex;
  align-items:center;
  background:rgba(255,255,255,.8);
  border:1px solid rgba(15,94,104,.12);
  border-radius:var(--radius-pill);
  padding:5px 15px;
  font-size:13px;
  color:var(--primary);
  transition:all .2s ease;
}
.tag-strip a:hover{background:var(--primary);color:#fff;transform:translateY(-1px)}

/* CTA */
.cta-tail{
  background:var(--deep);
  color:#e7efee;
  padding:clamp(64px,8vw,110px) 0;
  position:relative;
  overflow:hidden;
}
.cta-tail::after{
  content:"";
  position:absolute;
  right:-5%;
  bottom:-16%;
  width:440px;
  height:260px;
  background:
    radial-gradient(circle at 20% 30%,rgba(201,122,71,.18),transparent 42%),
    radial-gradient(circle at 90% 20%,rgba(201,122,71,.14),transparent 38%);
  border-radius:50%;
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  max-width:760px;
}
.cta-inner h2{
  color:#fff;
  font-size:clamp(1.5rem,2.6vw,2.2rem);
  margin-bottom:16px;
}
.cta-inner p{color:#b6c7c5;font-size:15px;margin-bottom:28px}
.cta-inner .btn{background:var(--accent);color:#fff}
.cta-inner .btn:hover{background:#e39a68;transform:translateY(-2px)}
.cta-note{
  margin-top:16px;
  font-size:13px;
  color:#98b0ad;
}

/* 页脚 */
.site-footer{
  background:#0d393d;
  color:#d9e2e0;
  padding-top:64px;
}
.footer-top{
  display:grid;
  grid-template-columns:1.4fr .8fr .9fr .9fr;
  gap:36px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-mark::after{border-color:#0d393d}
.footer-brand p{
  color:#a4bcb9;
  font-size:14px;
  margin:18px 0 0;
  max-width:320px;
}
.footer-col-name{
  font-weight:700;
  font-size:15px;
  color:#fff;
  margin-bottom:18px;
}
.footer-col ul li{margin-bottom:12px}
.footer-col ul a{
  color:#a4bcb9;
  font-size:14px;
  transition:color .2s ease,transform .2s ease;
  display:inline-block;
}
.footer-col ul a:hover{color:var(--accent-hover);transform:translateX(3px)}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:14px;
  padding:20px 0 28px;
  font-size:13px;
  color:#7b9a97;
}
.back-top{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:#b7cdca;
  transition:color .2s ease;
}
.back-top:hover{color:var(--accent-hover)}
.site-footer .container{padding-bottom:0}

@media (max-width:1099px){
  .banner-grid{grid-template-columns:1fr}
  .helper-panel{max-width:620px}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:900px){
  .feature-card{grid-template-columns:1fr}
  .feature-media{order:-1}
}
@media (max-width:768px){
  .nav-menu{
    position:fixed;
    top:0;left:0;right:0;bottom:0;
    z-index:110;
    background:var(--paper-light);
    flex-direction:column;
    align-items:flex-start;
    justify-content:center;
    gap:18px;
    padding:clamp(70px,20vw,90px) 22px 40px;
    display:none;
  }
  .nav-menu.open{display:flex}
  .nav-menu a{
    width:100%;
    font-size:20px;
    padding:12px 16px;
    border-radius:14px;
  }
  .nav-cta{margin-left:0;width:auto;align-self:flex-start}
  .nav-cta.btn{margin-top:14px}
  .menu-toggle{display:inline-flex}
  .banner-copy h1{font-size:clamp(1.9rem,6vw,2.6rem)}
  .guide-card-grid{grid-template-columns:1fr}
  .filter-section{padding-top:24px}
  .filter-strip{
    flex-wrap:nowrap;
    overflow-x:auto;
    padding-bottom:8px;
  }
  .filter-pill{flex-shrink:0}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{justify-content:center;text-align:center}
}
@media (max-width:520px){
  .header-inner{height:64px}
  .brand-mark{width:40px;height:31px}
  .brand-name{font-size:19px}
  .banner-copy h1{font-size:1.95rem}
  .banner-desc{font-size:15px}
  .helper-panel{padding:20px}
  .feature-body{padding:24px 20px}
  .feature-body h2{font-size:1.35rem}
  .guide-thumb{width:70px}
  .guide-thumb img{width:70px;min-height:120px}
  .feature-media img{aspect-ratio:16/9}
  .btn{width:100%}
  .feature-meta .btn{width:auto}
  .page-list a{min-width:36px;height:36px;padding:0 9px;font-size:13px}
  .tag-strip a{padding:4px 12px;font-size:12px}
}