:root {
  --brand: #ff6a00;
  --brand-dark: #e25e00;
  --brand-soft: #fff3e9;
  --ink: #1d2330;
  --ink-2: #4a5468;
  --ink-3: #8a93a6;
  --line: #e8ebf1;
  --bg-soft: #f7f9fc;
  --radius: 14px;
  --shadow: 0 8px 30px rgba(29, 35, 48, .06);
  --shadow-lg: 0 16px 48px rgba(29, 35, 48, .12);
}

.hero { background: linear-gradient(135deg, #FFF8F2 0%, #FFE4CC 45%, #FF6A00 130%); color: #2a2118; padding: 8.5rem 0 5rem; position: relative; overflow: hidden; }
.hero::after { content: ""; position: absolute; inset: 0; background: radial-gradient(600px 300px at 15% 110%, rgba(255,106,0,.25), transparent 70%); pointer-events: none; }
.hero h1 { color: #1f2330; font-size: clamp(2rem, 4.4vw, 3.2rem); line-height: 1.2; }
.hero .lead { color: #5a4632; font-size: 1.08rem; max-width: 760px; }
.hero .hero-desc { color: #3a2e22; font-size: .98rem; line-height: 1.85; max-width: 820px; }
.hero-metrics-wrap { max-width: 760px; }
.hero .summary { border-left: 3px solid var(--brand); padding: .4rem 0 .4rem 1rem; color: #d7ddea; background: rgba(255,255,255,.04); border-radius: 0 8px 8px 0; }
.metric-tags { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: .5rem; }
.metric-tag { display: inline-flex; align-items: center; gap: .5rem; padding: .45rem .9rem; border: 1px solid rgba(0,0,0,.12); border-radius: 999px; color: #3a2e22; font-size: 12px; font-weight: 500; background: rgba(0,0,0,.04); backdrop-filter: blur(4px); transition: .2s ease; }
.metric-tag:hover { border-color: var(--brand); background: rgba(255,106,0,.12); color: #20140a; }
.metric-tag::before { content: ""; width: 6px; height: 6px; background: var(--brand); border-radius: 50%; }


.typeimg{height: auto;}
.typeimg .bg{position: static;background:none}
.typeimg .bg .container-md{position: relative;transform: none;padding-bottom:5vmax;padding-top:5vmax;top: 0;left: 0;}

/* 整页板块背景交替区分（显式着色：灰色板块加 .section-soft，白色板块随 body 白底；新增板块不影响既有顺序） */
.section-soft { background: var(--bg-soft); }

/* 核心痛点板块 */
.pain-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.5rem; }
.pain-card { position: relative; background: #fff; border: 1px solid var(--line); border-left: 4px solid #ff4d2e; border-radius: var(--radius); padding: 1.6rem 1.5rem; box-shadow: var(--shadow); transition: transform .2s ease, box-shadow .2s ease; }
.pain-card:hover { transform: translateY(-4px); box-shadow: 0 12px 26px rgba(255,77,46,.16); }
.pain-head { display: flex; align-items: center; gap: .7rem; }
.pain-no { flex: none; width: 1.6rem; height: 1.6rem; border-radius: 0; background: #ff4d2e; color: #fff; font-weight: 700; font-size: .9rem; line-height: 1; display: inline-flex; align-items: center; justify-content: center; }
.pain-title { font-size: 1.12rem; margin: 0; color: var(--ink); }
.pain-desc { color: var(--ink-2); font-size: .92rem; line-height: 1.75; margin: .9rem 0 0; }
@media (max-width: 576px) { .pain-grid { grid-template-columns: 1fr; } }

/* 六大解决方案 */
.sol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.sol-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem 1.5rem; display: flex; flex-direction: column; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; position:relative;}
.sol-card:hover { transform: translateY(-4px); border-color: var(--brand); box-shadow: var(--shadow); }
.sol-img-wrap { position: relative; width: 100%; padding-bottom: 56.25%; overflow: hidden; border-radius: 6px; margin-bottom: 1.1rem; background: var(--bg-soft); }
.sol-img-wrap img { position: absolute; top: 0; right: 0; bottom: 0; left: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.sol-card:hover .sol-img-wrap img { transform: scale(1.05); }
.sol-card h3 { font-size: 1.04rem; font-weight: 500; color: var(--ink); margin-bottom: .5rem; line-height: 1.4; }
.sol-intro { font-size: .9rem; color: var(--ink-3); line-height: 1.7;padding-bottom:1rem; }
.sol-list { list-style: none; margin: 0; padding: 0; margin-top: auto; }
.sol-list li { position: relative; padding-left: 1.1rem; font-size: .86rem; color: var(--ink-2); line-height: 1.65; margin-bottom: .45rem; }
.sol-list li::before { content: ""; position: absolute; left: 0; top: .62em; width: 6px; height: 6px; border-radius: 50%; background: var(--brand); }
@media (max-width: 992px) { .sol-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 576px) { .sol-grid { grid-template-columns: 1fr; } }


/* 客户案例：参考 OE-WorkSpace 案例板块 */
body > section.case-section { background: #fff; }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.case-grid [class*="col-"] { width: auto; max-width: none; flex: none; padding: 0; }
.case-grid .item { position: relative; display: flex; flex-direction: column; height: 100%; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.case-grid .item .text { padding: 18px 20px; flex: 1 1 auto; }
.case-grid .item h5 { font-size: 1.05rem; font-weight: 600; margin-bottom: .5rem; color: var(--ink); transition: color .2s linear; }
.case-grid .item:hover h5 { color: #ff6a00; }
.case-grid .item p { color: var(--ink-3); font-size: .92rem; line-height: 1.6; margin-bottom: 0; }
.case-grid .item p.max-line-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.case-grid .item span { display: inline-block; margin-top: 10px; color: #ff6a00; font-size: .85rem; }
.case-grid .item > a { position: absolute; top: 0; right: 0; bottom: 0; left: 0; z-index: 3; }
@media (max-width: 992px) { .case-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 576px) { .case-grid { grid-template-columns: 1fr; } }

.eyebrow { display: inline-block; color: var(--brand); font-weight: 700; font-size: .82rem; letter-spacing: .08em; margin-bottom: .6rem; }
.section-title { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: .8rem; }
.section-desc { color: var(--ink-2); max-width: 760px; margin-top: 15px}

.card-grid { display: grid; gap: 1.25rem; }
.feature-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem 1.5rem; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; height: 100%; }
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(255,106,0,.4); }
.feature-icon { width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; background: var(--brand-soft); color: var(--brand); font-size: 1.4rem; margin-bottom: 1rem; }
.feature-card h3 { font-size: 1.12rem; margin-bottom: .5rem; }
.feature-card p { color: var(--ink-2); font-size: .94rem; margin: 0; }

/* 方案架构图：左侧 4 层 + 右侧安全与运维体系 */
.arch-wrap { display: grid; grid-template-columns: 1fr 220px; gap: 1rem; align-items: stretch; margin-top: 1.5rem; }
.arch-main { display: flex; flex-direction: column; gap: .9rem; min-width: 0; }
.arch-side { background: linear-gradient(180deg, #7a3a0e 0%, #6b3410 100%); color: #fff8f2; border-radius: var(--radius); padding: 1.1rem .8rem; display: flex; flex-direction: column; }
.arch-side-title { text-align: center; color: #fff; font-size: 1.05rem; font-weight: 700; margin: 0 0 .7rem; padding-bottom: .7rem; border-bottom: 1px solid rgba(255,255,255,.18); line-height: 1.4; }
.arch-side-item { flex: 1 1 0; display: flex; flex-direction: column; justify-content: center; padding: .6rem .4rem; text-align: center; border-bottom: 1px dashed rgba(255,255,255,.15); }
.arch-side-item:last-child { border-bottom: none; }
.arch-side-item h4 { color: #fff; font-size: .92rem; font-weight: 600; margin: 0 0 .25rem; }
.arch-side-item p { color: rgba(255,248,242,.7); font-size: .76rem; margin: 0; line-height: 1.45; }

.arch-layer { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,.04); }
.arch-layer-title { background: linear-gradient(135deg, #ff6a00 0%, #e25900 100%); color: #fff; text-align: center; padding: .45rem .8rem; font-size: .95rem; font-weight: 600; }
.arch-layer-body { padding: .5rem; }
.arch-sub { font-size: .9rem; color: var(--ink); font-weight: 600; margin: 0 0 .55rem; display: flex; align-items: center; gap: .5rem; }
.arch-sub::before { content: ""; width: 4px; height: 14px; background: var(--brand); border-radius: 2px; }
.arch-grid { display: grid; gap: .5rem; }
.arch-grid-5 { grid-template-columns: repeat(5, 1fr); }
.arch-grid-4 { grid-template-columns: repeat(4, 1fr); }
.arch-grid-7 { grid-template-columns: repeat(7, 1fr); }
.arch-cell { background: #fff8f2; border: 1px solid #f5e6d4; border-radius: 6px; padding: .4rem; text-align: center; transition: all .2s ease; }
.arch-cell:hover { border-color: var(--brand); background: #fff3e6; transform: translateY(-2px); }
.arch-cell h4 { font-size: .88rem; color: var(--brand); font-weight: 600; margin: 0 0 .1rem; }
.arch-cell p { font-size: .74rem; color: var(--ink-2); margin: 0; line-height: 1.4; }
.arch-band { background: linear-gradient(90deg, #fff3e6 0%, #fff8f2 50%, #fff3e6 100%); border: 1px solid #ffd9bd; border-radius: 6px; padding: .5rem .8rem; text-align: center; font-size: .83rem; color: var(--ink); margin: .7rem 0; line-height: 1.5; }
.arch-band strong { color: var(--brand); font-weight: 700; }
.arch-band--plain { background: none; border: none; border-radius: 0; padding: 0; margin: .7rem 0 0; }
.arch-foot { text-align: center; background: linear-gradient(90deg, #ff6a00 0%, #e25900 100%); color: #fff; padding: .6rem .8rem; border-radius: 6px; font-size: .9rem; font-weight: 500; margin-top: .7rem; }
.arch-foot--summary { margin-top: 0; }

/* 方案概述：标题与描述居中、加宽描述块 */
#overview .section-desc { max-width: 920px; }

@media (max-width: 1200px) { .arch-grid-7 { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 992px) {
  .arch-wrap { grid-template-columns: 1fr; }
  .arch-side { order: -1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; padding: 1rem; }
  .arch-side-title { grid-column: 1 / -1; border-bottom: 1px solid rgba(255,255,255,.18); margin: 0 0 .5rem; padding-bottom: .5rem; }
  .arch-side-item { border-bottom: none; border-right: 1px dashed rgba(255,255,255,.15); }
  .arch-side-item:nth-child(3n) { border-right: none; }
  .arch-grid-5, .arch-grid-4 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) { .arch-grid-7 { grid-template-columns: repeat(3, 1fr); } .arch-side { grid-template-columns: repeat(2, 1fr); } .arch-side-item:nth-child(3n) { border-right: 1px dashed rgba(255,255,255,.15); } .arch-side-item:nth-child(2n) { border-right: none; } }
@media (max-width: 576px) { .arch-grid-5, .arch-grid-4, .arch-grid-7 { grid-template-columns: repeat(2, 1fr); } }

.scene-table { width: 100%; border-collapse: separate; border-spacing: 0 !important; overflow: hidden; border-radius: var(--radius); border: 1px solid var(--line)!important; }
.scene-table th, .scene-table td { padding: .9rem 1rem!important; border-bottom: 1px solid var(--line)!important; font-size: .94rem; vertical-align: top; }
.scene-table thead th { background: linear-gradient(135deg, #ff6a00 0%, #d14601 100%); color: #fff; font-weight: 500; }
.scene-table tbody tr:last-child td { border-bottom: none!important; }
.scene-table tbody td { color: var(--ink-2); line-height: 1.7; }
.scene-table tbody td:first-child { color: var(--brand); font-weight: 600; white-space: nowrap; }
.scene-table tbody td:last-child { color: var(--brand); font-weight: 600; }
@media (max-width: 768px) { .scene-table th, .scene-table td { padding: .7rem .6rem; font-size: .85rem; } .scene-table tbody td:first-child { white-space: normal; } }

/* 建设价值：六大维度 */
.val-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.val-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem 1.5rem; display: flex; flex-direction: column; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.val-card:hover { transform: translateY(-4px); border-color: var(--brand); box-shadow: var(--shadow); }
.val-head { display: flex; align-items: center; gap: .6rem; margin-bottom: .35rem; }
.val-no { display: inline-flex; align-items: center; justify-content: center; flex: none; width: 1.6rem; height: 1.6rem; border-radius: 0; background: var(--brand); color: #fff; font-weight: 700; font-size: .85rem; line-height: 1; }
.val-title { font-size: 1.12rem; font-weight: 600; color: var(--ink); line-height: 1.4; margin: 0; }
.val-sub { font-size: .9rem; color: var(--ink-3); line-height: 1.7; margin-bottom: .9rem; }
.val-list { list-style: none; margin: 0; padding: 0; margin-top: auto; }
.val-list li { position: relative; padding-left: 1.1rem; font-size: .86rem; color: var(--ink-2); line-height: 1.65; margin-bottom: .45rem; }
.val-list li::before { content: ""; position: absolute; left: 0; top: .62em; width: 6px; height: 6px; border-radius: 50%; background: var(--brand); }
@media (max-width: 992px) { .val-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 576px) { .val-grid { grid-template-columns: 1fr; } }


/* FAQ - pure JS accordion */
.accordion-item { border: 1px solid var(--line); border-radius: 12px !important; margin-bottom: .8rem; overflow: hidden; background: #fff; }
.accordion-header { margin: 0 !important; line-height: 1; }
.accordion-item .accordion-button { font-weight: 500; color: var(--ink); background: #fff; box-shadow: none; width: 100%; display: flex; justify-content: space-between; align-items: center; text-align: left; padding: 1rem 1.25rem !important; border: 0; line-height: 1.4; }
.accordion-item.show .accordion-button { background: var(--brand-soft); color: var(--brand-dark); box-shadow: none; }
.accordion-item .accordion-button:focus, .accordion-item .accordion-button:focus-visible, .accordion-item .accordion-button:active { outline: none; box-shadow: none; }
.accordion-item .accordion-button::after { content: ""; flex-shrink: 0; width: 1rem; height: 1rem; margin-left: auto; background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23212529'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e"); background-repeat: no-repeat; background-size: 1rem; transition: transform .2s ease-in-out; }
.accordion-item.show .accordion-button::after { transform: rotate(-180deg); }
.accordion-item:last-child { margin-bottom: 0; }
.accordion-item .accordion-collapse { display: none; }
.accordion-item.show .accordion-collapse { display: block; }
.accordion-item .accordion-body { color: var(--ink-2); padding: .85rem 1.25rem !important; }
.faq-wrap { display: grid; grid-template-columns: 320px 1fr; gap: 2rem; align-items: end; }
.faq-side { display: flex; flex-direction: column; gap: 1rem; }
.related-card {
  display: block; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.15rem 1.2rem; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; text-decoration: none;position: relative;
}
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(255,106,0,.4); }
.related-card .rc-tag { font-size: .72rem; color: var(--brand-dark); font-weight: 600; }
.related-card .rc-title { font-weight: 700; color: var(--ink); margin: .25rem 0 .35rem; font-size: 1.02rem; }
.related-card .rc-desc { color: #666}
.related-card .rc-more { color: var(--brand); font-size: .84rem; font-weight: 600; margin-top: .55rem; display: inline-flex; align-items: center; gap: .25rem; }
.sol-card>a,.related-card>a{position:absolute;top:0;right:0;bottom:0;left:0;}
@media (max-width: 992px) { .faq-wrap { grid-template-columns: 1fr; } }

.cta { background: linear-gradient(120deg, #ff6a00, #ff8a3d); border-radius: 20px; padding: 3rem 2rem; color: #fff; text-align: center; }
.cta h2 { color: #fff; }
.cta .btn-light { border-radius: 999px; padding: .7rem 1.8rem; font-weight: 600; font-size: .95rem; color: var(--brand-dark); background: #fff; border: none; box-shadow: 0 6px 18px rgba(0,0,0,.12); transition: transform .15s ease, box-shadow .15s ease, background .2s ease; }
.cta .btn-light:hover { background: #fff; color: var(--brand); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,.18); }
.cta .btn-ghost { border-radius: 999px; padding: .7rem 1.8rem; font-weight: 600; font-size: .95rem; color: #fff; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.45); backdrop-filter: blur(4px); transition: transform .15s ease, background .2s ease, border-color .2s ease; }
.cta .btn-ghost:hover { background: rgba(255,255,255,.2); border-color: rgba(255,255,255,.8); transform: translateY(-2px); }


.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }