<!DOCTYPE html>
<html lang="zh-CN">
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    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <meta name="description" content="捷建土工提供土工布、土工膜、复合土工膜、膨润土防水毯与土工格栅，服务道路、水利、市政与环保防渗工程，并说明按工程部位、使用环境与施工方式选型配套的要点。">
    <title>道路水利防渗用土工布土工膜与复合土工材料 - 山东捷建土工材料有限公司</title>
    <meta property="og:title" content="道路水利防渗用土工布土工膜与复合土工材料 - 山东捷建土工材料有限公司">
    <meta property="og:description" content="捷建土工提供土工布、土工膜、复合土工膜、膨润土防水毯与土工格栅，服务道路、水利、市政与环保防渗工程，并说明按工程部位、使用环境与施工方式选型配套的要点。">
    <meta property="og:type" content="website">
    <meta property="og:site_name" content="山东捷建土工材料有限公司">
    <meta property="og:locale" content="zh_CN">
    <meta name="theme-color" content="#2C4353">
    <style>
    :root {
      --ink: #1c2c37;
      --ink-soft: #43555f;
      --primary: #2C4353;
      --primary-deep: #1d2f3b;
      --wash: #EEF3F6;
      --accent: #9C6C3D;
      --line: #d7e1e6;
      --line-soft: #e6edf1;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

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

    body {
      margin: 0;
      background-color: #ffffff;
      color: var(--ink);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
      font-size: 16px;
      line-height: 1.75;
    }

    h1,
    h2,
    h3 {
      margin: 0;
      font-weight: 700;
      color: var(--ink);
    }

    p {
      margin: 0;
    }

    a {
      color: inherit;
    }

    .wrap {
      width: 100%;
      max-width: 1320px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* ---------- 顶部品牌与导航 ---------- */

    .masthead {
      background-color: #ffffff;
      border-bottom: 1px solid var(--line);
    }

    .masthead__inner {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 8px 28px;
      min-height: 68px;
      padding-top: 12px;
      padding-bottom: 12px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
    }

    .brand__mark {
      display: block;
      width: 30px;
      height: 30px;
      flex: none;
    }

    .brand__name {
      font-size: 20px;
      font-weight: 700;
      letter-spacing: 0.04em;
      color: var(--primary);
    }

    .primary-nav__list {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px 28px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .primary-nav__link {
      display: inline-block;
      padding: 5px 0;
      font-size: 16px;
      color: var(--primary);
      text-decoration: none;
      border-bottom: 2px solid transparent;
      transition: border-color 0.18s ease, color 0.18s ease;
    }

    .primary-nav__link:hover {
      border-bottom-color: var(--accent);
    }

    .primary-nav__link:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 3px;
      border-radius: 2px;
    }

    /* ---------- 首屏 ---------- */

    .hero {
      background-color: var(--wash);
      background-image: linear-gradient(180deg, #EEF3F6 0%, #f5f9fb 62%, #ffffff 100%);
      padding: 60px 0 64px;
    }

    .hero__inner {
      display: grid;
      grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
      gap: 56px;
      align-items: center;
    }

    .hero__eyebrow {
      margin-bottom: 16px;
      font-size: 15px;
      font-weight: 600;
      letter-spacing: 0.08em;
      color: var(--accent);
    }

    .hero__title {
      margin-bottom: 20px;
      font-size: clamp(28px, 3.2vw, 44px);
      line-height: 1.24;
      letter-spacing: -0.01em;
      overflow-wrap: break-word;
      text-wrap: balance;
    }

    .hero__lede {
      max-width: 34em;
      margin-bottom: 30px;
      font-size: 17px;
      line-height: 1.85;
      color: var(--ink-soft);
    }

    .hero__actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 46px;
      padding: 0 26px;
      border: 1px solid transparent;
      border-radius: 4px;
      font-size: 16px;
      font-weight: 600;
      text-decoration: none;
      transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
    }

    .btn:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 3px;
    }

    .btn--primary {
      background-color: var(--primary);
      color: #ffffff;
    }

    .btn--primary:hover {
      background-color: var(--primary-deep);
    }

    .btn--ghost {
      background-color: transparent;
      color: var(--primary);
      border-color: #b6c6d0;
    }

    .btn--ghost:hover {
      background-color: #ffffff;
      border-color: var(--primary);
    }

    /* ---------- 首屏断面图形 ---------- */

    .hero__art {
      position: relative;
    }

    .cutaway {
      position: relative;
      padding: 18px;
      border-radius: 14px;
      background-image: linear-gradient(155deg, #ffffff 0%, #e3ecf1 100%);
      box-shadow: 0 24px 46px -26px rgba(24, 41, 52, 0.55),
        0 0 0 1px rgba(44, 67, 83, 0.08);
    }

    .cutaway__frame {
      display: flex;
      flex-direction: column;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: inset 0 0 0 1px rgba(44, 67, 83, 0.12);
    }

    .cutaway__band {
      position: relative;
      flex: none;
    }

    .cutaway__band--surface {
      height: 56px;
      background-color: var(--primary);
      background-image:
        repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.11) 0 2px, transparent 2px 17px),
        linear-gradient(180deg, #47616f 0%, #233743 100%);
    }

    .cutaway__band--film {
      height: 20px;
      background-image: linear-gradient(90deg,
        #0f1c23 0%, #3d5766 26%, #82a0ae 50%, #2a404d 74%, #0f1c23 100%);
    }

    .cutaway__band--cloth {
      height: 26px;
      background-color: #eef3f6;
      background-image:
        repeating-linear-gradient(90deg, rgba(44, 67, 83, 0.24) 0 1px, transparent 1px 5px),
        repeating-linear-gradient(0deg, rgba(44, 67, 83, 0.13) 0 1px, transparent 1px 5px);
    }

    .cutaway__band--drain {
      height: 26px;
      background-color: #6f4f2c;
      background-image: radial-gradient(circle at 4px 4px,
        rgba(238, 243, 246, 0.5) 1.4px, transparent 1.7px);
      background-size: 11px 11px;
    }

    .cutaway__band--soil {
      height: 96px;
      background-image:
        radial-gradient(circle at 7px 9px, rgba(238, 243, 246, 0.12) 1.6px, transparent 1.9px),
        linear-gradient(180deg, #33495a 0%, #14222b 100%);
      background-size: 23px 23px, 100% 100%;
    }

    .cutaway__note {
      position: absolute;
      top: 50%;
      left: 14px;
      transform: translateY(-50%);
      padding: 1px 8px;
      border-radius: 3px;
      background-color: rgba(20, 34, 43, 0.58);
      color: #eef3f6;
      font-size: 15px;
      line-height: 1.35;
      letter-spacing: 0.04em;
      white-space: nowrap;
    }

    .cutaway__band--cloth .cutaway__note {
      background-color: rgba(44, 67, 83, 0.78);
      color: #ffffff;
    }

    .cutaway__roll {
      position: absolute;
      right: 6px;
      bottom: 22px;
      width: 76px;
      height: 76px;
      border-radius: 50%;
      background-image: radial-gradient(circle at 36% 30%,
        #7d95a2 0%, #3c5564 40%, #101d25 84%);
      box-shadow: 0 18px 24px -14px rgba(16, 28, 36, 0.85);
    }

    .cutaway__roll::after {
      content: "";
      position: absolute;
      inset: 27%;
      border-radius: 50%;
      background-image: radial-gradient(circle, #eef3f6 0%, #c2d1d9 72%, #9db0bb 100%);
      box-shadow: inset 0 0 0 3px rgba(16, 28, 36, 0.32);
    }

    /* ---------- 区块通用 ---------- */

    .section {
      padding: 64px 0;
    }

    .section--wash {
      background-color: var(--wash);
    }

    .section__head {
      max-width: 780px;
      margin-bottom: 34px;
    }

    .section__title {
      margin-bottom: 14px;
      font-size: clamp(23px, 2.2vw, 30px);
      line-height: 1.36;
      letter-spacing: -0.01em;
      overflow-wrap: break-word;
    }

    .section__lede {
      font-size: 16px;
      line-height: 1.85;
      color: var(--ink-soft);
    }

    /* ---------- 主营展陈 ---------- */

    .feature {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
      gap: 36px;
      align-items: start;
    }

    .feature__figure {
      margin: 0;
    }

    .feature__caption {
      margin-top: 12px;
      font-size: 15px;
      line-height: 1.7;
      color: #5b6d78;
    }

    .skid {
      position: relative;
      height: 250px;
      border-radius: 12px;
      overflow: hidden;
      background-color: #e7eef2;
      background-image: linear-gradient(180deg, #f3f8fa 0%, #dfe8ee 62%, #ccd9e1 100%);
    }

    .skid__ground {
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: 44%;
      background-image:
        repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.18) 0 1px, transparent 1px 19px),
        linear-gradient(180deg, #bccbd4 0%, #92a6b2 100%);
    }

    .skid__sheet {
      position: absolute;
      left: 7%;
      right: 27%;
      bottom: 28%;
      height: 27%;
      border-radius: 3px;
      background-image: linear-gradient(170deg, #4c6676 0%, #233745 50%, #16242d 100%);
      transform: perspective(520px) rotateX(52deg) skewX(-6deg);
      transform-origin: bottom left;
      box-shadow: 0 16px 20px -16px rgba(16, 28, 36, 0.9);
    }

    .skid__sheet::after {
      content: "";
      position: absolute;
      inset: 14% 10% auto 10%;
      height: 3px;
      border-radius: 2px;
      background-image: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
    }

    .skid__roll {
      position: absolute;
      right: 9%;
      bottom: 27%;
      width: 92px;
      height: 92px;
      border-radius: 50%;
      background-image: radial-gradient(circle at 36% 30%,
        #7c94a1 0%, #3d5766 38%, #14222b 84%);
      box-shadow: 0 20px 24px -16px rgba(16, 28, 36, 0.9);
      transform: rotate(-10deg);
    }

    .skid__roll::after {
      content: "";
      position: absolute;
      inset: 28%;
      border-radius: 50%;
      background-image: radial-gradient(circle, #eef3f6 0%, #c3d2da 70%, #9db0bb 100%);
      box-shadow: inset 0 0 0 3px rgba(20, 34, 43, 0.35);
    }

    .feature__side {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .feature__detail {
      margin: 0;
    }

    .weld {
      position: relative;
      height: 168px;
      border-radius: 10px;
      overflow: hidden;
      background-color: #e7eef2;
      background-image: linear-gradient(160deg, #f4f8fa 0%, #d5e0e7 100%);
    }

    .weld__sheet {
      position: absolute;
      bottom: 22%;
      height: 46%;
      border-radius: 2px;
      transform: rotate(-4deg);
    }

    .weld__sheet--lower {
      left: -5%;
      width: 58%;
      background-image: linear-gradient(160deg, #3b5565 0%, #17262f 100%);
      box-shadow: 0 12px 18px -14px rgba(16, 28, 36, 0.85);
    }

    .weld__sheet--upper {
      right: -5%;
      width: 58%;
      background-image: linear-gradient(200deg, #4d6878 0%, #1d3039 100%);
      box-shadow: -10px 8px 18px -12px rgba(16, 28, 36, 0.9);
    }

    .weld__seam {
      position: absolute;
      left: 46%;
      bottom: 23%;
      width: 10px;
      height: 50%;
      border-radius: 5px;
      transform: rotate(-4deg);
      background-image: linear-gradient(180deg, #bd8449 0%, #8a5a2e 100%);
      box-shadow: 0 0 16px rgba(156, 108, 61, 0.55);
    }

    .feature__text h3 {
      margin-bottom: 10px;
      font-size: 19px;
      color: var(--primary);
    }

    .feature__text p {
      font-size: 16px;
      line-height: 1.85;
      color: var(--ink-soft);
    }

    .catalog {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 0 44px;
      margin: 44px 0 0;
      padding: 0;
      list-style: none;
      border-top: 1px solid var(--line);
    }

    .catalog__item {
      padding: 22px 0 20px;
      border-bottom: 1px solid var(--line);
    }

    .catalog__name {
      margin-bottom: 6px;
      font-size: 17px;
      color: var(--primary);
    }

    .catalog__desc {
      font-size: 16px;
      line-height: 1.8;
      color: var(--ink-soft);
    }

    /* ---------- 应用场景 ---------- */

    .scene {
      display: grid;
      grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
      gap: 48px;
      align-items: center;
    }

    .cross-section {
      position: relative;
      height: 230px;
      border-radius: 12px;
      overflow: hidden;
      background-color: #e7eef2;
      background-image: linear-gradient(180deg, #eef4f7 0%, #dde7ed 58%, #cfdce3 100%);
    }

    .cross-section__bank {
      position: absolute;
      inset: 26% 0 0 0;
      background-image: linear-gradient(180deg, #4a6272 0%, #2a3e4b 44%, #16242d 100%);
    }

    .cross-section__bank--left {
      clip-path: polygon(0 0, 42% 0, 30% 100%, 0 100%);
    }

    .cross-section__bank--right {
      clip-path: polygon(58% 0, 100% 0, 100% 100%, 70% 100%);
    }

    .cross-section__liner {
      position: absolute;
      inset: 26% 0 0 0;
      background-color: var(--accent);
      opacity: 0.85;
    }

    .cross-section__liner--left {
      clip-path: polygon(42% 0, 44.8% 0, 32.8% 100%, 30% 100%);
    }

    .cross-section__liner--right {
      clip-path: polygon(55.2% 0, 58% 0, 70% 100%, 67.2% 100%);
    }

    .cross-section__water {
      position: absolute;
      left: 30%;
      right: 30%;
      bottom: 0;
      height: 34%;
      background-image: linear-gradient(180deg, #93b6c7 0%, #4b7185 100%);
    }

    .cross-section__water::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      top: 0;
      height: 4px;
      background-image: linear-gradient(90deg, rgba(238, 243, 246, 0.15), rgba(238, 243, 246, 0.7), rgba(238, 243, 246, 0.15));
    }

    .scene__list {
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .scene__item {
      padding: 18px 0 18px 18px;
      border-left: 3px solid var(--line);
    }

    .scene__item:first-child {
      padding-top: 0;
    }

    .scene__item:last-child {
      padding-bottom: 0;
    }

    .scene__item h3 {
      margin-bottom: 6px;
      font-size: 17px;
      color: var(--primary);
    }

    .scene__item p {
      font-size: 16px;
      line-height: 1.8;
      color: var(--ink-soft);
    }

    /* ---------- 企业介绍 ---------- */

    .about {
      display: grid;
      grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
      gap: 56px;
      align-items: start;
    }

    .about__body p {
      font-size: 16.5px;
      line-height: 1.95;
      color: #36474f;
    }

    .about__body p + p {
      margin-top: 16px;
    }

    .about__mark {
      margin-top: 26px;
      padding-top: 18px;
      border-top: 1px solid var(--line);
      font-size: 15px;
      letter-spacing: 0.04em;
      color: var(--accent);
    }

    /* ---------- 选型对照 ---------- */

    .matrix-block {
      margin-top: 8px;
    }

    .matrix {
      width: 100%;
      border-collapse: collapse;
      font-size: 16px;
      table-layout: fixed;
    }

    .matrix th,
    .matrix td {
      padding: 14px 16px;
      text-align: left;
      vertical-align: top;
      border-bottom: 1px solid var(--line);
      word-break: break-word;
    }

    .matrix thead th {
      background-color: var(--primary);
      color: #ffffff;
      font-weight: 600;
      border-bottom: none;
    }

    .matrix thead th:first-child {
      width: 26%;
      border-radius: 4px 0 0 0;
    }

    .matrix thead th:last-child {
      border-radius: 0 4px 0 0;
    }

    .matrix tbody th {
      background-color: #f6f9fb;
      font-weight: 600;
      color: var(--primary);
    }

    .matrix tbody td {
      color: #3d4f5a;
    }

    .matrix-note {
      margin-top: 16px;
      font-size: 15px;
      line-height: 1.75;
      color: #5b6d78;
    }

    /* ---------- 收尾 ---------- */

    .closing {
      padding: 56px 0;
      background-color: var(--primary);
    }

    .closing__inner {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 18px 32px;
    }

    .closing__line {
      font-size: clamp(18px, 1.8vw, 21px);
      font-weight: 600;
      line-height: 1.6;
      color: #ffffff;
    }

    .closing__link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 46px;
      padding: 0 26px;
      border: 1px solid rgba(255, 255, 255, 0.55);
      border-radius: 4px;
      font-size: 16px;
      font-weight: 600;
      color: #ffffff;
      text-decoration: none;
      transition: background-color 0.18s ease, border-color 0.18s ease;
    }

    .closing__link:hover {
      background-color: rgba(255, 255, 255, 0.14);
      border-color: #ffffff;
    }

    .closing__link:focus-visible {
      outline: 2px solid #ffffff;
      outline-offset: 3px;
    }

    /* ---------- 页脚 ---------- */

    .site-footer {
      padding: 42px 0 46px;
      background-color: #1d2f3b;
      color: #c3d2db;
    }

    .site-footer__inner {
      display: flex;
      flex-wrap: wrap;
      align-items: flex-start;
      justify-content: space-between;
      gap: 18px 32px;
    }

    .site-footer__top-link {
      display: inline-block;
      padding: 4px 0;
      font-size: 16px;
      color: #dfe8ee;
      text-decoration: none;
      border-bottom: 1px solid rgba(223, 232, 238, 0.45);
    }

    .site-footer__top-link:hover {
      border-bottom-color: #ffffff;
      color: #ffffff;
    }

    .site-footer__top-link:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 3px;
    }

    .site-footer__meta {
      text-align: right;
    }

    .site-footer__org {
      margin-bottom: 6px;
      font-size: 16px;
      font-weight: 600;
      color: #ffffff;
    }

    .site-footer__legal {
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-end;
      gap: 6px 10px;
      font-size: 16px;
      color: #b8c8d2;
    }

    .site-footer__legal a {
      color: #dfe8ee;
      text-decoration: none;
      border-bottom: 1px solid rgba(223, 232, 238, 0.45);
    }

    .site-footer__legal a:hover {
      border-bottom-color: #ffffff;
      color: #ffffff;
    }

    .site-footer__legal a:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 3px;
    }

    /* ---------- 响应式 ---------- */

    @media (max-width: 1024px) {
      .hero__inner {
        gap: 40px;
      }

      .feature {
        gap: 28px;
      }

      .scene {
        gap: 32px;
      }

      .about {
        gap: 36px;
      }
    }

    @media (max-width: 900px) {
      .hero {
        padding: 46px 0 54px;
      }

      .hero__inner {
        grid-template-columns: minmax(0, 1fr);
        gap: 34px;
      }

      .hero__art {
        max-width: 560px;
      }

      .hero__lede {
        max-width: none;
      }

      .feature {
        grid-template-columns: minmax(0, 1fr);
        gap: 26px;
      }

      .scene {
        grid-template-columns: minmax(0, 1fr);
        gap: 28px;
      }

      .about {
        grid-template-columns: minmax(0, 1fr);
        gap: 24px;
      }
    }

    @media (max-width: 720px) {
      .masthead__inner {
        min-height: 0;
        padding-top: 12px;
        padding-bottom: 12px;
      }

      .primary-nav__list {
        gap: 6px 20px;
      }

      .primary-nav__link {
        font-size: 15px;
      }

      .matrix,
      .matrix tbody,
      .matrix tr,
      .matrix th,
      .matrix td {
        display: block;
        width: 100%;
      }

      .matrix thead {
        position: absolute;
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      .brand__name {
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        font-size: clamp(19px, 6.2vw, 26px);
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        margin-bottom: 16px;
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      .hero__lede {
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        margin-bottom: 24px;
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      .btn {
        min-height: 44px;
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      .section__head {
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      .cutaway__roll {
        width: 60px;
        height: 60px;
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      .skid {
        height: 200px;
      }

      .skid__roll {
        width: 72px;
        height: 72px;
      }

      .weld {
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      }

      .catalog {
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  </style>
  </head>
  <body>
    <header class="masthead" data-site-header> <meta name="keywords" content="keywords_temp" />

      <div class="wrap masthead__inner">
        <a class="brand" href="#top">
        <svg class="brand__mark" viewBox="0 0 32 32" aria-hidden="true" focusable="false">
          <rect x="2" y="5" width="28" height="5.4" rx="1.6" fill="#2C4353"></rect>
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        </svg>
        <span class="brand__name" data-brand>捷建土工</span>
      </a>
        <nav class="primary-nav" data-primary-navigation aria-label="主导航">
          <ul class="primary-nav__list">
            <li><a class="primary-nav__link" href="#products">主营产品</a></li>
            <li><a class="primary-nav__link" href="#scenes">应用场景</a></li>
            <li><a class="primary-nav__link" href="#about">企业介绍</a></li>
            <li><a class="primary-nav__link" href="#guide">选型参考</a></li>
          </ul>
        </nav>
      </div>
    </header>
    <main id="top">
      <section class="hero">
        <div class="wrap hero__inner">
          <div class="hero__copy" data-hero-copy>
            <p class="hero__eyebrow">道路 · 水利 · 市政 · 环保工程</p>
            <h1 class="hero__title">土工布、土工膜与复合土工材料</h1>
            <p class="hero__lede">捷建土工围绕工程防渗、过滤排水与加筋加固三类需求，提供土工布、土工膜、复合土工膜、膨润土防水毯与土工格栅，并按工程部位、使用环境和施工方式给出选型与配套说明。</p>
            <div class="hero__actions">
              <a class="btn btn--primary" href="#products">查看主营产品</a>
              <a class="btn btn--ghost" href="#scenes">了解应用场景</a>
            </div>
          </div>
          <div class="hero__art" data-hero-art>
            <div class="cutaway">
              <div class="cutaway__frame">
                <div class="cutaway__band cutaway__band--surface">
                  <span class="cutaway__note">路面与基层</span>
                </div>
                <div class="cutaway__band cutaway__band--film">
                  <span class="cutaway__note">土工膜</span>
                </div>
                <div class="cutaway__band cutaway__band--cloth">
                  <span class="cutaway__note">土工布</span>
                </div>
                <div class="cutaway__band cutaway__band--drain"></div>
                <div class="cutaway__band cutaway__band--soil"></div>
              </div>
              <span class="cutaway__roll" aria-hidden="true"></span>
            </div>
          </div>
        </div>
      </section>
      <section class="section" id="products">
        <div class="wrap">
          <div class="section__head">
            <h2 class="section__title">主营产品与材料构造</h2>
            <p class="section__lede">土工材料以卷材和片材为主，同一材料在不同工程部位承担的作用并不相同。下面以土工膜为例，从整体铺设形态与局部搭接处理两个层面说明其在防渗结构中的位置。</p>
          </div>
          <div class="feature">
            <figure class="feature__figure">
            <div class="skid" aria-hidden="true">
                <span class="skid__ground"></span>
                <span class="skid__sheet"></span>
                <span class="skid__roll"></span>
              </div>
            <figcaption class="feature__caption">卷材沿基层展开铺设，形成连续的防渗面层。</figcaption>
          </figure>
            <div class="feature__side">
              <figure class="feature__detail">
              <div class="weld" aria-hidden="true">
                  <span class="weld__sheet weld__sheet--lower"></span>
                  <span class="weld__sheet weld__sheet--upper"></span>
                  <span class="weld__seam"></span>
                </div>
              <figcaption class="feature__caption">搭接部位的处理方式，直接影响防渗层的连续性。</figcaption>
            </figure>
              <div class="feature__text">
                <h3>土工膜</h3>
                <p>用于水利、环保和市政工程的防渗隔离。选型时结合基层条件、防渗等级与耐候需求确定材料类别，铺设方案与搭接、锚固方式一并考虑。</p>
              </div>
            </div>
          </div>
          <ul class="catalog">
            <li class="catalog__item">
            <h3 class="catalog__name">土工布</h3>
            <p class="catalog__desc">用于道路、堤坝和地下工程的过滤、排水、隔离与防护，按工程部位、渗透要求和力学指标选择合适类别。</p>
          </li>
            <li class="catalog__item">
            <h3 class="catalog__name">复合土工膜</h3>
            <p class="catalog__desc">将防渗与保护、排水功能结合，适用于渠道、水库和填埋场等复合防渗场景，依据工程结构和使用环境选型。</p>
          </li>
            <li class="catalog__item">
            <h3 class="catalog__name">膨润土防水毯</h3>
            <p class="catalog__desc">用于地下工程和人工水体防渗，关注基层平整度、搭接处理与回填保护等施工条件。</p>
          </li>
            <li class="catalog__item">
            <h3 class="catalog__name">土工格栅</h3>
            <p class="catalog__desc">用于路基、边坡和挡墙的加筋加固，按承载要求、填料类型和施工方式选择相应类别。</p>
          </li>
          </ul>
        </div>
      </section>
      <section class="section section--wash" id="scenes">
        <div class="wrap">
          <div class="section__head">
            <h2 class="section__title">应用场景与所处部位</h2>
            <p class="section__lede">材料放在结构的哪一层，决定了它需要具备的性能。常见工程中，防渗层通常位于水体或污染物一侧，反滤与保护层则紧贴其外。</p>
          </div>
          <div class="scene">
            <div class="cross-section" aria-hidden="true">
              <span class="cross-section__bank cross-section__bank--left"></span>
              <span class="cross-section__bank cross-section__bank--right"></span>
              <span class="cross-section__water"></span>
              <span class="cross-section__liner cross-section__liner--left"></span>
              <span class="cross-section__liner cross-section__liner--right"></span>
            </div>
            <ul class="scene__list">
              <li class="scene__item">
              <h3>道路与铁路路基</h3>
              <p>土工布承担隔离与反滤作用，土工格栅用于加筋，减少不同填料相互混杂造成的路基强度下降。</p>
            </li>
              <li class="scene__item">
              <h3>水利堤坝与渠道</h3>
              <p>土工膜或复合土工膜形成防渗层，土工布作为保护与反滤层配合使用，避免颗粒进入排水通道。</p>
            </li>
              <li class="scene__item">
              <h3>市政与地下工程</h3>
              <p>膨润土防水毯和土工膜用于结构外侧防渗，对基层平整度、搭接质量与回填保护的要求较高。</p>
            </li>
              <li class="scene__item">
              <h3>环保填埋与人工水体</h3>
              <p>复合土工膜用于基底与边坡防渗，需要结合渗滤液条件、坡面稳定性与锚固方式综合确定方案。</p>
            </li>
            </ul>
          </div>
        </div>
      </section>
      <section class="section" id="about">
        <div class="wrap">
          <div class="about">
            <div>
              <h2 class="section__title">关于捷建土工</h2>
            </div>
            <div class="about__body">
              <p>山东捷建土工材料有限公司围绕土工材料的工程应用组织产品与配套说明。材料效果不仅取决于自身指标，也与所处部位、接触介质和施工条件密切相关。因此在实际沟通中，通常先从工程部位与功能需求入手——是需要防渗隔离、反滤排水，还是加筋加固，再确定材料类别、规格范围以及搭接铺设方式。</p>
              <p>公司面向公路、铁路、水利、市政及环保防渗等领域的工程建设单位与施工方，保持以工程用途为导向的产品组织方式，把材料选择与工程结构、施工工序放在一起考虑。</p>
              <p class="about__mark">防渗 · 反滤 · 排水 · 隔离 · 加筋</p>
            </div>
          </div>
        </div>
      </section>
      <section class="section section--wash" id="guide">
        <div class="wrap">
          <div class="section__head">
            <h2 class="section__title">按工程对象对照适用材料</h2>
            <p class="section__lede">下表按工程对象列出常见功能需求与对应的材料类别，仅作初步对照，具体规格仍需结合设计文件与现场条件确定。</p>
          </div>
          <div class="matrix-block">
            <table class="matrix">
            <thead>
              <tr>
                <th scope="col">工程对象</th>
                <th scope="col">反滤与排水</th>
                <th scope="col">防渗与隔离</th>
                <th scope="col">加筋与加固</th>
              </tr>
            </thead>
            <tbody>
              <tr>
                <th scope="row">道路与铁路路基</th>
                <td data-label="反滤与排水">土工布</td>
                <td data-label="防渗与隔离">—</td>
                <td data-label="加筋与加固">土工格栅</td>
              </tr>
              <tr>
                <th scope="row">堤坝与边坡</th>
                <td data-label="反滤与排水">土工布</td>
                <td data-label="防渗与隔离">土工膜</td>
                <td data-label="加筋与加固">土工格栅</td>
              </tr>
              <tr>
                <th scope="row">渠道与水库</th>
                <td data-label="反滤与排水">土工布</td>
                <td data-label="防渗与隔离">复合土工膜</td>
                <td data-label="加筋与加固">—</td>
              </tr>
              <tr>
                <th scope="row">填埋场基底与边坡</th>
                <td data-label="反滤与排水">土工布</td>
                <td data-label="防渗与隔离">复合土工膜</td>
                <td data-label="加筋与加固">土工格栅</td>
              </tr>
              <tr>
                <th scope="row">地下结构与人工水体</th>
                <td data-label="反滤与排水">土工布</td>
                <td data-label="防渗与隔离">膨润土防水毯 / 土工膜</td>
                <td data-label="加筋与加固">—</td>
              </tr>
            </tbody>
          </table>
            <p class="matrix-note">表中“—”表示该功能需求通常不由该类材料承担，实际工程中多由相邻结构层或其他措施解决。</p>
          </div>
        </div>
      </section>
      <section class="closing" id="start">
        <div class="wrap closing__inner">
          <p class="closing__line">捷建土工 · 从工程部位出发，确定材料类别与配套方式</p>
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