* {
  box-sizing: border-box;
}

body {
  background: #f2f2f2;
  font-family: 'Open Sans', sans-serif;
  -webkit-font-smoothing: antialiased;
  color: #2f3037;
}

a {
  text-decoration: none;
  transition: opacity 0.2s;
}

a:hover {
  opacity: 0.6;
}

.l-container {
  margin: -1px auto 0;
  width: 100%;
  max-width: 1440px;
  border: 1px solid #e5e5e5;
  background: #fff;
}

.l-container > * {
  padding: 68px;
}

.download-button, .buy-button {
  cursor: pointer;
  border-radius: 6px;
  height: 56px;
  line-height: 56px;
  display: inline-block;
  color: #fff;
  font-weight: 600;
  font-size: 20px;
  padding-left: 52px;
  padding-right: 32px;
  background: #34a86a url('../img/icon-download.png') 10px 8px no-repeat;
  background-size: 40px 39px;
  box-shadow: 0px 2px 8px 0px rgba(7,113,57,0.2);
  transition: all 0.2s;
}

.download-button:hover,
.buy-button:hover {
  box-shadow: 0px 2px 8px 0px rgba(7,113,57,0.4);
  opacity: 1;
}

.download-button:active,
.buy-button:active {
  background-color: #439f6e;
  transform: translateY(2px);
}

.download-button--small {
  height: 46px;
  line-height: 46px;
  padding-left: 52px;
  padding-right: 32px;
  font-size: 18px;
  background-image: url('../img/icon-download.png');
  background-size: 35px 34px;
}

.buy-button {
  background-image:
    url('../img/icon-buy.png'),
    linear-gradient(to bottom, rgba(233,233,233,1) 0%, rgba(218,218,218,1) 100%);
  background-size: 38px 40px, 100% 100%;
  background-position: 10px 8px, 0, 0;
  box-shadow: 0px 2px 8px 0px rgba(100,100,100,0.2);
  color: #7f8089;
}

.buy-button:hover {
  box-shadow: 0px 2px 8px 0px rgba(100,100,100,0.4);
}

.buy-button__price {
  border-left: 1px solid #d0d0d0;
  padding-left: 10px;
  margin-left: 10px;
  line-height: 30px;
}


/******************************
 * Header
 ******************************/
.navigation {
  padding: 50px;
  color: #7f8089;
}

.navigation nav {
  float: right;
}

.nav-link {
  font-size: 18px;
  font-weight: 500;
  color: #2f3037;
  text-decoration: none;
  text-transform: uppercase;
  margin-right: 42px;
}

.nav-link.is-active {
  color: #9798a1;
}

.nav-link.is-active:hover {
  opacity: 1;
}

.logo {
  width: 243px;
  height: 56px;
}

/******************************
 * Preview
 ******************************/
.preview {
  margin-top: 128px;
  background: transparent url('../img/bg-curve.png') center bottom no-repeat;
  background-size: 1440px 271px;
  min-height: 271px;
  padding: 0;
}

.slogan {
  font-size: 36px;
  font-weight: 600;
  text-align: center;
}

.preview img {
  display: block;
  margin: 40px auto 0;
  width: 1135px;
  height: 536px;
}

/******************************
 * Introduction
 ******************************/

.introduction {
  position: relative;
  margin-top: 68px;
  background: transparent url('../img/introduction-bottom-line.png') center bottom no-repeat;
  background-size: 1440px 76px;
  padding: 0 0 72px;
}

.introduction h2 {
  font-weight: 600;
  font-size: 28px;
}

.introduction .content {
  width: 570px;
  margin-left: 68px;
}


.introduction p {
  color: #7f8089;
  font-size: 18px;
  line-height: 1.6;
}

.introduction p:last-of-type {
  margin-bottom: 28px;
}

.introduction p strong {
  font-weight: 600;
  color: #646672;
}

.introduction .download-button {
  margin-right: 10px;
  margin-bottom: 10px;
}

.introduction img {
  position: absolute;
  right: 0;
  top: 0;
  width: 612px;
  height: 376px;
  margin-right: 68px;
}

/******************************
 * Features
 ******************************/
.features {
  list-style: none;
  overflow: hidden;
  margin-bottom: -50px;
}

.feature {
  float: left;
  width: 30%;
  padding-left: 50px;
  background-repeat: no-repeat;
  background-size: 32px 32px;
  margin-left: 5%;
  margin-bottom: 60px;
}

.features li:nth-child(3n + 1) {
  margin-left: 0;
  clear: left;
}

.feature .note {
  font-size: 14px;
  font-style: italic;
}

.feature .note a {
  color: #2f3037;
}


.feature-performance {
  background-image: url('../img/icon-performance.png');
}

.feature-rule {
  background-image: url('../img/icon-rule.png');
}

.feature-ios {
  background-image: url('../img/icon-ios.png');
  background-size: 25px 38px;
}

.feature-decrypt {
  background-image: url('../img/icon-decrypt.png');
  background-size: 27px 40px;
}

.feature-dns {
  background-image: url('../img/icon-dns.png');
  background-size: 32px 31px;
}

.feature-group {
  background-image: url('../img/icon-group.png');
  background-size: 31px 31px;
}

.features h3 {
  font-size: 24px;
  font-weight: 500;
  line-height: 1;
  margin: 0 0 10px;
}

.features p {
  font-size: 16px;
  line-height: 1.6;
  color: #7f8089;
}

/******************************
 * Saying
 ******************************/
.saying {
  background: #37404f;
  color: #fff;
}

.mac-icon {
  background: transparent url('../img/surge-mac-icon.png') center center no-repeat;
  background-size: 128px 128px;
  width: 128px;
  height: 128px;
  margin: -132px auto 50px;
}

.mac-icon:hover {
  transform: rotate(360deg);
  transition: all 60s;
}

.saying h2 {
  text-align: center;
  font-weight: normal;
  font-size: 36px;
  margin-bottom: 80px;
}

.remarks {
  margin: 0;
  padding: 0;
  list-style: none;
  overflow: hidden;
  margin-bottom: -80px;
}

.remark {
  position: relative;
  padding-left: 72px;
  width: 28%;
  float: left;
  margin-left: 8%;
  margin-bottom: 80px;
}

.remark:nth-child(3n + 1) {
  margin-left: 0;
  clear: left;
}

.remark img {
  position: absolute;
  left: 0;
  top: 0;
  border-radius: 99px;
  width: 60px;
  height: 60px;
}

.remark p {
  margin: 0 0 10px;
}

.remark .content {
  color: #97a0b0;
}

/******************************
 * Tweet
 ******************************/
.tweet {
  background: #2b313c;
  color: #97a0af;
  font-size: 20px;
  text-align: center;
  line-height: 108px;
  padding: 0;
}

.tweet a {
  color: rgba(255, 255, 255, 0.2);
  transform: translateY(-3px);
  display: inline-block;
}

.share-prompt {
  display: inline-block;
  margin-right: 4px;
  transform: translateY(-3px);
}

/******************************
 * Last Thing
 ******************************/
.last-thing {
  position: relative;
}

.last-thing h2 {
  font-weight: 600;
  color: #646d7a;
  font-size: 32px;
}

.last-thing .content {
  width: 700px;
  color: #828c9b;
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: 40px;
}

.last-thing ul,
.last-thing ol {
  padding: 0;
  list-style-position: inside;
  list-style-type: disc;
}

.ios-promotion {
  overflow: hidden;
  position: absolute;
  right: 0;
  top: 60px;
  background: #e8f5ff;
  border-top-left-radius: 10px;
  border-bottom-left-radius: 10px;
  width: 642px;
  padding-left: 22px;
  padding-bottom: 20px;
  min-height: 440px;
}

.ios-promotion h3 {
  font-weight: 600;
  font-size: 24px;
  color: #646d7a;
  padding-left: 90px;
  line-height: 70px;
  background: transparent url('../img/surge-ios-icon.png') left top no-repeat;
  background-size: 70px 70px;
}

.promotion-content {
  font-size: 14px;
  color: #657e92;
  line-height: 1.5;
  width: 300px;
  padding-left: 6px;
}

.app-store {
  display: block;
  margin-top: 40px;
  background: transparent url('../img/btn-app-store.png') left top no-repeat;
  background-size: 165px 56px;
  width: 165px;
  height: 56px;
}

.iphone-preview {
  position: absolute;
  right: -40px;
  bottom: 0;
  background: transparent url('../img/iphone-preview.png') left top no-repeat;
  background-size: 293px 332px;
  width: 293px;
  height: 332px;
}

/******************************
 * Footer
 ******************************/
.footer {
  background: #f7f7f7;
  font-size: 18px;
  padding-top: 32px;
  padding-bottom: 32px;
  overflow: hidden;
}

.copyright {
  color: #949ead;
  float: left;
  margin: 0;
}

.copyright img {
  width: 24px;
  height: 22px;
  transform: translateY(4px);
  margin: 0 4px;
}

.footer nav {
  margin-top: 4px;
  float: right;
}

.footer nav a {
  float: left;
  color: #646d7a;
  font-weight: 500;
  text-transform: uppercase;
  border-right: 1px solid #c5cad1;
  margin-right: 28px;
  padding-right: 28px;
}

.footer nav a:last-of-type {
  border-right: none;
  margin-right: 0;
  padding-right: 0;
}

.footer nav .twitter {
  transform: translateY(1px);
  display: block;
  background: transparent url('../img/icon-twitter.png') left top no-repeat;
  background-size: 22px 18px;
  width: 22px;
  height: 18px;
}

/******************************
 * Buy Now
 ******************************/
.buy-now h2 {
  font-weight: 600;
  font-size: 32px;
  text-align: center;
}

.buy-now .upgrade-hint {
  text-align: center;
}

.buy-now .upgrade-hint a {
  color: #7f8089;
}

.package-list a {
  color: #2f3037;
  display: inline-block;
  padding: 0 0 20px;
  width: 28%;
  margin-right: 7%;
  text-align: center;
  border: 1px solid #e5e5e5;
  border-radius: 10px;
  overflow: hidden;
}

.package-list a:hover {
  opacity: 1;
  border-color: #ccc;
  box-shadow: 0px 0px 13px 0px rgba(0,0,0,0.08);
}

.package-list {
  margin-top: 60px;
}

.more-packages {
  text-align: center;
  margin: 40px 0 0;
}

.more-packages a {
  color: #7f8089;
}

.package-item h3 {
  margin: 0 0 20px;
  line-height: 60px;
}

.package-item--single h3 {
  background: #f1fdfb;
}

.package-item--family h3 {
  background: #e8f5ff;
}

.package-item--mega h3 {
  background: #fffce8;
}

.package-item:last-child {
  margin-right: 0;
}

.package-item .price {
  font-size: 36px;
  color: #00b0fd;
  margin: 20px 0 10px;
}

.package-item .number {
  line-height: 30px;
}

.package-item .memo {
  color: #7f8089;
}

.upgrade-window {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
}

.upgrade-button {
  cursor: pointer;
  border-radius: 6px;
  display: inline-block;
  color: #fff;
  font-weight: 600;
  padding-left: 32px;
  padding-right: 32px;
  background: #34a86a;
  box-shadow: 0px 2px 8px 0px rgba(7,113,57,0.2);
  border: 0;
  transition: all 0.2s;
  font-size: 18px;
  height: 46px;
  line-height: 42px;
}

.upgrade-options {
  display: none;
}

.upgrade-options h2 {
  text-align: center;
  font-weight: 600;
  margin-bottom: 40px;
}

.upgrade-options .title {
  font-size: 20px;
  color: #2f3037;
  font-weight: 500;
}

.upgrade-options .price {
  font-size: 20px;
  color: #00b0fd;
  margin-left: 20px;
}

.upgrade-options .desc {
  color: #7f8089;
  margin: -8px auto 30px;
}

/******************************
 * Documentation
 ******************************/
.content-table {
  float: left;
  border: 1px solid #eee;
  width: 260px;
  overflow: hidden;
  margin-right: 40px;
  position: -webkit-sticky;
  position: -moz-sticky;
  position: -ms-sticky;
  position: -o-sticky;
  top: 15px;
}

.content-table a {
  display: block;
  color: #2f3037;
  padding: 10px 20px;
}

.content-table a.is-active {
  background: #eee;
}

.content-body {
  overflow: hidden;
}

.content-body > :first-child {
  margin-top: 0;
}


/******************************
 * Modal
 ******************************/
.l-modal-container {
  margin: 150px auto 0;
  width: 100%;
  max-width: 980px;
  border: 1px solid #e5e5e5;
  background: #fff;
  padding: 40px;
  border-radius: 4px;
}


.modal .mac-icon {
  margin-top: -100px;
  background: transparent url('../img/surge-mac-icon--border.png') center center no-repeat;
  background-size: 129px 129px;
  width: 129px;
  height: 129px;
  margin: -104px auto 50px;
}

.modal h1 {
  margin-top: -20px;
  font-weight: 500;
  font-size: 24px;
  text-align: center;
}


.modal form {
  padding-top: 50px;
  padding-bottom: 50px;
  font-size: 18px;
}

.modal label {
  display: block;
  margin-bottom: 10px;
}

.modal input {
  padding: 8px 12px;
  margin-bottom: 20px;
  margin-top: 3px;
  width: 100%;
}

.modal .modal-wrap {
  position: relative;
  width: 61%;
  margin: 50px auto 0;
  border-top: 1px dashed #efefef;
  border-bottom: 1px dashed #efefef;
}

.modal label span {
  -webkit-user-select: none;
  user-select: none;
  color: #01b1fd;
  cursor: pointer;
  margin-left: 20px;
  font-size: 16px;
}
.modal .description {
  margin: 60px auto 20px;
  width: 61%;
  font-size: 14px;
  line-height: 1.5;
  color: #7f8089;
}

/******************************
 * Responsive
 ******************************/

@media only screen and (max-width: 1320px) {
  .introduction .content {
    width: 40%;
    margin-left: 68px;
  }
  .introduction img {
    width: 40%;
    height: auto;
    margin-right: 0;
  }
  .last-thing .content {
    width: 100%;
  }
  .ios-promotion {
    position: relative;
    width: 100%;
    border-radius: 10px;
    margin-bottom: 40px;
  }
  .iphone-preview {
    right: 20px;
  }
  .promotion-content {
    width: 100%;
    padding-right: 380px;
  }
}

@media only screen and (max-width: 1100px) {
  body {
  }
  .logo {
    display: block;
    margin: 0 auto 50px;
  }
  .navigation nav {
    float: none;
    text-align: center;
  }
  header .download-button {
    display: block;
    margin: 40px auto 0;
    width: 220px;
  }
  .preview {
    margin-top: 80px;
  }
  .preview img {
    width: 96%;
    height: auto;
  }
  .introduction img {
    float: right;
    margin-left: 20px;
    margin-bottom: 20px;
    position: static;
  }
  .introduction .content {
    width: 100%;
    margin: 0;
    padding: 0 68px 0;
  }
}

@media only screen and (max-width: 940px) {
  .introduction img {
    float: none;
    margin-left: 0;
    margin-bottom: 20px;
    width: 100%;
    height: auto;
  }
  .feature {
    width: 45%;
    margin-left: 5%;
  }

  .features li:nth-child(3n + 1) {
    margin-left: 5%;
    clear: none;
  }
  .features li:nth-child(2n + 1) {
    margin-left: 0;
    clear: left;
  }

  .remark {
    width: 45%;
    margin-left: 5%;
  }

  .remarks li:nth-child(3n + 1) {
    margin-left: 5%;
    clear: none;
  }
  .remarks li:nth-child(2n + 1) {
    margin-left: 0;
    clear: left;
  }
}

@media only screen and (max-width: 780px) {
  .navigation nav a {
    display: block;
    margin: 0 0 10px;
  }

  .navigation nav .download-button {
    margin: 20px auto 0;
  }
  .introduction {
    margin-top: 40px;
  }
  .introduction h2 {
    font-size: 24px;
    text-align: center;
  }
  .slogan {
    padding: 0 20px;
    font-size: 28px;
  }
  .preview {
    margin-top: 20px;
  }
  .introduction .content {
    width: 100%;
    margin: 0;
    padding: 0 20px 0;
  }
  .features {
    padding: 20px;
    margin-bottom: 20px;
  }
  .feature {
    width: 100%;
    background-position: center top;
    padding-top: 50px;
    padding-left: 0;
    float: none;
    margin: 0 0 40px;
  }
  .feature h3 {
    text-align: center;
    font-size: 20px;;
  }

  .features li:nth-child(3n + 1) {
    margin-left: 0;
    clear: none;
  }
  .features li:nth-child(2n + 1) {
    margin-left: 0;
    clear: none;
  }

  .mac-icon {
    margin-top: -82px;
  }

  .remarks {
    padding: 20px;
    margin-bottom: 20px;
  }
  .remark {
    width: 100%;
    padding-left: 0;
    float: none;
    margin: 0 0 40px;
  }
  .remark img {
    position: static;
    display: block;
    margin: 0 auto 10px;
  }
  .remark h3 {
    text-align: center;
    font-size: 20px;;
  }

  .remarks li:nth-child(3n + 1) {
    margin-left: 0;
    clear: none;
  }
  .remarks li:nth-child(2n + 1) {
    margin-left: 0;
    clear: none;
  }
  .saying {
    padding: 20px;
  }
  .saying h2 {
    font-size: 24px;
    margin-bottom: 40px;
  }
  .saying .title,
  .saying .content {
    text-align: center;
  }
  .tweet {
    padding: 30px 20px;
    font-size: 18px;
    line-height: 1.5;
  }
  .last-thing {
    padding: 20px;
  }
  .last-thing h2 {
    font-size: 28px;
    text-align: center;
  }
  .ios-promotion {
    margin-top: 60px;
    top: 0;
    padding: 20px;
    min-height: 0;
  }
  .ios-promotion h3 {
    margin: 0;
    text-align: center;
    background-position: center top;
    padding-left: 0;
    padding-top: 60px;
  }
  .app-store {
    margin: 30px auto 10px;
  }
  .iphone-preview {
    display: none;
  }
  .promotion-content {
    padding-right: 0;
  }
  .footer {
    padding: 20px;
  }
  .footer nav {
    margin: 0;
    float: none;
    font-size: 14px;
    text-align: center;
  }
  .footer nav a,
  .footer nav .twitter {
    float: none;
    display: inline-block;
  }
  .copyright {
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 20px;
    text-align: center;
    float: none;
  }
  .modal .modal-wrap {
    width: 96%;
  }
  .l-modal-container {
    margin-top: 120px;
  }
  .modal .description {
    width: 96% !important;
  }

  .package-list a {
    display: block;
    width: 100%;
    margin-right: 0;
    margin-bottom: 20px;
  }
  .buy-now {
    padding: 30px;
  }
  .buy-now h2 {
    font-size: 28px;
  }
  .content-table {
    position: static;
    float: none;
    width: 100%;
    overflow: hidden;
    margin-right: 0;
    margin-bottom: 40px;
  }
}

/******************************
 * Payment
 ******************************/
.email-form {
  margin-bottom: 60px;
}

.email-form h3 {
  width: 450px;
  margin: 20px auto 10px;
  font-weight: normal;
  font-size: 18px;
}

.email-form input[type=text],
.email-form input[type=email]{
  display: block;
  margin: 10px auto;
  border-radius: 2px;
  border: 1px solid #ccc;
  width: 450px;
  font-size: 18px;
  padding: 4px 10px;
}

.fastspring {
  background: #f8f8f8 url('/img/fastspring.png') center center no-repeat;
  background-size: 143px 35px;
  width: 200px;
  height: 80px;
  float: left;
  cursor: pointer;
}

.alipay {
  background: #00aaef url('/img/alipay.jpg') center center no-repeat;
  background-size: 71px 61px;
  width: 200px;
  height: 80px;
  float: right;
  cursor: pointer;
}

.payment-methods {
  margin: 0 auto;
  width: 450px;
  overflow: hidden;
}

.payment-methods div:hover {
  opacity: 0.9;
}

.input-name {
  position: relative;
  margin: 0 auto;
  width: 450px;
  height: 100px;
}

.first-name {
  position: absolute;
  top: 0;
  left: 0;
  width: 200px;
}

.last-name {
  position: absolute;
  top: 0;
  right: 0;
  width: 200px;
}

.email-form .input-name input[type=text] {
  width: 200px;
  float: none;
}

.email-hint {
  font-size: 12px;
  color: #aaa;
  margin: 0 auto 20px;
  width: 450px;
}

.email-form label {
  display: block;
  margin: 10px auto;
  width: 450px;
}

.email-form label input {
  margin-right: 5px;
}

.continue-button {
  display: block;
  margin: 40px auto;
  cursor: pointer;
  border-radius: 6px;
  height: 46px;
  line-height: 46px;
  color: #fff;
  width: 160px;
  text-align: center;
  font-weight: normal;
  font-size: 18px;
  background: #34a86a;
  box-shadow: 0px 2px 8px 0px rgba(7,113,57,0.2);
  transition: all 0.2s;
  border: 0;
  padding: 0;
}

.continue-button:hover {
  box-shadow: 0px 2px 8px 0px rgba(7,113,57,0.4);
  opacity: 1;
}

.continue-button:active {
  background-color: #439f6e;
  transform: translateY(2px);
}

.continue-button:disabled {
  opacity: 0.9;
  text-indent: -1000px;
  overflow: hidden;
  background: #34a86a url('../img/loading.gif') center center no-repeat;
  background-size: 20px 20px;
}

.purchase-successful {
}

.purchase-successful .success {
  background: transparent url('../img/ok.png') left top no-repeat;
  background-size: 160px 160px;
  margin: 0 auto 20px;
  width: 750px;
  padding-left: 200px;
  min-height: 300px;
}

.purchase-successful .hint {
  font-size: 12px;
  color: #aaa;
}